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N(a)=30 (aunionb)=50 n(a intersection b)=12 then find n(b)please very urgent if you answer I will mark your answer as best answer please please |
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Answer» Step-by-step EXPLANATION: n(a union B) =n(a) +n(b) -n(a INTERSECTION b) 50= 30+ n(b) -12 50= n(b) +18 n(b) = 50-18=32 |
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