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If A=[[x,1],[1,0]] and A^2=I, then A^(-1...

If `A=[[x,1],[1,0]]` and `A^2=I`, then `A^(-1)` is equal to:
a)`[[0,1],[1,0]]` b)`[[1,0],[0,1]]`
c)`[[1,1],[1,1]]` d)`[[0,0],[0,0]]`

A

`[[0,1],[1,0]]`

B

`[[1,0],[0,1]]`

C

`[[1,1],[1,1]]`

D

`[[0,0],[0,0]]`

Text Solution

Verified by Experts

The correct Answer is:
A
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