Question

i. If A and B are two sets such that n(A)= 20, n(B)= 16, n(AU B)= 30, then n(A B ) is a. 4 b. 6 c. 5 d. 3​

Answer 1

Answer:

(AUB)=(A)+(B)-(A intersection B)

30=20+16-(A B)

(A B)=6

Step-by-step explanation:

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