yang nomer 2 ya.. tolong
Matematika
BrianForest
Pertanyaan
yang nomer 2 ya.. tolong
1 Jawaban
-
1. Jawaban whongaliem
Px = (3 .3 + 2 .3) / (2 + 3)
= (9 + 6) / 5
= 15/5
= 3
Py = (3 .1 + 2 (-4)) / (2 + 3)
= (3 - 8) / 5
= - 5 / 5
= - 1
Pz = (3 . -4 + 2 . 6) / (2 + 3)
= (- 12 + 12) / 5
= 0 / 5
= 0
P (3 , - 1 , 0)
⇒
PC = c - p
= {( - 1 - 3) , (5 - - 1) , (4 - 0 )}
= (- 4 , 6 , 4) .... tak terdapat dalam option