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If n (A) = 15, n (A ∪ B ) = 29, n (A ⋂ B) = 7 then n (B) = ? |
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Answer» Step-by-step EXPLANATION: 29=15+n(B)-7 29=8+n(B) 29-8=n(B) . n(B)= 21 Follow Me |
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