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Find the adjoint of the matrix A=[-1-...

Find the adjoint of the matrix `A=[-1-2-2 2 1-2 2-2 1]` and hence show that `A(a d j\ A)=|A|\ I_3` .

A

A

B

`A^(T)`

C

3A

D

`3A^(T)`

Text Solution

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The correct Answer is:
D
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