0 The matrices are 2 A = 0 4 = (22), B = ( 10 ), C = 0 - ( 1 ) -2 0 0 2 Compute the following quantities. If a calculation is invalid or the result does not exist, just say “DNE”. If a matrix multiplication does not exist, we do NOT need to explain the reason. If the inverse of a matrix does not exist, we MUST explain the reason. (1) 2A - B, (2) A · B, (3) B.C, (4) A-1, (5) B−¹.

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