Math, asked by supremeknight15, 13 hours ago

A Venn diagram contains two sets. n(ξ) = 20, n(A) = 7, n(A ∪ B) = 12, n(B′) = 12.

Find n(A ∩ B).

Answers

Answered by shanzarasool25
1

Answer:

5

Step-by-step explanation:

well subtract b compliment from A set

12-7=5

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