Math, asked by Cchinmays5344, 9 months ago

Prove that :n (AnB) = n(A) + n(B)-n(AUB)

Answers

Answered by nehabaruah444

0

take A and B as two disjoint sets

Answered by rigourikumar

0

Answer:

the ans is option b) 20

Step-by-step explanation:

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