Using distance formula show that the points P(2,4,6),Q(-2,-2,-2) and R(6,10,14) are collinear.

Show that the points A(1,2,7), B(2,6,3) and C(3,10,-1) are collinear.

Show that the points P(2,6),Q(1,2)and R(3,10) are collinear.

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

Show that the points A(1,3,2),B(-2,0,1) and C(4,6,3) are collinear.

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

Show that the points A(1,2,7), B(2,6,3) ਅਤੇ C(3,10,-1) are collinear.

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