JEE Main 2019 Mathematics question
If one end of a focal chord of the parabola, is at (1, 4), then the length of this focal chord is:
Answer: (C)
Solution
a = 4, t = 1/2; length .
If one end of a focal chord of the parabola, is at (1, 4), then the length of this focal chord is:
a = 4, t = 1/2; length .