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If A={x:x^2=1} and B={x:x^4=1}:then A De...

If `A={x:x^2=1}` and `B={x:x^4=1}`:then `A Delta B` is equal to

A

{i,-i}

B

{-1,1}

C

{-1,1,i,-i}

D

{1,i}

Text Solution

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The correct Answer is:
A
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