If a matrix A is such that 4A^(3)+2A^(...

If a matrix A is such that
`4A^(3)+2A^(2)+7A+I=0`, then `A^(-1)` equals

A

`(4A^(2)+2A+7I)`

B

`-(4A^(2)+2A+7I)`

C

`-(4A^(2)-2A+7I)`

D

`(4A^(2)+2A-7I)`

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The correct Answer is:

B

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