diketahui A (1,2,4) , B (5,3,6) dan C (13,5,p) segaris. nilai p =
Matematika
jjen
Pertanyaan
diketahui A (1,2,4) , B (5,3,6) dan C (13,5,p) segaris. nilai p =
1 Jawaban
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1. Jawaban 18Navillera
AB
= B - A
= (4,1,2)
BC
= C - B
= (8,2,p-6)
segaris, maka
AB = k.BC
(4,1,2) = k.(8,2,p-6)
8k = 4
k = 1/2
maka
1/2 (p-6) = 2
p - 6 = 4
p = 10