Question: Let Compute AD and DA. Explain how the columns or rows of A change when A is multiplied by D on the right or on

Let 124 A 1 2 1 1 35 4 5 and D =

Compute AD and DA. Explain how the columns or rows of A change when A is multiplied by D on the right or on the left. Find a 3 × 3 matrix B, not the identity matrix or the zero matrix, such that AB = BA:

124 A 1 2 1 1 35 4 5 and D = 2 0 0 0 3 0 005

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