Math, asked by Urbaap07, 8 months ago

If A and B are not singleton sets and n(A×B)=21.
Also A is a Subset of B.
Then find n(A) and n(A).

PLEASE GIVE FULL SOLUTION.

Answers

Answered by prachisharma3206

4

if i am correct please mark me as brainlist

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Answered by amritaSN04

2

answer : n(B) = 7

explanation :

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