Home
Class 12
MATHS
If vertex of parabola is (2,-1) and equa...

If vertex of parabola is `(2,-1)` and equation of its directrix is `4x-3y=21` , then the length of latus rectum is

A

2

B

8

C

12

D

16

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

If the focus of a parabola is (3,3) and its directrix is 3x-4y=2 then the length of its latus rectum is

The equation of directrix of a parabola is 3x+4y+15=0 and equation of tangent at vertex is 3x+4y-5=0, Then the length of latus rectum is equal to

The vertex of a parabola is at (4,3) and directrix is x-y+1=0. Then the equation of its latus rectum is

Let y=3x-8 be the equation of the tangent at the point (7, 13 ) lying on a parabola whose focus is at (-1,-1). Find the equation of directrix and the length of the latus rectum of the parabola.

find the coordinates of the point of intersection of the axis and the directrix of the parabola hose focus is (3,3) and directrix is 3x-4y=2. Find also the length of the latus rectum.

The equation of the latus rectum of a parabola is x+y=8 and the equation of the tangent at the vertex is x+y=12 .Then find the length of the latus rectum.

Find the coordinates of the focus,axis of the parabola,the equation of the directrix and the length of the latus rectum.x^(2)=6y

Find the coordinates of the focus,axis of the parabola,the equation of the directrix and the length of the latus rectum.y^(2)=10x

Find the coordinates of the focus,axis of the parabola,the equation of the directrix and the length of the latus rectum.y^(2)=-8x'