Question

show that the
points (-1,0,7)(3,2,1) and (5,3,-2)are calliner​

Answer 1

Step-by-step explanation:

The points are taken as A, B,C

now distance between two points is, whole under root (x2-x1) whole square + y2 - y1 whole square.

if the sum of distance AB and distance BC equals to distance AC, then the the three points are collinear.