jika A(1,2,3),B(-1,4,8)danC(5,p,q)kolinear tentukan nilai 2pq? terima kasih

vektor AB= m.vektor BC
-1-1
4-2= M. (5-(-1)=-2. -6m
8-3. (p-4) 2= mp-4m
(q-8) 5. mq-8m
[tex]2pq = 2 \times 4 \times 8 = 64[/tex]

m=-6/-2=3
mp-m4=3.p-3.4=p=12/3=4
mq-m8=3.q-3.8=q=24/3=8
jadi 2pq=2×4×8=64