Question

. If N(A) = 18 n(AUB)=30, n(B) =22, find n (AÚB)​

Answer 1

Answer:

mention QUESTION properly it should be (A intersection B)

Step-by-step explanation:

we know that

AUB=n(A)+n(B)-(Ainter.B)

30 =18+22-(Ainter.B)

30-40=-(Ainyer.B)

AinterB=10

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