Jawabanmu

2014-04-18T09:12:22+07:00
A= 3 b=2 c=c d= d 1. x1+x2+x3= -b/a = -2/3 2. x1.x2+x1.x3+x2.x3= c/a =c/3 3. x1.x2.x3= -d/a = -d/3