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Find the adjoint of the given matrix and...

Find the adjoint of the given matrix and verify in each case that `A.(adj A)=(adj A).A=|A\|.I.`
If `A=[(-1,-2,-2),(2,1,-2),(2,-2,1)]` .

A

A

B

`A^(T)`

C

3A

D

`3A^(T)`

Text Solution

Verified by Experts

The correct Answer is:
D
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