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If A B=A and B A=B , then show that A^2=...

If `A B=A` and `B A=B` , then show that `A^2=A` , `B^2=B` .

A

`A^2B=A^2`

B

`B^2A=B^2`

C

ABA=A

D

BAB=B

Text Solution

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The correct Answer is:
A, B, C, D
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