Given that A = [a(ij)] is a square matri...

Given that `A = [a_(ij)]` is a square matrix of order `3 xx 3 and |A| = - 7`, then the value of `sum_(i=1)^3a_(i2)A_(i2)` where `A_(ij)` denotes the cofactor of element `a_(ij)` is:

A

7

B

`-7`

C

0

D

49

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Verified by Experts

The correct Answer is:

B

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