Question

Find the coordinates of the point where the line through (3,–4,–5) and (2,–3,1) crosses the plane 2x+y+z=7.

(1,−2,7)(5,−6,−17)(0,−1,13)(6,−7,−23)

Answer 1

We know that the equation of the line passing through the point (x₁,y₁,z₁) and (x₂,y₂,z₂) is