JEE MATHEMATICS MCQ: SET THEORY

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The Cartesian product of two sets

\mathrm{P}

and

\mathrm{Q}

, i.e.,

\mathrm{P} \times \mathrm{Q}=\phi

, if

View answer and explanation

Correct option: A

either

\mathrm{P}

\mathrm{Q}

is the null set

Option A is correct because the Cartesian product of two sets is empty if at least one of the sets is empty.

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