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If A=|a(ij)| and A(ij) denotes the cofac...

If `A=|a_(ij)|` and `A_(ij)` denotes the cofactor of `a_(ij)`, then which of the following is not equal to zero ?

A

`a_(31)A_(11)+a_(32)A_(12)+a_(33)A_(13)`

B

`a_(11)A_(31)+a_(12)A_(32)+a_(13)A_(33)`

C

`A_(21)A_(21)+a_(22)A_(22)+a_(23)A_(23)`

D

`a_(31)A_(21)+a_(32)A_(22)+a_(33)A_(23)`

Text Solution

Verified by Experts

The correct Answer is:
C
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 7
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