Question

If n (A) = 14; (AUB) = 31; n (AnB=6 them n (B) =?​

Answer 1

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Answer 2

Answer:

n(B)=23

Step-by-step explanation:

n(A)=14

n(AUB)=31

n(A intersection B) =6

n(B)=?

n(AUB)=n(A)+n(B)–n(A intersection B)

31 =14+n(B)–6

31= 8+n(B)

31–8=n(B)

23=n(B)

.°. n(B)=23

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