Question

if
A is a set of factors of 15,
B is a set of prime numbers less than 10
C is a set of even numbers less than 9

then what is
(A union B ) union C

Answer 1

Step-by-step explanation:

A={1,3,5,15}

B={2,3,5,7}

C={2,4,6,8}

So AUBUC= {1,2,3,4,5,6,7,8,15}

Answer 2

we need to find this. method by usig AXB n BXA by writing set factors of 15 prime 10even 9