Calculus Volume 3
16th Edition
ISBN: 9781938168079
Author: Gilbert Strang, Edwin Jed Herman
Publisher: OpenStax
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 1.5, Problem 256E
For the following exercises, determine the equation of the parabola using the information given.
256. Focus
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
i need help please
Question 4 Find an equation of
(a) The plane through the point (2, 0, 1) and perpendicular to the line x =
y=2t, z=3+4t.
3t,
(b) The plane through the point (3, −2, 8) and parallel to the plane z = x+y.
(c) The plane that contains the line x =
parallel to the plane 5x + 2y + z = 1.
1+t, y2t, z = 43t and is
(d) The plane that passes through the point (1,2,3) and contains the line
x = 3t, y=1+t, and z = 2 – t.
(e) The plane that contains the lines L₁ : x = 1 + t, y = 1 − t, z =
=
L2 x 2s, y = s, z = 2.
2t and
2
5x
+
2–49
2
x+10x+21
Chapter 1 Solutions
Calculus Volume 3
Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Earlier in this section, we looked at the...
Ch. 1.1 - Earlier in this section, we looked at the...Ch. 1.1 - Earlier in this section, we looked at the...Ch. 1.1 - Earlier in this section, we looked at the...Ch. 1.1 - Earlier in this section, we looked at the...Ch. 1.1 - For the following exercises, sketch the curves...Ch. 1.1 - For the following exercises, sketch the curves...Ch. 1.1 - For the following exercises, sketch the curves...Ch. 1.1 - For the following exercises, sketch the curves...Ch. 1.1 - For the following exercises, eliminate the...Ch. 1.1 - For the following exercises, use technology (CAS...Ch. 1.1 - For the following exercises, use technology (CAS...Ch. 1.1 - For the following exercises, use technology (CAS...Ch. 1.1 - For the following exercises, use technology (CAS...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - Show that x=h+rcos , y=k+rsin represents the...Ch. 1.1 - Use the equations in the preceding problem to find...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.2 - For the following exercises, each set of...Ch. 1.2 - For the following exercises, each set of...Ch. 1.2 - For the following exercises, each set of...Ch. 1.2 - For the following exercises, each set of...Ch. 1.2 - For the following exercises, determine the slope...Ch. 1.2 - For the following exercises, determine the slope...Ch. 1.2 - For the following exercises, determine the slope...Ch. 1.2 - For the following exercises, determine the slope...Ch. 1.2 - For the following exercises, determine the slope...Ch. 1.2 - For the following exercises, find all points on...Ch. 1.2 - For the following exercises, find all points on...Ch. 1.2 - For the following exercises, find all points on...Ch. 1.2 - For the following exercises, find all points on...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises. find d2y/dx2 . 88....Ch. 1.2 - For the following exercises. find d2y/dx2 . 89....Ch. 1.2 - For the following exercises. find d2y/dx2 . 90....Ch. 1.2 - For the following exercises, find points on the...Ch. 1.2 - For the following exercises, find points on the...Ch. 1.2 - For the following exercises, find dy/dx at the...Ch. 1.2 - For the following exercises, find dy/dx at the...Ch. 1.2 - For the following exercises, find dy/dx at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - For the following exercises, consider the polar...Ch. 1.3 - For the following exercises, consider the polar...Ch. 1.3 - For the following exercises, consider the polar...Ch. 1.3 - For the following exercises, consider the polar...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following exercises, determine whether the...Ch. 1.3 - For the following exercises, determine whether the...Ch. 1.3 - For the following exercises, determine whether the...Ch. 1.3 - For the following exercises, determine whether the...Ch. 1.3 - For the following exercises, determine whether the...Ch. 1.3 - For the following exercises, describe the graph of...Ch. 1.3 - For the following exercises, describe the graph of...Ch. 1.3 - For the following exercises, describe the graph of...Ch. 1.3 - For the following exercises, describe the graph of...Ch. 1.3 - For the following exercises, convert the...Ch. 1.3 - For the following exercises, convert the...Ch. 1.3 - For the following exercises, convert the...Ch. 1.3 - For the following exercises, convert the...Ch. 1.3 - For the following exercises, convert the...Ch. 1.3 - For the following exercises, convert the polar...Ch. 1.3 - For the following exercises, convert the polar...Ch. 1.3 - For the following exercises, convert the polar...Ch. 1.3 - For the following exercises, convert the polar...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - [T] The graph of r=2cos(2)sec() . is called a...Ch. 1.3 - [T] Use a graphing utility and sketch the graph of...Ch. 1.3 - [T] Use a graphing utility to graph r=11cos.Ch. 1.3 - [T] Use technology to graph r=esin()2cos(4) .Ch. 1.3 - [T] Use technology to plot r=sin(37) (use the...Ch. 1.3 - Without using technology, sketch the polar curve...Ch. 1.3 - [T] Use a graphing utility to plot r=sin forCh. 1.3 - [T] Use technology to plot r=e0.1 for 1010 .Ch. 1.3 - [T] There is a curve known as the “Black Hole”....Ch. 1.3 - [T] Use the results of the preceding two problems...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find a definite...Ch. 1.4 - For the following exercises, find a definite...Ch. 1.4 - For the following exercises, find a definite...Ch. 1.4 - For the following exercises, find a definite...Ch. 1.4 - For the following exercises, find the length of...Ch. 1.4 - For the following exercises, find the length of...Ch. 1.4 - For the following exercises, find the length of...Ch. 1.4 - For the following exercises, find the length of...Ch. 1.4 - For the following exercises, find the length of...Ch. 1.4 - For the following exercises, use the integration...Ch. 1.4 - For the following exercises, use the integration...Ch. 1.4 - For the following exercises, use the integration...Ch. 1.4 - For the following exercises, use the integration...Ch. 1.4 - For the following exercises, use the integration...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - Find the points on the interval at which the...Ch. 1.4 - For the cardioid r=1+sin , find the slope of the...Ch. 1.4 - For the following exercises, find the slope of the...Ch. 1.4 - For the following exercises, find the slope of the...Ch. 1.4 - For the following exercises, find the slope of the...Ch. 1.4 - For the following exercises, find the slope of the...Ch. 1.4 - For the following Exercises, find the points at...Ch. 1.4 - For the following Exercises, find the points at...Ch. 1.4 - For the following Exercises, find the points at...Ch. 1.4 - For the following Exercises, find the points at...Ch. 1.4 - For the following Exercises, find the points at...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, find a polar equation...Ch. 1.5 - For the following exercises, find a polar equation...Ch. 1.5 - For the following exercises, find a polar equation...Ch. 1.5 - For the following exercises, find a polar equation...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - The mirror in an automobile headlight has a...Ch. 1.5 - A satellite dish is shaped like a paraboloid of...Ch. 1.5 - Consider the satellite dish of the preceding...Ch. 1.5 - A searchlight is shaped like a paraboloid of...Ch. 1.5 - Whispering galleries are rooms designed with...Ch. 1.5 - A person is standing 8feet from the nearest wall...Ch. 1.5 - For the following exercises, determine the polar...Ch. 1.5 - For the following exercises, determine the polar...Ch. 1.5 - For the following exercises, determine the polar...Ch. 1.5 - For the following exercises, determine the polar...Ch. 1 - True or False? Justify your answer with a proof or...Ch. 1 - True or False? Justify your answer with a proof or...Ch. 1 - True or False? Justify your answer with a proof or...Ch. 1 - True or False? Justify your answer with a proof or...Ch. 1 - For the following exercises, sketch the parametric...Ch. 1 - For the following exercises, sketch the parametric...Ch. 1 - For the following exercises, sketch the parametric...Ch. 1 - For the following exercises, sketch the parametric...Ch. 1 - For the following exercises, sketch the polar...Ch. 1 - For the following exercises, sketch the polar...Ch. 1 - For the following exercises, find the polar...Ch. 1 - For the following exercises, find the polar...Ch. 1 - For the following exercises, find the equation of...Ch. 1 - For the following exercises, find the equation of...Ch. 1 - For the following exercises, find the equation of...Ch. 1 - For the following exercises, find the area of the...Ch. 1 - For the following exercises, find the area of the...Ch. 1 - For the following exercises, find the arc length...Ch. 1 - For the following exercises, find the arc length...Ch. 1 - For the following exercises, find the Cartesian...Ch. 1 - For the following exercises, find the Cartesian...Ch. 1 - For the following exercises, find the Cartesian...Ch. 1 - For the following exercises, determine the...Ch. 1 - For the following exercises, determine the...Ch. 1 - For the following exercises, determine the...Ch. 1 - Determine the Cartesian equation describing the...Ch. 1 - The C/1980E1 comet was observed in 1980 . Given an...
Additional Math Textbook Solutions
Find more solutions based on key concepts
29-36. Total and Annual Returns. Compute the total and annual returns on the following investments.
29. Five ye...
Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)
Using Normal Approximation. In Exercises 5–8, do the following: If the requirements of np ? 5 and nq ? 5 are bo...
Elementary Statistics (13th Edition)
Limits with trigonometric functions Find the limits in Exercises 43–50.
49.
University Calculus: Early Transcendentals (4th Edition)
A box contains 3 marbles: 1 red, 1 green, and 1 blue. Consider an experiment that consists of taking 1 marble f...
A First Course in Probability (10th Edition)
Identify f as being linear, quadratic, or neither. If f is quadratic, identify the leading coefficient a and ...
College Algebra with Modeling & Visualization (5th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, subject and related others by exploring similar questions and additional content below.Similar questions
- A student completed the problem below. Identify whether the student was correct or incorrect. Explain your reasoning. (identification 1 point; explanation 1 point) 4x 3x (x+7)(x+5)(x+7)(x-3) 4x (x-3) (x+7)(x+5) (x03) 3x (x+5) (x+7) (x-3)(x+5) 4x²-12x-3x²-15x (x+7) (x+5) (x-3) 2 × - 27x (x+7)(x+5) (x-3)arrow_forwardFor this question, refer to the a1q4.py Python code that follows the assignment, as well as the dataprovided after the assignment.(a) Modify the code presented to plot the data from the two separate sets of information(from each region).(b) For each population of squirbos, let ` be the length of their front claws and s the mass ofthe skull. Determine for what value of m the s is isometric to `m. Justify it with your log − log plotsfrom (a) and suitable sketched lines.(c) What do you notice about the correlus striatus on your plot?(d) What historically might explain their situation?arrow_forwardPlease see image for question.arrow_forward
- Question 2 Find the shortest distance between the lines [x, y, z] = [1,0,4] + t[1, 3, −1] and [x, y, z] = [0,2,0] + s[2, 1, 1]. [Do not use derivatives.]arrow_forwardPlease see image for the questions.arrow_forward2 Add the rational expressions below. Can you add them in this original form? Explain why or why not. 3x-7 5x + x² - 7x+12 4x-12 Show all steps. State your least common denominator and explain in words your process on how you determined your least common denominator. Be sure to state your claim, provide your evidence, and provide your reasoning before submitting.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College AlgebraAlgebraISBN:9781305115545Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage Learning
College Algebra
Algebra
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
Finding The Focus and Directrix of a Parabola - Conic Sections; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=KYgmOTLbuqE;License: Standard YouTube License, CC-BY