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If matrix A=[{:(3,2,4),(1,2,-1),(0,1,1):...

If matrix `A=[{:(3,2,4),(1,2,-1),(0,1,1):}]and A^(-1)=1/k` adj A, then k is

A

7

B

-7

C

15

D

-11

Text Solution

Verified by Experts

The correct Answer is:
C
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