Question

If A and B are subsets of a set X, then what is
An (X - B)} U B equal to?
J. AUB (b) AnB (C) A (d) B​

Answer 1

Answer:

suppose x=1,2,3,4,5

A=1,2,3

B=3,4,5

(x-B)UB=

X-B=1,2

so a= 12

AUB=12345

ans is AuB