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If A = [{:(costheta, sin theta),(-sin th...

If `A = [{:(costheta, sin theta),(-sin theta, cos theta):}]` and A(adj A) = `[{:(k,0),(0,k):}]`, then k=……………

A

0

B

`sin theta`

C

`cos theta`

D

1

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The correct Answer is:
D
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  1. If A = [{:(costheta, sin theta),(-sin theta, cos theta):}] and A(adj A...

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