JEE MATHEMATICS MCQ: RELATIONS

1 Easy

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Understanding +4 | -1

Let

Y=\{1,2,3,4,5\}, A=\{1,2\}, B=\{3,4,5\}

and

\phi

denote the null set. If

A \times B

denotes the cartesian product of sets

A

and

B

, then

(Y \times A) \cap(Y \times B)

View answer and explanation

Correct option: D

\phi

Option D (

\phi

) is correct because the intersection of Y x A and Y x B is Y x (A ∩ B), and since A and B are disjoint, their intersection is the empty set.

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