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Write the set builder form of A = {-1,1...

Write the set builder form of `A = {-1,1}`

A

A={x:x is a real number }

B

A={x:x is an integer }

C

A={x:x is a root of the equation `x^2`=1}

D

A={x :x is a root of the equation `x^2` +1 =0}

Text Solution

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The correct Answer is:
C
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