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If Delta=|[a(11),a(12),a(13)],[a(21),a(2...

If `Delta=|[a_(11),a_(12),a_(13)],[a_(21),a_(22),a_(23)],[a_(31),a_(32),a_(33)]|` and `A_(i j)` is cofactors of `a_(i j)` , then value of `Delta` is given by

A

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

B

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

C

`a_(11)A_(11)+a_(21)A_(21)+a_(31)A_(31)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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