Diketahui A(2,4,2), B(4,1,-1) dan C(7,0,2)). Jika AP = AC + BC TENTUKAN KOORDINAT P

AP = AC+ BC
p-a = c - a+c - b
p- a= 2c - a - b
p= 2c - a - b + a

p= 2c - b
P = 2(7, 0, 2) - (4, 1, - 1)
P = (14,0 , 4) - (4, 1, -1)
P =(14-4).(0 -1), (4 + 1)
P= (10, -1 , 5)