Home
Class 11
MATHS
Let PQ be a double ordinate of the parab...

Let PQ be a double ordinate of the parabola, `y^2=-4x` where `P` lies in the second quadrant. If `R` divides `PQ` in the ratio `2:1` then teh locus of `R` is

A

`9y^(2)=4x`

B

`9y^(2)= -4x`

C

`3y^(2)=2x`

D

`3y^(2)=-2x`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

PQ is a double ordinate of a parabola y^(2)=4ax. Find the locus of its points of trisection.

Let (x,y) be any point on the parabola y^(2)=4x. Let P be the point that divides the line segment from (0,0) and (x,y) n the ratio 1:3. Then the locus of P is :

PQ is normal chord of the parabola y^(2)=4ax at P(at^(2),2at) .Then the axis of the parabola divides bar(PQ) in the ratio

PQ is a double ordinate of the parabola y^2 = 4ax. If the normal at P intersect the line passing through Q and parallel to axis of x at G, then locus of G is a parabola with -

Let (x, y) be any point on the parabola y^(2) = 4x . Let P be the point that divides the line segment from (0, 0) to (x, y) in the ratio 1 : 3. Then the locus of P is

Let PQ be the focal chord of the parabola y^(2)=8x and A be its vertex. If the locus of centroid of the triangle APQ is another parabola C_(1) then length of latus rectum of the parabola C_(1) is :

Let PQ be a focal chord of the parabola y^(2)=4x . If the centre of a circle having PQ as its diameter lies on the line sqrt5y+4=0 , then length of the chord PQ , is