Tolong dibantu , Pleasejangan ngasal yathanks^^​

Jawaban:

1. a.^

b. B n D = {3, 5, 7}

D n B = {3, 5, 7}

B u D = {1, 3, 5, 7, 9, 11, 13}

D u B = {1, 3, 5, 7, 9, 11, 13}

2. a. A irisan B = {3,5}

A gabungan B = {1,2,3,5,6,7,8,9}

b. C irisan D = {3}

C gabungan D = {1,2,3,4,6,9,12}

c. E irisan F = {a,c,e,g}

E gabungan F = {a,b,c,d,e,f,g,i}

d. G irisan H = {a,i,m,r,t}

G gabungan H = {a,i,m,r,t}

e. I irisan J = {6}

I gabungan J = {2,3,4,6,8,9,10,12,15}