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For any 2xx2 matrix, if A\ (a d j\ A)=[[...

For any `2xx2` matrix, if `A\ (a d j\ A)=[[10 ,0 ],[0 ,10]]` , then `|A|` is equal to (a) 20 (b) 100 (c) 10 (d) 0

A

0

B

10

C

20

D

100

Text Solution

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The correct Answer is:
B
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