Question

6)
If A and B are subsets of the universal set X
and n(X) = 50, n(A) = 35, n(B) = 20,
n(A'B') = 5, find
i) n (AUB) ii) n(ANB) iii) n(A'NB)
iv) n(ANB')​

Answer 1

Explanation:

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