Question

Find the shortest distance from the point P = (−1, 2, −7 ) to a point on the line given by l: (x,y,z) = (3t, 1t, 3t).

Answer 1

familiar wid cross product ?

Answer 2

I am.

Answer 3

take any two points on given line, lets say :

A = (3, 1, 3)
B = (6, 2, 6)

be any two points on given line

Answer 4

b