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If A^(3)-A^(2)-3A-I(3)=O and A^(2)=A the...

If `A^(3)-A^(2)-3A-I_(3)=O` and `A^(2)=A` then the inverse of matrix A is :

A

2A

B

`-3I`

C

`-(1)/(5A)`

D

l

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