Questions
Let X and Y be two sets.
Statement 1:
Statement 2: If has m elements and has n elements then symmetric difference has elements.
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a
STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is a correct explanation for STATEMENT-1
b
STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is NOT a correct explanation for STATEMENT-1
c
STATEMENT-1 is True, STATEMENT-2 is False
d
STATEMENT-1 is False, STATEMENT-2 is True
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Correct option is B
X∩(Y∪X)′=X∩Y′∩X′=X∩X′∩Y′=ϕStatement-1 is True.XΔY=(X~Y)∪(Y~X)=(X∪Y)~(X∩Y)⇒number of elements in X ∆Y = m – n. ⇒ Statement-2 is True but does explain statement-1.
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