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If X and Y are two sets such that n(x)=33,n(Y)=42 and n(XUY)=70,then n (X♎Y) is |
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Answer» Step-by-step EXPLANATION: n(X) = 33 n(Y) = 42 n(X∪Y) = 70 n(X∩Y) = n(X) + n(Y) - n(X∪Y) = 33+42-70 =75-70 = 5 |
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