Math, asked by yashcool2006, 7 months ago

n(A) = 12, n(A U B) = 23, n(A ∩ B) = 7 then n(B) = ? *

Answers

Answered by Hariamu

0

Answer:

the answer is 18

Step-by-step explanation:

n(aUb)=n(a)+n(b)_n(anb)

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