Question

Find AUB,AnB if A={2,6,10,14} , B={2,5,14,16}​

Answer 1

Step-by-step explanation:

n(a-b) =n(a)-n(anb)

And, n(b-a) =n(b)-n(anb)

Again from vendiagram we get 1 formula

n(aub)=n(a-b)+n(b-a)+n(a-b)

n(aub)=n(a)+n(b)-n(anb) [putting the value of n(a-b), n(b-a) ]

Hence proved.