Question

If n (A) = 17, n(B) = 23, n(AUB)=38, Find n(AnB
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Answer 1

Answer

We know,

n(A∩B)=n(A)+n(B)−n(A∪B)

n(A∩B)=17+23−38=2

Answer 2

Step-by-step explanation:

n(AnB) = n(A)+n(B) - n(AUB)

=> n(A n B) = 17+23 - 38 = 2

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