If A and B be any two sets such that A Δ B = A, then A ∩ B is

1.	If A and B be any two sets such that A Δ B = A, then A ∩ B is
A.	ϕ
B.	A
C.	B
D.	A ∪ B
Answer» B. A

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If A and B be any two sets such that A Δ B = A, then A ∩ B is

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