Question

Dibantu no 7 yaa......

Answer 1

PT : QT = 2 : -1
-(PT) = 2QT
-(T - P) = 2(T - Q)
-T + P = 2T - 2Q
-T - 2T = -P - 2Q
-3T = -P - 2Q
T = (P + 2Q)/3
T = ((-1 5 2) + 2.(5 -4 17))/3
T = ((-1 5 2) + (10 -8 34))/3
T = (9 -3 36)/3
T = (3 -1 12)
jadi jawabannya (3, -1, 12)