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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 nnB =A`

B

`A uuB =phi`

C

`AuuB=A`

D

`AnnB =phi`

Text Solution

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The correct Answer is:
C
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