SOLUTION: If A is a 5 × 5 matrix, then AI^-1 = a. A^-1 b. I c. A d. A^-1 I

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Question 156061: If A is a 5 × 5 matrix, then AI^-1 =
a. A^-1
b. I
c. A
d. A^-1 I
Answer by dave41082(4) About Me  (Show Source):
You can put this solution on YOUR website!
Since I = I^-1, you simply have AI, and we know any matrix multiplied by I equals itself.
So the answer is A.