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Matrices A and B will be inverse of each...

Matrices A and B will be inverse of each other only if

A

AB=BA

B

AB=BA=0

C

AB=O,BA=I

D

AB+BA=I

Text Solution

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The correct Answer is:
A
(d) if a is any square matrix and a matrix B of same order is such that AB=1 BA then A and B are inverse of each other.
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