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If A=[[a,b],[c,d]] (where b c!=0 ) satis...

If `A=[[a,b],[c,d]]` (where `b c!=0` ) satisfies the equations `x^2+k=0,t h e n`

A

`a+d=0&k=|A|`

B

`a-d=0 & k=|A|`

C

`a+d=0 & k=-|A|`

D

`a+d ne 0,& k=|A|`

Text Solution

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The correct Answer is:
A
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