Question

iii) IfA= {1,2,3,4}, B = {2,3,4,5} and C = {4,5,6,7)
then find the value of(AUB) UC​

Answer 1

Answer:

A = (1,2,3,4)

B = (2,3,4,5)

C = (4,5,6,7)

Now,

A union B = (1,2,3,4,5)

Again,

(A union B) union C = (1,2,3,4,5) union (4,5,6,7)

= (1,2,3,4,5,6,7)