JEE Main 2019 Mathematics question
If the line, meets the plane, x + 2y + 3z = 15 at a point P, then the distance of P from the origin is:
Answer: (D)
Solution
5 + 20λ = 15 ⇒ λ = 1/2, P(2, 1/2, 4); OP = .
If the line, meets the plane, x + 2y + 3z = 15 at a point P, then the distance of P from the origin is:
5 + 20λ = 15 ⇒ λ = 1/2, P(2, 1/2, 4); OP = .