Question: If A (a, b, c, d) and B (c, d, e, f, g), then n(A U B)=n((a, b, c, d, e, f, g))=7, n(A)=4,
If A (a, b, c, d) and B (c, d, e, f, g), then n(A U B)=n((a, b, c, d, e, f, g))=7, n(A)=4, n(B) = 5, and n(A n B)=n(c, d)=2. Since 7=4+5-2, this suggests that n(A UB) = n(A)+n(B)-n(An B). Use Venn diagrams to justify th arbitrary finite sets A and B. OA. n(AUB) A B n(AUB) OB. n(AUB) A B n(ANB) C. n(AUB) A B n(ANB) O D. n(AUB) A B n(ANB)
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