If A is 3 xx 3 invertible matrix, then s...

If A is `3 xx 3` invertible matrix, then show that for any scalar k (non-zero),kA is invertible and `(kA)^-1=1/kA^-1I`

A

`k.A^(-1)`

B

`1/k.A^(-1)`

C

`-k.A^(-1)`

D

none of these

Verified by Experts

The correct Answer is:

B

`(kA)^(-1)=1/k.A^(-1)` is true

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