Question

a and b are disjoint sets such that n (a)=4 and n(b)=6 find n (AUB)​

Answer 1

Answer:

Given,

A and B are disjoint sets

n(a)=4

n(b)=6

let,

A=1,2,3,4

B=5,6,7,8,9,10

n(AUB)=(1,2,3,4) U (5,6,7,8,9,10)

n(AUB)=(1,2,3,4,5,6,7,8,9,10)