JEE Main 2019 — Parabola Question with Solution
From: JEE Main 2019 (Online) 12th January Evening Slot
Question
The equation of a tangent to the parabola, x2
= 8y, which makes an angle with the positive directions of x-axis, is :
Choose an option
Show full solutionCorrect option: C
Correct answer
Cx = y cot + 2 tan
Step-by-step explanation
x2 = 8y
x1 = 4tan
y1 = 2 tan2
Equation of tangent :-
y 2tan2 = tan (x 4tan )
x = y cot + 2 tan
x1 = 4tan
y1 = 2 tan2
Equation of tangent :-
y 2tan2 = tan (x 4tan )
x = y cot + 2 tan
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