Grade 12Algebra
show that the points A(1,0,-6) ,B(-3,6,2) and C(-5,9,6) are collinear
show that the points A(1,0,-6) ,B(-3,6,2) and C(-5,9,6) are collinear
1 Answer
Khimraj
First find line passing through point A and B. If C satisfy it then points are collinear.
A(1,0,-6) and B(-3,6,2)
direction vector (4,-6,-8)
equation of line AB
(x-1)/4 = (y-0)/(-6) = (z+6)/(-8)
It satisfies point C.
so point A,B,C are collinear.
Hope it clears. If you like answer then please approve it.
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