If A is an 3×3 non–singular matrix such that AA'=A'A and B=A−1A', – InterviewSolution

1.	If A is an 3×3 non–singular matrix such that AA'=A'A and B=A−1A', then BB' equals:
Answer» If $A$ is an $3 \times 3$ non–singular matrix such that $A A' = A' A$ and $B = A^{- 1} A'$ , then $B B'$ equals:

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