Determine the distance between the point P(1,2,3) and the line 3x-4z-1=0. I got 2 but I don't know if it is correct.

Answer 1

First, 3x-4z-1=0 is a plane parallel to the y-axis. The distance is
|3*1+0-4*3-1|/√(3^2+0^2+4^2) = 10/5 = 2
You are correct

Answer 2

ok thank you