Question

The equation of normal at the point  to the parabola y2 = 4ax, is

Solution

Correct option is

4x + 8y – 9a = 0

                     y2 = 4ax                      … (1)    

take 

(1)    

Equation of normal at P is 

        4x + 8y – 9a = 0.

SIMILAR QUESTIONS

Q1

From the point (–1, 2) tangent lines are drawn to the parabola y2 = 4x, then the equation of chord of contact is

Q2

For the above problem, the area of triangle formed by chord of contact and the tangents is given by

Q3

A point moves on the parabola y2 = 4ax. Its distance from the focus is minimum for the following value(s) of x.

Q4

The line x – y + 2 = 0 touches the parabola y2 = 8x at the point

Q5

If t is the parameter for one end of a focal chord of the parabola y2 = 4ax, then its length is

Q6

The point on the parabola y2 = 8x at which the normal is inclined at 600 to the x-axis has the coordinates

Q7

The length of the latus rectum of the parabola 9x2 – 6x + 36y + 19 = 0 is

Q8

The equation of a circle passing through the vertex the extremities of the latus rectum of the parabola y2 = 8x  is

Q9

If the parabola y2 = 4ax passes through the pint (1, –2), then the tangent at this point is

Q10

The equation of tangent at the point (1, 2) to the parabola y2 = 4ax, is