Question

if A=(1, 2,3,4),B=(2,3,5,7) then verify the n(AuB) +n(AnB) =n(A) +n(B)

Answer 1

Answer:

n(AuB) +n(AnB) =n(A) +n(B)=8

Step-by-step explanation:

n(A)=4

n(B)=4

AuB={1,2,3,4,5,7}

n(AuB)=6

AnB={2,3}

n(AnB)=2

n(AuB)+n(AnB)=8   n(A)+n(B)=8