Prove that the points `A(2,0,-3), B (1,-2,-5)` and `C(3,2,-1)` are collinear.

Using direction ratios show that the points A(2,3,-4), B(1,-2,3) and C(3,8,-11) are collinear.

Show that the points A (-2,3,5), B (1,2,3) and C (7,0,-1) are collinear.

Using the section formula, prove that the three points A(-2,3,5),B(1,2,3) and C(7,0,-1) are collinear.

Using section formula, prove that the three points A (-2,3,5), B (1,2,3) and C (7,0,-1) are collinear.

i. Prove that the points vec a-2vec b+3vec c, 2vec a+3vec b-4vec c and -7vecb+10 vec c are are collinear, where vec a, vec b, vec c are non-coplanar. ii. Prove that the points A(1,2,3), B(3,4,7), and C(-3,-2,-5) are collinear. find the ratio in which point C divides AB.

i. Prove that the points veca - 2vecb + 3 vecc, 2 veca + 3vecb- 4 vecc and -7 vecb + 10 vecc are collinear, where veca, vec b and vecc are non-coplanar. ii. Prove that the points A(1, 2, 3), B(3,4, 7) and C(-3, -2, -5) are collinear. Find the ratio in which point C divides AB.

Show that the points A (2, 3, -4) , B (1, - 2, 3) and C (3, 8, -11) are collinear.

Prove by using the distance formula that the points A (1,2,3), B (-1, -1, -1) and C (3,5,7) are collinear.

Using section formula, show that the points A (2, -3, 4) , B (-1, 2, 1) and C(0,1/3,2) are collinear.

Show that the point A(1,-1,3), B(2,-4,5) and C(5,-13,11) are collinear.