Question

Himpunan penyelesaian dari y+x=2,x,y E {0,1,2} adalah..

Answer 1

Y = 2-x

jika x = 0, maka y = 2-0.
= 2 ===> {0,2}
jika x = 1, maka y = 2-1 = 1 ===> {1,1}
jika x = 2, maka y = 2-2 =0 ===> {2,0}

HP {(0,2),(1,1),(2,0)}