1. Let A=MB (f) be the matrix associated with the linear mapf(x,y,z) = (3x-y + 4z,y+z-x,x+y+z) relative to the basesB={u=(4, 18,6), v= (17.1.0), w (17,0,-5) }andThen thefirstB'= {u'=(2,2,1); v' = (1,0,0); w'=(3,2,0) }column of A is:O A.2"B13B.-- 16On ()131C.D.E.7-53417173-

Answered: 1. Let A=MB (f) be the matrix…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Let A = M (f) be the matrix associated with the linear map ƒ((x,y,z)) = (x-2y,y+z,0) relative to the bases B={u= (1,0,3); v = (0,2,1), w = (2,1,0) } and B'= {u'=(0,0,2); v' = (1,0,3); w'=(1,3,1) } Then the first column of A is: O O 1/2 - 1/2 - 1/2 1/2 -1/2 1/2 - 1/2 1/2 -1/2
Let f(u, v) = (u - v, 1,u + v) and g(x, y, z) = xyz. Find the entry a12(i.e. the entry in the first row and second column) of the derivative matrices Df(u, v), Dg(x, y) and D(g. f)(0, 1). (a) a12 of Df(u, v) is (b) a12 of Dg(x, y, z) is (c) a12 of D(g)(0, 1) is (d) Select the correct answer about D(g. f)(u, v) OD(g. f)(u, v) is a real-valued function of u and v. D(g. f)(u, v) is a 2 x 2 matrix. D(g. f)(u, v) is a 2 x 3 matrix. D(g f)(u, v) is a 3 x 2 matrix. 0 D(g f)(u, v) is a 1 x 2 matrix. (e) Select the correct answer about D(f g)(x, y, z) OD(fog)(x, y, z) is a real-valued function of x and y. D(fog)(x, y, z) is a 2 x 1 matrix. D(f g)(x, y, z) is not defined. 0 D(f g)(x, y, z) is a 3 x 2 matrix. D(f g)(x, y, z) is a 2 x 2 matrix.
Find the matrix A' for T relative to the basis B'. A': = T: R² → R², T(x, y) = (−6x + y, 6x − y), B' = {(1, −1), (-1,5)} -
For what value or values of k the vectors V1 = (1,0, -2,0), V2 = (-1,k, -2,0), V3 = (1,1,1, 2) are V4 = (k, 1, 1, 2) € R* linearly dependent? (a) k = 2 and k + -1 (b) k = -2 or k = 1 (c) k = -2 or k = 2 (d) k = 0 or k = 1 (e) k +0 and k #1
Can we express the vector a = (2, – 5, 3) as a linear combination of the vectors e = (1, 1, 1), e, = (1, 2, 3) and e, = (2, – 1, 1) in R'(R). ||
6. Determine the matrix of the linear mapping defined by first mirroring the space vectors in the line with equation (x, y, z) = (2-2+, -2+2+, 1-t) and then rotating 풍 them by the angle II around the x-axis in the positive direction.
The third column of the change of basis matrix from the basis B= {u=(1,1,1) ; v= (1,0,1); w=(0,1,1 } to the basis B'= {r= (3,4,1); s= (3,0,1); t=(-4, -1, -2) is:
1. Let A = MB (f) be the matrix associated with the linear map f(x,y,z) = (2x − 2y+z, x − 4y+z, x-y-z) relative to the bases B={u=(5,16,1); v= (2, 1, –4); w=(7,17,2)} and B'={u'=(2,0,1); v' = (1,0,1); w'=(3,2,0)) Then the second column of A is: *) 0 O A. (0 O B. "B) °) SOC. O D. (6)
1. Let A = MB (f) be the matrix associated with the linear map f(x,y,z) = (3x−y+4z,y+z−x,x+y+z) relative to the bases B={u=(4,18,6), v= (17.1.0), w=(17,0,−5)} and B'={u'=(2,2,1); v'=(1,0,0); w'=(3,2,0) } Then the first column of A is: OA.-16 O B. 13 1 4 17 17 °C) O D. (2 213 O E. "G) ņ m

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