
EBK DIFFERENTIAL EQUATIONS AND LINEAR A
4th Edition
ISBN: 8220102019799
Author: ANNIN
Publisher: YUZU
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 10.9, Problem 9P
Problems
Prove that
Expert Solution & Answer

Learn your wayIncludes step-by-step video

schedule02:40
Students have asked these similar questions
Safari
File Edit View History
Bookmarks
Window
Help
Ο Ω
OV
O mA
0 mW
ర
Fri Apr 4 1
222
tv
A
F9
F10
DII
4
F6
F7
F8
7
29
8
00
W
E
R
T
Y
U
S
D
பட
9
O
G
H
J
K
E
F11
+ 11
F12
O
P
}
[
So confused. Step by step instructions please
In simplest terms, Sketch the graph of the parabola. Then, determine its equation.
opens downward, vertex is (- 4, 7), passes through point (0, - 39)
Chapter 10 Solutions
EBK DIFFERENTIAL EQUATIONS AND LINEAR A
Ch. 10.1 - For Questions a-i, decide if the given statement...Ch. 10.1 - For Questions a-i, decide if the given statement...Ch. 10.1 - For Questions a-i, decide if the given statement...Ch. 10.1 - For Questions a-i, decide if the given statement...Ch. 10.1 - For Questions a-i, decide if the given statement...Ch. 10.1 - For Questions a-i, decide if the given statement...Ch. 10.1 - Prob. 7TFRCh. 10.1 - For Questions a-i, decide if the given statement...Ch. 10.1 - For Questions a-i, decide if the given statement...Ch. 10.1 - Problems For Problems 1-12, use 10.1.1 to...
Ch. 10.1 - Problems For Problems 1-12, use 10.1.1 to...Ch. 10.1 - Problems For Problems 1-12, use 10.1.1 to...Ch. 10.1 - Problems For Problems 1-12, use 10.1.1 to...Ch. 10.1 - Problems For Problems 1-12, use 10.1.1 to...Ch. 10.1 - Prob. 6PCh. 10.1 - Problems For Problems 1-12, use 10.1.1 to...Ch. 10.1 - Prob. 8PCh. 10.1 - Problems For Problems 1-12, use 10.1.1 to...Ch. 10.1 - Prob. 10PCh. 10.1 - Problems For Problems 1-12, use 10.1.1 to...Ch. 10.1 - Prob. 12PCh. 10.1 - Problems For Problems 13-22, use the linearity of...Ch. 10.1 - Prob. 14PCh. 10.1 - Problems For Problems 13-22, use the linearity of...Ch. 10.1 - PROBLEMNS For Problems 13-22, use the linearity of...Ch. 10.1 - Prob. 17PCh. 10.1 - PROBLEMNS For Problems 13-22, use the linearity of...Ch. 10.1 - PROBLEMNS For Problems 13-22, use the linearity of...Ch. 10.1 - PROBLEMNS For Problems 13-22, use the linearity of...Ch. 10.1 - PROBLEMNS For Problems 13-22, use the linearity of...Ch. 10.1 - PROBLEMNS For Problems 13-22, use the linearity of...Ch. 10.1 - PROBLEMNS For Problems 23-30, sketch the given...Ch. 10.1 - Prob. 24PCh. 10.1 - PROBLEMNS For Problems 23-30, sketch the given...Ch. 10.1 - Prob. 26PCh. 10.1 - For Problems 23-30, sketch the given function and...Ch. 10.1 - For Problems 23-30, sketch the given function and...Ch. 10.1 - For Problems 23-30, sketch the given function and...Ch. 10.1 - For Problems 23-30, sketch the given function and...Ch. 10.1 - For Problems 31-34, sketch the given function and...Ch. 10.1 - For Problems 31-34, sketch the given function and...Ch. 10.1 - For Problems 31-34, sketch the given function and...Ch. 10.1 - Prob. 34PCh. 10.1 - Prob. 35PCh. 10.1 - Prob. 36PCh. 10.1 - Use mathematical induction to prove that for every...Ch. 10.1 - Prob. 38PCh. 10.2 - True-False Review For Questions (a)-(f) decide if...Ch. 10.2 - True-False Review For Questions (a)-(f) decide if...Ch. 10.2 - Prob. 3TFRCh. 10.2 - Prob. 4TFRCh. 10.2 - Prob. 5TFRCh. 10.2 - Prob. 6TFRCh. 10.2 - Prob. 1PCh. 10.2 - Prob. 2PCh. 10.2 - Prob. 3PCh. 10.2 - Prob. 4PCh. 10.2 - For Problem 1-5, show that the given function is...Ch. 10.2 - Prob. 6PCh. 10.2 - Prob. 7PCh. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - Prob. 14PCh. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - Prob. 16PCh. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - For Problem 7-21, determine the inverse Laplace...Ch. 10.2 - Problems For Problem 7-21, determine the inverse...Ch. 10.2 - Prob. 22PCh. 10.3 - For Questions (a)-(h) decide if the given...Ch. 10.3 - Prob. 2TFRCh. 10.3 - Prob. 3TFRCh. 10.3 - Prob. 4TFRCh. 10.3 - Prob. 5TFRCh. 10.3 - Prob. 6TFRCh. 10.3 - True-False Review For Questions (a)-(h) decide if...Ch. 10.3 - Problems For Problems 1-9, determine the Laplace...Ch. 10.3 - Prob. 2PCh. 10.3 - Problems For Problem 1-9, determine the Laplace...Ch. 10.3 - Prob. 4PCh. 10.3 - Problems For Problem 1-9, determine the Laplace...Ch. 10.3 - Prob. 6PCh. 10.3 - Problems For Problem 1-9, determine the Laplace...Ch. 10.3 - Prob. 8PCh. 10.3 - Problems For Problem 1-9, determine the Laplace...Ch. 10.3 - Prob. 10PCh. 10.3 - Prob. 11PCh. 10.4 - For Questions a-d, decide if the given statement...Ch. 10.4 - Prob. 2TFRCh. 10.4 - Prob. 3TFRCh. 10.4 - Prob. 4TFRCh. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problems 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Prob. 6PCh. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problems 1-27, use the Laplace...Ch. 10.4 - Prob. 14PCh. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Prob. 19PCh. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Prob. 21PCh. 10.4 - Prob. 22PCh. 10.4 - Prob. 23PCh. 10.4 - Prob. 24PCh. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Prob. 26PCh. 10.4 - Problems For problem 1-27, use the Laplace...Ch. 10.4 - Prob. 28PCh. 10.4 - Prob. 29PCh. 10.4 - Prob. 30PCh. 10.4 - Prob. 31PCh. 10.4 - Prob. 32PCh. 10.4 - Prob. 34PCh. 10.5 - True-False Review For Questions (a)(h), decide if...Ch. 10.5 - Prob. 2TFRCh. 10.5 - True-False Review For Questions (a)(h), decide if...Ch. 10.5 - Prob. 4TFRCh. 10.5 - Prob. 5TFRCh. 10.5 - Prob. 6TFRCh. 10.5 - Prob. 7TFRCh. 10.5 - Prob. 8TFRCh. 10.5 - For Problems 1-11, determine f(ta) for the given...Ch. 10.5 - Prob. 2PCh. 10.5 - Prob. 3PCh. 10.5 - Prob. 4PCh. 10.5 - For Problems 1-11, determine f(ta) for the given...Ch. 10.5 - Prob. 6PCh. 10.5 - Prob. 7PCh. 10.5 - Prob. 8PCh. 10.5 - Prob. 9PCh. 10.5 - Prob. 10PCh. 10.5 - Prob. 11PCh. 10.5 - Prob. 12PCh. 10.5 - For Problems 12-17, determine f(t). f(t1)=(t2)2.Ch. 10.5 - Prob. 14PCh. 10.5 - For Problems 12-17, determine f(t)....Ch. 10.5 - Prob. 16PCh. 10.5 - Prob. 17PCh. 10.5 - For Problems 18-27, determine the Laplace...Ch. 10.5 - For Problems 18-27, determine the Laplace...Ch. 10.5 - For Problems 18-27, determine the Laplace...Ch. 10.5 - For Problems 18-27, determine the Laplace...Ch. 10.5 - For Problems 18-27, determine the Laplace...Ch. 10.5 - Prob. 23PCh. 10.5 - For Problems 18-27, determine the Laplace...Ch. 10.5 - For Problems 18-27, determine the Laplace...Ch. 10.5 - Prob. 26PCh. 10.5 - For Problems 18-27, determine the Laplace...Ch. 10.5 - Prob. 28PCh. 10.5 - For Problems 28-42, determine L1[F]. F(s)=4(s+2)3.Ch. 10.5 - Prob. 30PCh. 10.5 - For Problems 28-42, determine L1[F]....Ch. 10.5 - Prob. 32PCh. 10.5 - For Problems 28-42, determine L1[F]....Ch. 10.5 - Prob. 34PCh. 10.5 - Prob. 35PCh. 10.5 - Prob. 36PCh. 10.5 - For Problems 28-42, determine L1[F]....Ch. 10.5 - Prob. 38PCh. 10.5 - For Problems 28-42, determine L1[F]....Ch. 10.5 - Prob. 40PCh. 10.5 - For Problems 28-42, determine L1[F]....Ch. 10.5 - Prob. 42PCh. 10.5 - For Problems 43-53, solve the given initial-value...Ch. 10.5 - Prob. 44PCh. 10.5 - For Problems 43-53, solve the given initial-value...Ch. 10.5 - Prob. 46PCh. 10.5 - For Problems 43-53, solve the given initial-value...Ch. 10.5 - For Problems 43-53, solve the given initial-value...Ch. 10.5 - For Problems 43-53, solve the given initial-value...Ch. 10.5 - Prob. 50PCh. 10.5 - Prob. 51PCh. 10.5 - For Problems 43-53, solve the given initial-value...Ch. 10.5 - For Problems 43-53, solve the given initial-value...Ch. 10.5 - Prob. 54PCh. 10.5 - Prob. 55PCh. 10.6 - For Questions a-d, decide if the given statement...Ch. 10.6 - For Questions a-d, decide if the given statement...Ch. 10.6 - Prob. 3TFRCh. 10.6 - Prob. 4TFRCh. 10.6 - Problems: For Problems 1-7, make a sketch of the...Ch. 10.6 - Problems: For Problems 1-7, make a sketch of the...Ch. 10.6 - Problems: For Problems 1-7, make a sketch of the...Ch. 10.6 - Problems: For Problems 1-7, make a sketch of the...Ch. 10.6 - Problems: For Problems 1-7, make a sketch of the...Ch. 10.6 - Prob. 6PCh. 10.6 - Prob. 7PCh. 10.6 - Problems: For Problems 8-15, make a sketch of the...Ch. 10.6 - Problems: For Problems 8-15, make a sketch of the...Ch. 10.6 - Problems: For Problems 8-15, make a sketch of the...Ch. 10.6 - Problems: For Problems 8-15, make a sketch of the...Ch. 10.6 - Problems: For Problems 8-15, make a sketch of the...Ch. 10.6 - Problems: For Problems 8-15, make a sketch of the...Ch. 10.6 - Problems: For Problems 8-15, make a sketch of the...Ch. 10.6 - Prob. 15PCh. 10.7 - True-False Review For Questions (a)(g), decide if...Ch. 10.7 - Prob. 2TFRCh. 10.7 - Prob. 3TFRCh. 10.7 - Prob. 4TFRCh. 10.7 - Prob. 5TFRCh. 10.7 - Prob. 7TFRCh. 10.7 - Problems
For Problems 1-11, determine the...Ch. 10.7 - Problems
For Problems 1-11, determine the...Ch. 10.7 - Problems
For Problems 1-11, determine the...Ch. 10.7 - Problems
For Problems 1-11, determine the...Ch. 10.7 - Problems
For Problems 1-11, determine the...Ch. 10.7 - Problems
For Problems 1-11, determine the...Ch. 10.7 - Problems
For Problems 1-11, determine the...Ch. 10.7 - Problems
For Problems 1-11, determine the...Ch. 10.7 - Problems
For Problems 1-11, determine the...Ch. 10.7 - Prob. 10PCh. 10.7 - Problems
For Problems 1-11, determine the...Ch. 10.7 - Problems
For Problems 12-26, determine the...Ch. 10.7 - Problems
For Problems 12-26, determine the...Ch. 10.7 - Prob. 14PCh. 10.7 - Problems
For Problems 12-26, determine the...Ch. 10.7 - Prob. 16PCh. 10.7 - Problems
For Problems 12-26, determine the...Ch. 10.7 - Prob. 18PCh. 10.7 - Problems
For Problems 12-26, determine the...Ch. 10.7 - Prob. 20PCh. 10.7 - Problems
For Problems 12-26, determine the...Ch. 10.7 - Prob. 22PCh. 10.7 - Prob. 23PCh. 10.7 - Prob. 24PCh. 10.7 - Problems
For Problems 12-26, determine the...Ch. 10.7 - Prob. 26PCh. 10.7 - For Problems 27-41, solve the given initial-value...Ch. 10.7 - Prob. 28PCh. 10.7 - Prob. 29PCh. 10.7 - Prob. 30PCh. 10.7 - Prob. 31PCh. 10.7 - Problems For Problems 27-41, solve the given...Ch. 10.7 - For Problems 27-41, solve the given initial-value...Ch. 10.7 - For Problems 27-41, solve the given initial-value...Ch. 10.7 - For Problems 27-41, solve the given initial-value...Ch. 10.7 - Prob. 36PCh. 10.7 - Prob. 37PCh. 10.7 - Problems For Problems 27-41, solve the given...Ch. 10.7 - Prob. 39PCh. 10.7 - Problems For Problems 27-41, solve the given...Ch. 10.7 - Prob. 41PCh. 10.7 - Problems For Problems 42-45, solve the given...Ch. 10.7 - For Problems 4245, solve the given initial value...Ch. 10.7 - Prob. 48PCh. 10.8 - For Questions a-d, decide if the given statement...Ch. 10.8 - For Questions a-d, decide if the given statement...Ch. 10.8 - Prob. 3TFRCh. 10.8 - Prob. 4TFRCh. 10.8 - Prob. 5TFRCh. 10.8 - For Problem 1-13, solve the given initial value...Ch. 10.8 - For Problem 1-13, solve the given initial value...Ch. 10.8 - For Problem 1-13, solve the given initial value...Ch. 10.8 - Prob. 4PCh. 10.8 - For Problem 1-13, solve the given initial value...Ch. 10.8 - Prob. 6PCh. 10.8 - For Problem 1-13, solve the given initial value...Ch. 10.8 - Prob. 8PCh. 10.8 - For Problem 1-13, solve the given initial value...Ch. 10.8 - Prob. 10PCh. 10.8 - Prob. 11PCh. 10.8 - Prob. 12PCh. 10.8 - For Problems 1-13, solve the given initial value...Ch. 10.8 - The motion of a spring-mass system is governed by...Ch. 10.8 - Prob. 15PCh. 10.8 - Prob. 16PCh. 10.9 - True-False Review For Questions (a)(g), decide if...Ch. 10.9 - Prob. 2TFRCh. 10.9 - True-False Review For Questions (a)(g), decide if...Ch. 10.9 - True-False Review For Questions (a)(g), decide if...Ch. 10.9 - Prob. 6TFRCh. 10.9 - Prob. 7TFRCh. 10.9 - Problems For Problems 1-6, determine fg. f(t)=t,...Ch. 10.9 - Problems For Problems 1-6, determine fg. f(t)=6t2,...Ch. 10.9 - Prob. 3PCh. 10.9 - Problems For Problems 1-6, determine fg. f(t)=et,...Ch. 10.9 - Problems For Problems 1-6, determine fg. f(t)=t2,...Ch. 10.9 - Problems For Problems 1-6, determine fg. f(t)=et,...Ch. 10.9 - Problems Prove that fg=gf.Ch. 10.9 - Problems Prove that f(gh)=(fg)h.Ch. 10.9 - Problems Prove that f(g+h)=(fg)+(fh).Ch. 10.9 - Problems For Problems 10-14, determine L(fg)....Ch. 10.9 - Problems For Problems 10-14, determine L(fg)....Ch. 10.9 - Problems For Problems 10-14, determine L(fg)....Ch. 10.9 - Problems For Problems 10-14, determine L(fg)....Ch. 10.9 - Prob. 14PCh. 10.9 - Problems For Problems 15-20, determine...Ch. 10.9 - Problems For Problems 15-20, determine...Ch. 10.9 - Prob. 17PCh. 10.9 - Prob. 18PCh. 10.9 - Prob. 19PCh. 10.9 - Prob. 21PCh. 10.9 - Problems For Problems 21-25, express L1[F(s)G(s)]...Ch. 10.9 - Problems For Problems 21-25, express L1[F(s)G(s)]...Ch. 10.9 - Prob. 24PCh. 10.9 - Problems For Problems 21-25, express L1[F(s)G(s)]...Ch. 10.9 - Prob. 26PCh. 10.9 - Problems Problems 26-32, solve the given...Ch. 10.9 - Problems Problems 26-32, solve the given...Ch. 10.9 - Problems Problems 26-32, solve the given...Ch. 10.9 - Problems Problems 26-32, solve the given...Ch. 10.9 - Prob. 31PCh. 10.9 - Prob. 32PCh. 10.9 - Prob. 33PCh. 10.9 - Prob. 34PCh. 10.9 - Prob. 35PCh. 10.9 - Prob. 36PCh. 10.9 - Prob. 37PCh. 10.9 - Prob. 38PCh. 10.9 - Prob. 39PCh. 10.10 - Prob. 1APCh. 10.10 - Prob. 2APCh. 10.10 - Prob. 3APCh. 10.10 - Prob. 4APCh. 10.10 - Prob. 5APCh. 10.10 - Prob. 7APCh. 10.10 - Prob. 8APCh. 10.10 - Prob. 9APCh. 10.10 - Prob. 10APCh. 10.10 - For Problems 11-19, use properties of the Laplace...Ch. 10.10 - Prob. 12APCh. 10.10 - Prob. 13APCh. 10.10 - Prob. 14APCh. 10.10 - For Problems 11-19, use properties of the Laplace...Ch. 10.10 - Prob. 16APCh. 10.10 - Prob. 17APCh. 10.10 - Prob. 18APCh. 10.10 - Prob. 19APCh. 10.10 - Prob. 20APCh. 10.10 - For Problems 20-25, determine a function f(t) that...Ch. 10.10 - For problems 20-25, determine a function f(t) that...Ch. 10.10 - For problems 20-25, determine a function f(t) that...Ch. 10.10 - For problems 20-25, determine a function f(t) that...Ch. 10.10 - For problems 20-25, determine a function f(t) that...Ch. 10.10 - Prob. 26APCh. 10.10 - For Problems 26-28, sketch f(t), express f(t) in...Ch. 10.10 - For Problems 26-28, sketch f(t), express f(t) in...Ch. 10.10 - Prob. 29APCh. 10.10 - Prob. 30APCh. 10.10 - Prob. 31APCh. 10.10 - Let y(t) be the solution to the initial-value...Ch. 10.10 - Show that the general solution to the...Ch. 10.10 - For Problems 34-40, use the Laplace transform to...Ch. 10.10 - For Problems 34-40, use the Laplace transform to...Ch. 10.10 - For Problems 34-40, use the Laplace transform to...Ch. 10.10 - For Problems 34-40, use the Laplace transform to...Ch. 10.10 - For Problems 34-40, use the Laplace transform to...Ch. 10.10 - Prob. 39APCh. 10.10 - For Problems 34-40, use the Laplace transform to...Ch. 10.10 - For Problems 41-44, use the Laplace transform to...Ch. 10.10 - For Problems 41-44, use the Laplace transform to...Ch. 10.10 - For Problems 41-44, use the Laplace transform to...Ch. 10.10 - For Problems 41-44, use the Laplace transform to...Ch. 10.10 - Prob. 45APCh. 10.10 - Prob. 46APCh. 10.10 - For Problems 45-48, use the Laplace transform to...Ch. 10.10 - Prob. 48AP
Additional Math Textbook Solutions
Find more solutions based on key concepts
1. How many solutions are there to ax + b = 0 with ?
College Algebra with Modeling & Visualization (5th Edition)
CHECK POINT I You deposit $1000 in a saving account at a bank that has a rate of 4%. a. Find the amount, A, of ...
Thinking Mathematically (6th Edition)
a. In how many ways can 3 boys and 3 girls sit in a row?
b. In how many ways can 3 boys and 3 girls sit in a r...
A First Course in Probability (10th Edition)
2. Source of Data In conducting a statistical study, why is it important to consider the source of the data?
Elementary Statistics
Curves in space Graph the curves described by the following functions, indicating the positive orientation. 31....
Calculus: Early Transcendentals (2nd Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.Similar questions
- In simplest way, For each quadratic relation, find the zeros and the maximum or minimum. a) y = x 2 + 16 x + 39 b) y = 5 x2 - 50 x - 120arrow_forwardIn simplest terms and step by step Write each quadratic relation in standard form, then fi nd the zeros. y = - 4( x + 6)2 + 36arrow_forwardIn simplest terms and step by step For each quadratic relation, find the zeros and the maximum or minimum. 1) y = - 2 x2 - 28 x + 64 2) y = 6 x2 + 36 x - 42arrow_forward
- Write each relation in standard form a)y = 5(x + 10)2 + 7 b)y = 9(x - 8)2 - 4arrow_forwardIn simplest form and step by step Write the quadratic relation in standard form, then fi nd the zeros. y = 3(x - 1)2 - 147arrow_forwardStep by step instructions The path of a soccer ball can be modelled by the relation h = - 0.1 d 2 + 0.5 d + 0.6, where h is the ball’s height and d is the horizontal distance from the kicker. a) Find the zeros of the relation.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage

Algebra: Structure And Method, Book 1
Algebra
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:McDougal Littell
Differential Equation | MIT 18.01SC Single Variable Calculus, Fall 2010; Author: MIT OpenCourseWare;https://www.youtube.com/watch?v=HaOHUfymsuk;License: Standard YouTube License, CC-BY