Use Theorem 4.3.3 to find the standard matrix for T: R2 R2 from the images of
Question:
(a) T: R2 → R2 projects a vector orthogonally onto the x-axis and then reflects that vector about the y-axis.
(b) T: R2 → R2 reflects a vector about the line y = x and then reflects that vector about the x-axis.
(c) T: R2 → R2 dilates a vector by a factor of 3, then reflects that vector about the line y = x, and then projects that vector orthogonally onto the y-axis.
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Related Book For
Elementary Linear Algebra with Applications
ISBN: 978-0471669593
9th edition
Authors: Howard Anton, Chris Rorres
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