Question

0 denote a 2 × 2 matrix, each of whose entries is zero.

(a) Is there a 2 × 2 matrix A such that A = 0 and AA = 0? Justify your answer.

(b) Is there a 2 × 2 matrix A such that A = 0 and AA = A? Justify your answer.​

Answer 1

Step-by-step explanation:

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