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If A matrix of size nxxn such that A^...

If A matrix of size ` nxxn ` such that ` A^(2) +A+2l =0 ` then

A

A is non-singular

B

`A ne 0`

C

`|A| ne 0`

D

` A^(-1) =-(1)/(2) (A+ 1) `

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The correct Answer is:
A, B, C:D
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