1. Let S = {[][ED (a) Show that S is a basis for R³. (b) (i) Find a matrix Q that converts from S to the standard basis for R³. (ii) Find a matrix P that converts from the standard basis in R³ to S. (c) Let f: R→ R such that f(x, y, z) = (2x - 3y, 2y3z, 2z - 3x). Show that f is a linear transformation. (i) (ii) Find a matrix A representing f relative to the standard basis in R³. (iii) Use your answers to part (b) to find a matrix B representing f relative to the basis S.

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Chapter7: Eigenvalues And Eigenvectors
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1. Let S = {[], [¹], [2]}.
(a) Show that S is a basis for R³.
(b) (i)
(ii)
Find a matrix Q that converts from S to the standard basis for R³.
Find a matrix P that converts from the standard basis in R³ to S.
(c) Let f: R→R such that f(x, y, z) = (2x − 3y, 2y —- 3z, 2z - 3x).
Show that f is a linear transformation.
(i)
(ii)
Find a matrix A representing f relative to the standard basis in R³.
(iii)
Use your answers to part (b) to find a matrix B representing f relative to the basis
S.
(iv) What effect does f have on area and orientation?
(d) Let A be a 3x3 matrix. Show that det(A) = 0 if and only if the columns of A are
linearly dependent.
Transcribed Image Text:1. Let S = {[], [¹], [2]}. (a) Show that S is a basis for R³. (b) (i) (ii) Find a matrix Q that converts from S to the standard basis for R³. Find a matrix P that converts from the standard basis in R³ to S. (c) Let f: R→R such that f(x, y, z) = (2x − 3y, 2y —- 3z, 2z - 3x). Show that f is a linear transformation. (i) (ii) Find a matrix A representing f relative to the standard basis in R³. (iii) Use your answers to part (b) to find a matrix B representing f relative to the basis S. (iv) What effect does f have on area and orientation? (d) Let A be a 3x3 matrix. Show that det(A) = 0 if and only if the columns of A are linearly dependent.
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