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Q.If AA and BB are 3×33\times3 matrices and ∣A∣≠0|A| \ne 0, then A−1+B−1A^{-1} + B^{-1} equals

a
(A+B)−1(A + B)^{-1}
b
A−1(A+B)B−1A^{-1}(A + B)B^{-1}
c
(AB)−1(AB)^{-1}
d
none

Correct Answer: Option B

The correct solution involves applying the fundamental concept to derive the final value step by step...

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