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If AB=I and B=A', then...

If `AB=I and B=A'`, then

A

`A^(-1)=A'`

B

`A^(-1)=A`

C

`A^(-1)=A^(2)'`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
`AB=l,B=A'`
`impliesA A'=l`
`impliesA'=A^(-1)`
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