Find the di

Equation of line through the point A (3, – 4, – 5) and B (2, – 3, 1) is

⇒

⇒

Substituting these in the plane equation, We get

2(– r + 3) + (r – 4) + (6r – 5) = 7

⇒ r = 2

⇒ x = 1, y = – 4, z = 7

Distance of (1, – 2, 7) from (3, 4, 4) is

=

= 7