Q. 393.8( 5 Votes )

# If sets A and B are defined as thenA. A ∩ B = AB. A ∩ B = BC. A ∩ B = ϕD. A ∪ B = A

Answer :

Given:

To find: A B or A B

For any element of A B, A and B will have same value of y

-x2 = 1

x2 = -1

Square of any value cannot be negative

Hence, there is no value of x for which A and B will have same value of y

A B = ϕ

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RS Aggarwal - Mathematics