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Question

If P = {x : x ϵ Z, -7 < x < 8} and Q = R then the set n(P x Q) is


A

None of the above

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B

Infinite set

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C

Empty set

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D

Finite set

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Solution

The correct option is B

Infinite set


Since the set Q = R taken in the Cartesian product is infinite so n(P x Q)= ∞


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