Question

If ξ is the universal set, then prove by using venn diagram

n(A’)= n(ξ) –n(A)​

Answer 1

Step-by-step explanation:

M= {Students who passed Mathematics}

N= {Students who passed English}

n(M)=50,n(N)=60

n(M∩N)=12

n(M∪N)=n(M)+n(N)−n(M∩N)=50+60−12=98

n(U)= n(Passed in Maths or English) + n (Failed in Maths and English)

n(U)=98+2=100

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