Using section formula, show that the points A(1, 2, 1), B(2, 1, 0) and `c(7/5, 8/5, 3/5)` are
collinear.

By using section formula, show that the points .(1, 2, 3), (-2, 4, 2) and (7, -2, 5) are colinear

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

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

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

Applying section formulae show that the points A(4 , 7 , -6) , B ( 2, 5 , - 4) and C (1 , 4 , -3) are collinear .

Using distance formula, show that the points A(-3, 2, 4), B(- 1, 5, 9) and C (1, 8, 14) are collinear.

(i) Using section formula, show that the points A(-2, 3,5), B(1,2,3) and C(7,0,-1) are collinear. (ii) Using division formula, prove that the points (2,3,4),(-1,-2,1) and (5,8,7) are collinear.

Using section formula show that the points (1,-1), (2, 1) and (4, 5) are collinear.