Question

Given X = {15, 22, 33, 44, 89, 165, 1025} and Y = {-5, 15, 33, 88, 99, 150, 160, 1025}, which of the following statements is false?


X U Y = {-5, 15, 22, 33, 44, 89, 99, 150, 160, 165, 1025}
X ∩ Y = {15, 33, 1025}
Ø c (X U Y)

Answer 1

A is false.
C is true.It is always true.
B is true too...
but A is not true.
X U Y = {15,22,33,44,89,165,1025,-5,88,99,150,160,}