JEE Main 2019 Mathematics question
The direction ratios of normal to the plane through the points (0, −1, 0) and (0, 0, 1) and making an angle with the plane y − z + 5 = 0 are:
Answer: (C)
Solution
Normal (a, b, −b) with .
The direction ratios of normal to the plane through the points (0, −1, 0) and (0, 0, 1) and making an angle with the plane y − z + 5 = 0 are:
Normal (a, b, −b) with .