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A and B are two sets …

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A and B are two sets such that n(A-B)=14+x,n(B-A)=3xn(Aintersection B)=xdraw a venn diagram to illustrate the information. If n(A)=(B),then find the value of x.
  • 1 answers

Chandrashekhar Wankhede 7 years, 10 months ago

n(A-B) + n(A intersection B) = n(A) = 14+x +x n(B-A) + n( A intersection B) = n(B) = 3x + x But n(A) = n(B) hence x = 7
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