[Solved] Matrix A when multiplied with Matrix C gives the Identity matrix I, what is C?

Matrix A when multiplied with Matrix C gives the Identity matrix I, what is C?

a) Identity matrix
b) Inverse of A
c) Square of A
d) Transpose of A

Answer: b
Explanation: Any square matrix when multiplied with its inverse gives the identity matrix. Note that nonsquare matrices are not invertible.

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