Respuestas

2012-09-16T07:19:32+02:00

C=(x,y)

BC=3AB


C-B=3(B-A)


(x,y)-(3,3)= 3(5,4)

(x-3,y-3)=(15,12)


x-3=15   x=18


y-3=12   y=15


C=(18,15)