In accordance with part (c) of Theorem 4.11.1, show that multiplication by the
Chapter 4, Problem 19(choose chapter or problem)
In accordance with part (c) of Theorem 4.11.1, show that multiplication by the invertible matrix A = 3 2 1 1 maps the parallel lines y = 3x + 1 and y = 3x 2 into parallel lines.
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