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If A= (a(ij)) is a 4xx4 matrix and C(ij...

If `A= (a_(ij))` is a `4xx4` matrix and `C_(ij)`, is the co-factor of the element `a_(ij)`, in `Det (A)`, then the expression `a_11C_11+a_12C_12+a_13C_13+a_14C_14` equals-

A

0

B

-1

C

1

D

Det`(A)`

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The correct Answer is:
D
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MARVEL PUBLICATION-MATRICES-TEST YOUR GRASP
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