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Let A be a 2xx 2 matrix with real entr...

Let A be a ` 2xx 2 ` matrix with real entries and det (A)= d` ne 0 ` such that det `(A+d(adj ) A))` =0 . Find the valued of det ( A-d(dj (A))

A

8

B

7

C

4

D

none of these

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The correct Answer is:
C
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