Question

Find A ∩ B if A = {3, 6, 9, 12} and B = {2, 4, 6, 8, 10, 12}.

{24, 48}
{6, 12}
{2, 3, 4, 6, 8, 9, 10, 12}

Answer 1

`A=\{3;\ \boxed{6};\ 9;\ \boxed{12}\}\\\\B=\{2;\ 4;\ \boxed{6};\ 8;\ 10;\ \boxed{12}\}\\\\A\ \cap\ B=\{\boxed{6};\ \boxed{12}\}`

Answer: {6; 12}