Question

Given A = {1, 2, 3}, B = {2, 4, 6} and C = {1, 2, 3, 4, 5, 6}, then A ∩ (B ∩ C) = _____.

Answer 1

Hello,

B⊂C ==>B∩C=B
A∩(B∩C)=A∩B={2}

Answer 2

Solutions

We are given

A = {1, 2, 3},

B = {2, 4, 6}

C = {1, 2, 3, 4, 5, 6},

Solve for A ∩ (B ∩ C) =

B⊂C ⇒ B∩C=B

A∩(B∩C)=A∩B={2}