Question: answer the following 4. If n(A) = 40, n(B) = 117 and n(AB) = 137, what do you know about n(AB)? 5. Construct a set

answer the following

4. If n(A) = 40, n(B) = 117 and n(AB) = 137, what do you know about n(AB)?

5. Construct a set that is equivalent to set D = {dog, cat, fish, bird, hamster}.

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