A = {1, 3, 5, 7, 9} B = {1, 2, 3, 4, 5, 6} (A U B) - (A ∩ B) =? // I'm a little confuse

Question

Choices

a. {1, 2, 4, 6, 7, 9}

b. {3. 5}

c. {2, 4, , 6, 7, 9}

d. {1, 2, 3, 4, 5, 6, 7, 9}

Answer 1

A∪B={1,2,3,4,5,6,7,9}∩

A∩B={1,3,5}

So, A-B={2,4,6,7,9}