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If matrix A = [a(ij)] (2xx2) where a(i...

If matrix `A = [a_(ij)] _(2xx2)` where `a_(ij) {:(-1," if " i !=j ),(=0 , " if " i = j):} ` then `A^(2)` is equal to :

A

I

B

A

C

O

D

none of these

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HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
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