Question: Let A = 8 -2 21 ; u = 3 -5 -3 -1. Define a transformation T: R3 R2 by T(x) = Ax. Find

Let A = 8 -2 21 ; u = 3 -5 -3

Let A = 8 -2 21 ; u = 3 -5 -3 -1. Define a transformation T: R3 R2 by T(x) = Ax. Find T(u), the image of u under the transformation T.

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