Question

Given these sets:
A = {1, 2, 3, 4}
B = {3, 4, 5, 6, 7}
C = {3, 5, 7, 9}

List the elements of this set
A ∩ (BC)
Do not skip to the answer. Show your work, step by step

Answer 1

What's in between the B and C? Is it a U or is it a ∩ ?

Answer 2

∩

Answer 3

B ∩ C = set of all things common to B and C = {3,5,7}

B ∩ C = {3,5,7}

A ∩ (B ∩ C) = sets of all things common to A and {3,5,7} = {3}


So A ∩ (B ∩ C) = {3}