Jika a = {x l 1 < x < 10,x e bilangan cacah} dan B = {x l x

Jika a = {x l 1 < x < 10,x e bilangan cacah} dan B = {x l x < 10,x e bilangan prima} , maka A n B = .... A {2,3,5, 7} B {3,5,7, 9} C {2,3,5,7, 9} D {2,3,4,5,6,7,8, 9}