JEE Main 2019 Mathematics question
The length of the perpendicular drawn from the point (2, 1, 4) to the plane containing the lines and is:
Answer: (D)
Solution
Normal ∝ (−1, 1, 1): plane −x + y + z = 0; distance |−2 + 1 + 4|/√3.
The length of the perpendicular drawn from the point (2, 1, 4) to the plane containing the lines and is:
Normal ∝ (−1, 1, 1): plane −x + y + z = 0; distance |−2 + 1 + 4|/√3.