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If Ane0, A={:[(a,b),(c,d)]:}, ad- c = 0 ...

If `Ane0,` `A={:[(a,b),(c,d)]:},` ad- c = 0 and `A^(2)-(a+d)A+(ad-bc)I=0` then the value of a + d will be--

A

1

B

0

C

-1

D

none of these

Text Solution

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The correct Answer is:
B
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