Question

Given A = {2, 4, 6, 8} and B = {3, 4, 5, 6}, determine:
A U B
A ∩ B
Given A = {3, 5, 7, 9} and B = {4, 5, 6, 7}, determine:
A - B
B - A
A ∩ B

Answer 1

Answer:

A U B = {2 , 3 , 4 , 5 , 6 , 8}

A n B = {4 , 6}

A - B = {-1 , 0 , 1 , 2}

B - A = {1 , 0 , -1 , -2}

A n B ={5 , 7}