University Calculus: Early Transcendentals (3rd Edition)
3rd Edition
ISBN: 9780321999580
Author: Joel R. Hass, Maurice D. Weir, George B. Thomas Jr.
Publisher: PEARSON
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Chapter 11, Problem 31PE
To determine
Find the parametric equations for the line through the given point parallel to the
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(4) (8 points)
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(c) (2 points) Using your answers to part (b), write down a parametrization r: R² —
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Chapter 11 Solutions
University Calculus: Early Transcendentals (3rd Edition)
Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...
Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - In Exercises 1–16, give a geometric description of...Ch. 11.1 - Prob. 16ECh. 11.1 - In Exercises 17–24, describe the sets of points in...Ch. 11.1 - In Exercises 17–24, describe the sets of points in...Ch. 11.1 - In Exercises 17–24, describe the sets of points in...Ch. 11.1 - In Exercises 17–24, describe the sets of points in...Ch. 11.1 - In Exercises 17–24, describe the sets of points in...Ch. 11.1 - In Exercises 17–24, describe the sets of points in...Ch. 11.1 - In Exercises 17–24, describe the sets of points in...Ch. 11.1 - In Exercises 17–24, describe the sets of points in...Ch. 11.1 - In Exercises 35–14, describe the given set with a...Ch. 11.1 - In Exercises 35–44, describe the given set with a...Ch. 11.1 - In Exercises 35–44, describe the given set with a...Ch. 11.1 - In Exercises 35–44, describe the given set with a...Ch. 11.1 - In Exercises 35–44, describe the given set with a...Ch. 11.1 - In Exercises 35–44, describe the given set with a...Ch. 11.1 - In Exercises 35–14, describe the given set with a...Ch. 11.1 - The set of points in space equidistant from the...Ch. 11.1 - In Exercises 35–44, describe the given set with a...Ch. 11.1 - Prob. 34ECh. 11.1 - Write inequalities to describe the sets in...Ch. 11.1 - Write inequalities to describe the sets in...Ch. 11.1 - Write inequalities to describe the sets in...Ch. 11.1 - Write inequalities to describe the sets in...Ch. 11.1 - Write inequalities to describe the sets in...Ch. 11.1 - Write inequalities to describe the sets in...Ch. 11.1 - In Exercises 25–30, find the distance between...Ch. 11.1 - In Exercises 25–30, find the distance between...Ch. 11.1 - In Exercises 25–30, find the distance between...Ch. 11.1 - Prob. 44ECh. 11.1 - Prob. 45ECh. 11.1 - Prob. 46ECh. 11.1 - Find the center C and the radius a for the sphere...Ch. 11.1 - Find the center C and the radius a for the sphere...Ch. 11.1 - Find the center C and the radius a for the sphere...Ch. 11.1 - Find the center C and the radius a for the sphere...Ch. 11.1 - Find equations for the sphere whose centers and...Ch. 11.1 - Find equations for the sphere whose centers and...Ch. 11.1 - Prob. 53ECh. 11.1 - Prob. 54ECh. 11.1 - Prob. 55ECh. 11.1 - Prob. 56ECh. 11.1 - Prob. 57ECh. 11.1 - Prob. 58ECh. 11.1 - Find a formula for the distance from the point...Ch. 11.1 - Find a formula for the distance from the point...Ch. 11.1 - Find the perimeter of the triangle with vertices...Ch. 11.1 - Show that the point P(3, 1, 2) is equidistant from...Ch. 11.1 - Find an equation for the set of all points...Ch. 11.1 - Prob. 64ECh. 11.1 - Find the point on the sphere x2 + (y − 3)2 + (z +...Ch. 11.1 - Find the point equidistant from the points (0, 0,...Ch. 11.2 - In Exercises 1–8, let u = 〈3, −2〉 and v = 〈−2, 5〉....Ch. 11.2 - In Exercises 1–8, let u = 〈3, −2〉 and v = 〈−2, 5〉....Ch. 11.2 - In Exercises 1–8, let u = 〈3, −2〉 and v = 〈−2, 5〉....Ch. 11.2 - Prob. 4ECh. 11.2 - In Exercises 1–8, let u = 〈3, −2〉 and v = 〈−2, 5〉....Ch. 11.2 - Prob. 6ECh. 11.2 - In Exercises 1–8, let u = 〈3, −2〉 and v = 〈−2, 5〉....Ch. 11.2 - In Exercises 1–8, let u = 〈3, −2〉 and v = 〈−2, 5〉....Ch. 11.2 - In Exercises 9–16, find the component form of the...Ch. 11.2 - In Exercises 9–16, find the component form of the...Ch. 11.2 - In Exercises 9–16, find the component form of the...Ch. 11.2 - In Exercises 9–16, find the component form of the...Ch. 11.2 - The unit vector that makes an angle θ = 2π/3 with...Ch. 11.2 - The unit vector that makes an angle θ = −3π/4 with...Ch. 11.2 - The unit vector obtained by rotating the vector ...Ch. 11.2 - The unit vector obtained by rotating the vector ...Ch. 11.2 - In Exercises 17–22, express each vector in the...Ch. 11.2 - Prob. 18ECh. 11.2 - In Exercises 17–22, express each vector in the...Ch. 11.2 - In Exercises 17–22, express each vector in the...Ch. 11.2 - Prob. 21ECh. 11.2 - Prob. 22ECh. 11.2 - In Exercises 23 and 24, copy vectors u, v, and w...Ch. 11.2 - Prob. 24ECh. 11.2 - Prob. 25ECh. 11.2 - Prob. 26ECh. 11.2 - Prob. 27ECh. 11.2 - Prob. 28ECh. 11.2 - In Exercises 25–30, express each vector as a...Ch. 11.2 - Prob. 30ECh. 11.2 - Find the vectors whose lengths and directions are...Ch. 11.2 - Prob. 32ECh. 11.2 - Find a vector of magnitude 7 in the direction of v...Ch. 11.2 - Prob. 34ECh. 11.2 - In Exercises 35–38, find a. the direction of and...Ch. 11.2 - In Exercises 35–38, find a. the direction of and...Ch. 11.2 - In Exercises 35–38, find a. the direction of and...Ch. 11.2 - Prob. 38ECh. 11.2 - If = i + 4j − 2k and B is the point (5, 1, 3),...Ch. 11.2 - Prob. 40ECh. 11.2 - Linear combination Let u = 2i + j, v = i + j, and...Ch. 11.2 - Linear combination Let u = i − 2j, v = 2i + 3j,...Ch. 11.2 - Prob. 43ECh. 11.2 - Prob. 44ECh. 11.2 - Consider a 100-N weight suspended by two wires as...Ch. 11.2 - Prob. 46ECh. 11.2 - Prob. 47ECh. 11.2 - Prob. 48ECh. 11.2 - Location A bird flies from its nest 5 km in the...Ch. 11.2 - Prob. 50ECh. 11.2 - Prob. 51ECh. 11.2 - Prob. 52ECh. 11.2 - Prob. 53ECh. 11.2 - Vectors are drawn from the center of a regular...Ch. 11.2 - Prob. 55ECh. 11.2 - Prob. 56ECh. 11.3 - Prob. 1ECh. 11.3 - 2. v = (3/5)i + (4/5)k, u = 5i + 12j
v · u, |v|,...Ch. 11.3 - Prob. 3ECh. 11.3 - Prob. 4ECh. 11.3 - 5. v = 5j – 3k, u = i + j + k
v · u, |v|, |u|
the...Ch. 11.3 - Prob. 6ECh. 11.3 - v = 5i + j,
v · u, | v |, | u |
the cosine of the...Ch. 11.3 -
v · u, | v |, | u |
the cosine of the angle...Ch. 11.3 - Find the angles between the vectors in Exercises...Ch. 11.3 - Find the angles between the vectors in Exercises...Ch. 11.3 - Find the angles between the vectors in Exercises...Ch. 11.3 - Find the angles between the vectors in Exercises...Ch. 11.3 - Prob. 13ECh. 11.3 - Rectangle Find the measures of the angles between...Ch. 11.3 - Direction angles and direction cosines The...Ch. 11.3 - Water main construction A water main is to be...Ch. 11.3 - Sums and differences In the accompanying figure,...Ch. 11.3 - Prob. 18ECh. 11.3 - Diagonals of a rhombus Show that the diagonals of...Ch. 11.3 - Perpendicular diagonals Show that squares are the...Ch. 11.3 - When parallelograms are rectangles Prove that a...Ch. 11.3 - Diagonal of parallelogram Show that the indicated...Ch. 11.3 - Prob. 23ECh. 11.3 - Prob. 24ECh. 11.3 - Cauchy–Schwarz inequality Since u · v = |u| |v|...Ch. 11.3 - Prob. 26ECh. 11.3 - Prob. 27ECh. 11.3 - Cancelation in dot products In real-number...Ch. 11.3 - Prob. 29ECh. 11.3 - Prob. 30ECh. 11.3 - Prob. 31ECh. 11.3 - Prob. 32ECh. 11.3 - Prob. 33ECh. 11.3 - Prob. 34ECh. 11.3 - Prob. 35ECh. 11.3 - Prob. 36ECh. 11.3 - Prob. 37ECh. 11.3 - Prob. 38ECh. 11.3 - Prob. 39ECh. 11.3 - Prob. 40ECh. 11.3 - Prob. 41ECh. 11.3 - Prob. 42ECh. 11.3 - Prob. 43ECh. 11.3 - Sailboat The wind passing over a boat’s sail...Ch. 11.3 -
Use this fact and the results of Exercise 33 or...Ch. 11.3 - Prob. 46ECh. 11.3 - Prob. 47ECh. 11.3 - Prob. 48ECh. 11.3 - Prob. 49ECh. 11.3 - Prob. 50ECh. 11.4 - In Exercises 1–8, find the length and direction...Ch. 11.4 - In Exercises 1–8, find the length and direction...Ch. 11.4 - In Exercises 1–8, find the length and direction...Ch. 11.4 - Prob. 4ECh. 11.4 - In Exercises 1–8, find the length and direction...Ch. 11.4 - In Exercises 1–8, find the length and direction...Ch. 11.4 - Prob. 7ECh. 11.4 - In Exercises 1–8, find the length and direction...Ch. 11.4 - In Exercises 9–14, sketch the coordinate axes and...Ch. 11.4 - Prob. 10ECh. 11.4 - Prob. 11ECh. 11.4 - Prob. 12ECh. 11.4 - In Exercises 9–14, sketch the coordinate axes and...Ch. 11.4 - In Exercises 9–14, sketch the coordinate axes and...Ch. 11.4 - In Exercises 15−18,
Find the area of the triangle...Ch. 11.4 - In Exercises 15−18,
Find the area of the triangle...Ch. 11.4 - In Exercises 15−18,
Find the area of the triangle...Ch. 11.4 - In Exercises 15−18,
Find the area of the triangle...Ch. 11.4 - In Exercises 19–22, verify that (u × v) · w = (v ×...Ch. 11.4 - In Exercises 19–22, verify that (u × v) · w = (v ×...Ch. 11.4 - In Exercises 19–22, verify that (u × v) · w = (v ×...Ch. 11.4 - In Exercises 19–22, verify that (u × v) · w = (v ×...Ch. 11.4 - Prob. 23ECh. 11.4 - Prob. 24ECh. 11.4 - Prob. 25ECh. 11.4 - Prob. 26ECh. 11.4 - Which of the following are always true, and which...Ch. 11.4 - Which of the following are always true, and which...Ch. 11.4 - Given nonzero vectors u, v, and w, use dot product...Ch. 11.4 - Compute (i × j) × j and i × (j × j). What can you...Ch. 11.4 - Let u, v, and w be vectors. Which of the following...Ch. 11.4 - Prob. 32ECh. 11.4 - Cancelation in cross products If u × v = u × w and...Ch. 11.4 - Double cancelation If u ≠ 0 and if u × v = u × w...Ch. 11.4 - Find the areas of the parallelograms whose...Ch. 11.4 - Prob. 36ECh. 11.4 - Prob. 37ECh. 11.4 - Find the areas of the parallelograms whose...Ch. 11.4 - Find the areas of the parallelograms whose...Ch. 11.4 - Find the areas of the parallelograms whose...Ch. 11.4 - Find the areas of the triangles whose vertices are...Ch. 11.4 - Prob. 42ECh. 11.4 - Prob. 43ECh. 11.4 - Prob. 44ECh. 11.4 - Find the areas of the triangles whose vertices are...Ch. 11.4 - Prob. 46ECh. 11.4 - Find the areas of the triangles whose vertices are...Ch. 11.4 - Find the volume of a parallelepiped with one of...Ch. 11.4 - Triangle area Find a 2 × 2 determinant formula for...Ch. 11.4 - Triangle area Find a concise 3 × 3 determinant...Ch. 11.5 - Find parametric equations for the lines in...Ch. 11.5 - Find parametric equations for the lines in...Ch. 11.5 - Find parametric equations for the lines in...Ch. 11.5 - Find parametric equations for the lines in...Ch. 11.5 - Find parametric equations for the lines in...Ch. 11.5 - Find parametric equations for the lines in...Ch. 11.5 - Prob. 7ECh. 11.5 - Find parametric equations for the lines in...Ch. 11.5 - Find parametric equations for the lines in...Ch. 11.5 - Prob. 10ECh. 11.5 - Prob. 11ECh. 11.5 - Prob. 12ECh. 11.5 - Find parametrizations for the line segments...Ch. 11.5 - Prob. 14ECh. 11.5 - Find parametrizations for the line segments...Ch. 11.5 - Prob. 16ECh. 11.5 - Find parametrizations for the line segments...Ch. 11.5 - Find parametrizations for the line segments...Ch. 11.5 - Find parametrizations for the line segments...Ch. 11.5 - Prob. 20ECh. 11.5 - Find equations for the planes in Exercises...Ch. 11.5 - Find equations for the planes in Exercises...Ch. 11.5 - Planes
Find equations for the planes in Exercises...Ch. 11.5 - Planes
Find equations for the planes in Exercises...Ch. 11.5 - Find equations for the planes in Exercises...Ch. 11.5 - Find equations for the planes in Exercises...Ch. 11.5 - Prob. 27ECh. 11.5 - Prob. 28ECh. 11.5 - In Exercises 29 and 30, find the plane containing...Ch. 11.5 - In Exercises 29 and 30, find the plane containing...Ch. 11.5 - Prob. 31ECh. 11.5 - Prob. 32ECh. 11.5 - In Exercises 33–38, find the distance from the...Ch. 11.5 - In Exercises 33–38, find the distance from the...Ch. 11.5 - In Exercises 33–38, find the distance from the...Ch. 11.5 - In Exercises 33–38, find the distance from the...Ch. 11.5 - Prob. 37ECh. 11.5 - Prob. 38ECh. 11.5 - In Exercises 39–44, find the distance from the...Ch. 11.5 - In Exercises 39–44, find the distance from the...Ch. 11.5 - In Exercises 39–44, find the distance from the...Ch. 11.5 - In Exercises 39−44, find the distance from the...Ch. 11.5 - Prob. 43ECh. 11.5 - Prob. 44ECh. 11.5 - Find the distance from the plane x + 2y + 6z = 1...Ch. 11.5 - Find the distance from the line x = 2 + t, y = 1 +...Ch. 11.5 - Find the angles between the planes in Exercises 47...Ch. 11.5 - Prob. 48ECh. 11.5 - Prob. 49ECh. 11.5 - Prob. 50ECh. 11.5 - Prob. 51ECh. 11.5 - Prob. 52ECh. 11.5 - In Exercises 57–60, find the point in which the...Ch. 11.5 - In Exercises 57–60, find the point in which the...Ch. 11.5 - In Exercises 57–60, find the point in which the...Ch. 11.5 - Prob. 56ECh. 11.5 - Find parametrizations for the lines in which the...Ch. 11.5 - Prob. 58ECh. 11.5 - Prob. 59ECh. 11.5 - Prob. 60ECh. 11.5 - Given two lines in space, either they are...Ch. 11.5 - Given two lines in space, either they are...Ch. 11.5 - Use Equations (3) to generate a parametrization of...Ch. 11.5 - Use the component form to generate an equation for...Ch. 11.5 - Find the points in which the line x = 1 + 2t, y =...Ch. 11.5 - Find equations for the line in the plane z = 3...Ch. 11.5 - Prob. 67ECh. 11.5 - How can you tell when two planes A1x + B1y + C1z =...Ch. 11.5 - Find two different planes whose intersection is...Ch. 11.5 - Find a plane through the origin that is...Ch. 11.5 - The graph of is a plane for any nonzero numbers...Ch. 11.5 - Prob. 72ECh. 11.5 - Prob. 73ECh. 11.5 - Prob. 74ECh. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - In Exercises 1–12, match the equation with the...Ch. 11.6 - Drawing
Sketch the surfaces in Exercises...Ch. 11.6 - Drawing
Sketch the surfaces in Exercises...Ch. 11.6 - Drawing
Sketch the surfaces in Exercises...Ch. 11.6 - Drawing
Sketch the surfaces in Exercises...Ch. 11.6 - Drawing
Sketch the surfaces in Exercises...Ch. 11.6 - Drawing
Sketch the surfaces in Exercises...Ch. 11.6 - Drawing
Sketch the surfaces in Exercises...Ch. 11.6 - Drawing
Sketch the surfaces in Exercises...Ch. 11.6 - Drawing
Sketch the surfaces in Exercises 13–44.
Ch. 11.6 - Prob. 22ECh. 11.6 - Prob. 23ECh. 11.6 - Prob. 24ECh. 11.6 - Drawing
Sketch the surfaces in Exercises 13–44.
Ch. 11.6 - Prob. 26ECh. 11.6 - Prob. 27ECh. 11.6 - Prob. 28ECh. 11.6 - Drawing
Sketch the surfaces in Exercises...Ch. 11.6 - Prob. 30ECh. 11.6 - Prob. 31ECh. 11.6 - Prob. 32ECh. 11.6 - Prob. 33ECh. 11.6 - Prob. 34ECh. 11.6 - Prob. 35ECh. 11.6 - Prob. 36ECh. 11.6 - Prob. 37ECh. 11.6 - Prob. 38ECh. 11.6 - Prob. 39ECh. 11.6 - Prob. 40ECh. 11.6 - Prob. 41ECh. 11.6 - Prob. 42ECh. 11.6 - Prob. 43ECh. 11.6 - Prob. 44ECh. 11.6 - Express the area A of the cross-section cut from...Ch. 11.6 - Prob. 46ECh. 11.6 - Prob. 47ECh. 11.6 - Prob. 48ECh. 11.6 - Prob. 49ECh. 11.6 - Prob. 50ECh. 11.6 - Prob. 51ECh. 11.6 - Prob. 52ECh. 11 - Prob. 1GYRCh. 11 - How are vectors added and subtracted...Ch. 11 - Prob. 3GYRCh. 11 - Prob. 4GYRCh. 11 - Define the dot product (scalar product) of two...Ch. 11 - Prob. 6GYRCh. 11 - Prob. 7GYRCh. 11 - Prob. 8GYRCh. 11 - Prob. 9GYRCh. 11 - Prob. 10GYRCh. 11 - Prob. 11GYRCh. 11 - Prob. 12GYRCh. 11 - What are box products? What significance do they...Ch. 11 - Prob. 14GYRCh. 11 - Prob. 15GYRCh. 11 - Prob. 16GYRCh. 11 - Prob. 17GYRCh. 11 - In Exercises 1–4, let u = ⟨−3, 4⟩ and v = ⟨2, −5⟩....Ch. 11 - Prob. 2PECh. 11 - Prob. 3PECh. 11 - Prob. 4PECh. 11 - Prob. 5PECh. 11 - In Exercises 5-8, find the component form of the...Ch. 11 - The vector 2 units long in the direction 4i − j
Ch. 11 - The vector 5 units long in the direction opposite...Ch. 11 - Express the vectors in Exercises 9–12 in terms of...Ch. 11 - Prob. 10PECh. 11 - Prob. 11PECh. 11 - Prob. 12PECh. 11 - Prob. 13PECh. 11 - Prob. 14PECh. 11 - Prob. 15PECh. 11 - Prob. 16PECh. 11 - In Exercises 17 and 18, find |v|, |u|, , the angle...Ch. 11 - Prob. 18PECh. 11 - In Exercises 19 and 20, find projv u.
v = 2i + j −...Ch. 11 - Prob. 20PECh. 11 - In Exercises 21 and 22, draw coordinate axes and...Ch. 11 - Prob. 22PECh. 11 - Prob. 23PECh. 11 - Prob. 24PECh. 11 - In Exercises 25 and 26, find (a) the area of the...Ch. 11 - Prob. 26PECh. 11 - Suppose that n is normal to a plane and that v is...Ch. 11 - Find a vector in the plane parallel to the line ax...Ch. 11 - In Exercises 29 and 30, find the distance from the...Ch. 11 - Prob. 30PECh. 11 - Prob. 31PECh. 11 - Parametrize the line segment joining the points...Ch. 11 - In Exercises 33 and 34, find the distance from the...Ch. 11 - Prob. 34PECh. 11 - Prob. 35PECh. 11 - Prob. 36PECh. 11 - In Exercises 37 and 38, find an equation for the...Ch. 11 - Prob. 38PECh. 11 - Prob. 39PECh. 11 - Prob. 40PECh. 11 - Find the acute angle between the planes x = 7 and...Ch. 11 - Prob. 42PECh. 11 - Find parametric equations for the line in which...Ch. 11 - Prob. 44PECh. 11 - Prob. 45PECh. 11 - Prob. 46PECh. 11 - Prob. 47PECh. 11 - Prob. 48PECh. 11 - Prob. 49PECh. 11 - Prob. 50PECh. 11 - Prob. 51PECh. 11 - Prob. 52PECh. 11 - Prob. 53PECh. 11 - Prob. 54PECh. 11 - Find the point in which the line through P(3, 2,...Ch. 11 - Prob. 56PECh. 11 - Prob. 57PECh. 11 - Prob. 58PECh. 11 - Prob. 59PECh. 11 - Is the line related in any way to the plane ?...Ch. 11 - Which of the following are equations for the plane...Ch. 11 - The parallelogram shown here has vertices at A(2,...Ch. 11 - Prob. 63PECh. 11 - Prob. 64PECh. 11 - Prob. 65PECh. 11 - Prob. 66PECh. 11 - Prob. 67PECh. 11 - Prob. 68PECh. 11 - Prob. 69PECh. 11 - Prob. 70PECh. 11 - Prob. 71PECh. 11 - Prob. 72PECh. 11 - Prob. 73PECh. 11 - Prob. 74PECh. 11 - Prob. 75PECh. 11 - Prob. 76PECh. 11 - Prob. 1AAECh. 11 - Prob. 2AAECh. 11 - Prob. 3AAECh. 11 - Prob. 4AAECh. 11 - Prob. 5AAECh. 11 - Prob. 6AAECh. 11 - Prob. 7AAECh. 11 - Prob. 8AAECh. 11 - Prob. 9AAECh. 11 - Prob. 10AAECh. 11 - Prob. 11AAECh. 11 - Prob. 12AAECh. 11 - Prob. 13AAECh. 11 - Prob. 14AAECh. 11 - Prob. 15AAECh. 11 - By forming the cross product of two appropriate...Ch. 11 - Prob. 17AAECh. 11 - Prob. 18AAE
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- (1) (4 points) Give a parametrization c: R R³ of the line through the points P = (1,0,-1) and Q = (-2, 0, 1).arrow_forward4. Consider the initial value problem y' = 3x(y-1) 1/3, y(xo) = yo. (a) For what points (co, yo) does the IVP have a solution? (b) For what points (xo, yo) does the IVP have a unique solution on some open interval that contains 20? (c) Solve the IVP y' = 3x(y-1) 1/3, y(0) = 9 and determine the largest open interval on which this solution is unique.arrow_forwardFind the limit. (If the limit is infinite, enter 'oo' or '-o', as appropriate. If the limit does not otherwise exist, enter DNE.) lim X→ ∞ (✓ 81x2 - 81x + x 9x)arrow_forward
- 2) Compute the following anti-derivative. √1x4 dxarrow_forwardQuestion 3 (5pt): A chemical reaction. In an elementary chemical reaction, single molecules of two reactants A and B form a molecule of the product C : ABC. The law of mass action states that the rate of reaction is proportional to the product of the concentrations of A and B: d[C] dt = k[A][B] (where k is a constant positive number). Thus, if the initial concentrations are [A] = = a moles/L and [B] = b moles/L we write x = [C], then we have (E): dx dt = k(ax)(b-x) 1 (a) Write the differential equation (E) with separate variables, i.e. of the form f(x)dx = g(t)dt. (b) Assume first that a b. Show that 1 1 1 1 = (a - x) (b - x) - a) a - x b - x b) (c) Find an antiderivative for the function f(x) = (a-x) (b-x) using the previous question. (d) Solve the differentiel equation (E), i.e. find x as a function of t. Use the fact that the initial concentration of C is 0. (e) Now assume that a = b. Find x(t) assuming that a = b. How does this expression for x(t) simplify if it is known that [C] =…arrow_forward3) Find the volume of the solid that lies inside both the sphere x² + y² + z² cylinder x²+y² = 1. = 4 and thearrow_forward
- 1) Compute the following limit. lim x-0 2 cos(x) 2x² - x4arrow_forwardy = f(x) b C The graph of y = f(x) is shown in the figure above. On which of the following intervals are dy > 0 and dx d²y dx2 <0? I. aarrow_forward3 2 1 y O a The graph of the function f is shown in the figure above. Which of the following statements about f is true? о limb f(x) = 2 Olima f(x) = 2 о lima f (x) = lim x →b f(x) → f (x) = 1 limb. lima f(x) does not existarrow_forwardQuestion 1 (1pt). The graph below shows the velocity (in m/s) of an electric autonomous vehicle moving along a straight track. At t = 0 the vehicle is at the charging station. 1 8 10 12 0 2 4 6 (a) How far is the vehicle from the charging station when t = 2, 4, 6, 8, 10, 12? (b) At what times is the vehicle farthest from the charging station? (c) What is the total distance traveled by the vehicle?arrow_forwardQuestion 2 (1pt). Evaluate the following (definite and indefinite) integrals (a) / (e² + ½) dx (b) S (3u 2)(u+1)du (c) [ cos³ (9) sin(9)do .3 (d) L³ (₂ + 1 dzarrow_forward= Question 4 (5pt): The Orchard Problem. Below is the graph y f(t) of the annual harvest (assumed continuous) in kg/year from my cranapple orchard t years after planting. The trees take about 25 years to get established, and from that point on, for the next 25 years, they give a fairly good yield. But after 50 years, age and disease are taking their toll, and the annual yield is falling off. 40 35 30 。 ៣៩ ថា8 8 8 8 6 25 20 15 10 y 5 0 0 5 10 15 20 25 30 35 40 45 50 55 60 The orchard problem is this: when should the orchard be cut down and re- planted, thus starting the cycle again? What you want to do is to maximize your average harvest per year over a full cycle. Of course there are costs to cutting the orchard down and replanting, but it turns out that we can ignore these. The first cost is the time it takes to cut the trees down and replant but we assume that this can effectively be done in a week, and the loss of time is negligible. Secondly there is the cost of the labour to cut…arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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