Question

Find the coordinates of the point which divides the line segment joining the points(-3,2,1) and (-8,3,7)

Answer 1

(-3-8)/2=-5.5

(2+3)/2=2.5

(1+7)/2=4

So the coordinates of the midpoint is (-5.5,2.5,4).

Your question seems to be incorrect.

It has to be midpoint.