Question

1. Misal A= {1,2,3} dan B = {2,1,5} , maka (AUB) - A

2.jika H = {2,4,5} , K = {1,4,7} , dan L = {7,5,1} maka (H-K) ∩ L

secepatnyaaaa

Answer 1

A.{1,2,3,5}-{1,2,3}={5}
b.{2,5}irisan{7,5,1}={5}

Answer 2

1.AUB={1,2,3,5}
   (AUB)-A={5}
2.H-K={2,5}
   (H-K)∩L={5}