Question 4. Let L: R → R be a linear transformation in the Euclidean space defined by L(¤1, x2) = (5x1 + 2x2, –3x1 + 2x2)". (a) Find the matrix [L]ST relative to the bases S = {(1,2)", (1, –1)"} and T = {(1,0), (1, 1)} (b) Find the coordinate vectors [(3, 4)"]s, [L(3, 4)]T and then use [L]sT to find L(3, 4). Verify the last result by computing L(3, 4) directly.

Elementary Linear Algebra (MindTap Course List)
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Chapter7: Eigenvalues And Eigenvectors
Section7.CM: Cumulative Review
Problem 6CM: Let T:R4R2 be the linear transformation defined by T(v)=Av, where A=[10100101]. Find a basis for a...
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Question 4. Let L: R → R be a linear transformation in the Euclidean space defined by
L(x1, x2)
= (5x1 + 2x2, -3.x1+ 2x2)".
(a) Find the matrix [L]ST relative to the bases S = {(1, 2)", (1,–1)"} andT
{(1,0), (1, 1)}
(b) Find the coordinate vectors [(3, 4)"]s, [L(3, 4)]r and then use [L]sT to find L(3,4). Verify
the last result by computing L(3, 4) directly.
Transcribed Image Text:Question 4. Let L: R → R be a linear transformation in the Euclidean space defined by L(x1, x2) = (5x1 + 2x2, -3.x1+ 2x2)". (a) Find the matrix [L]ST relative to the bases S = {(1, 2)", (1,–1)"} andT {(1,0), (1, 1)} (b) Find the coordinate vectors [(3, 4)"]s, [L(3, 4)]r and then use [L]sT to find L(3,4). Verify the last result by computing L(3, 4) directly.
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