If for the matrix `A ,\ A^3=I`
, then `A^(-1)=`
`A^2`
(b) `A^3`
(c) `A`
(d) none of these
Text Solution
Verified by Experts
We have given the matrix `A ,\ A^3=I`
`A^3=I`
`A^(−1)A A^2=A ^(−1)I`
`A^2=A ^(−1)`
Hence correct option is (b).
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