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If Delta= [[ a11 , a12 , a13],[a21 , a22...

If `Delta= [[ a_11 , a_12 , a_13],[a_21 , a_22 , a_23],[a_31 , a_32 , a_33 ]]` and `A_ij` is the cofactor of `a_ij` then the value of `Delta` is given by

A

`a_11 A_31+a_1 2 A_3 2+a_13 A_33`

B

`a_11 A_11+a_12 A_12+a_13 A_13`

C

`a_21 A_11+a_22 A_12+a_13 A_13`

D

`a_11 A_ 11+a_21 A_21+a_31 A_31`

Text Solution

Verified by Experts

The correct Answer is:
D
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HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
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