For any two sets A - B- if nA-a- nB-b then nA- B-nB- A-ab-

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Sambhaji Maharaj

For any two s...

Question

For any two sets $A & B,$ if $n (A) = a; n (B) = b$ then $n (A \times B) = n (B \times A) = a b .$

False

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True

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