tolong jawab no 2 dan 3

2 
a. P={1,2,3,4,5,6,7}
b. Q={2,3,5}
c. S={2,3,5}
d. S ={1,2,3,4,5,6,7}
e. S= {1,4,6,7}

no 3.
a. A={a,b,c,d,e,f,g,m}
b. S={c,e,g,m}
c. S={h,i,j,k,f}
d. S={c,g}
e. S={h,i,j,k,u,y,w}