Let A = 5 0 −1 2 , D = 0 −5 −6 1 . Compute the indicated matrix. (If this is not possible, enter DNE in any single blank). A + 2D

Let

A =

5 0
−1 2

,    D =

0 −5
−6 1

.

Compute the indicated matrix. (If this is not possible, enter DNE in any single blank).
A + 2D

Answer 

5 −10
−13 4

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