Given A= {x|x is a root of x^(2)-1= 0}, ...

Given A= {x|x is a root of `x^(2)-1= 0`}, B= {x|x is a root of `x^(2) - 2x+1= 0`}, then

A

`A nn B= A`

B

`A uu B= phi`

C

`A uu B= A`

D

`A nn B= phi`

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The correct Answer is:

C

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