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If for a matrix A,A^(2)+I=O where I is t...

If for a matrix `A,A^(2)+I=O` where I is the indentity matrix, then `A=`

A

`[(-i,0),(0,-i)]`

B

`[(-i,0),(0,i)]`

C

`[(i,0),(0,-i)]`

D

all the above

Text Solution

Verified by Experts

The correct Answer is:
D
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