﻿ Find the equation of the hyperbola whose directrix is 2x + y = 1, focus (1, 2) and eccentricity .  : Kaysons Education

# Find The Equation Of The Hyperbola Whose Directrix Is 2x + y = 1, Focus (1, 2) And Eccentricity .

#### Video lectures

Access over 500+ hours of video lectures 24*7, covering complete syllabus for JEE preparation.

#### Online Support

Practice over 30000+ questions starting from basic level to JEE advance level.

#### National Mock Tests

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

#### Organized Learning

Proper planning to complete syllabus is the key to get a decent rank in JEE.

#### Test Series/Daily assignments

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

## Question

### Solution

Correct option is

Let P(xy) be any point on the hyperbola. Draw PM perpendicular from Pon the directrix.

Then by definition        SP = ePM

#### SIMILAR QUESTIONS

Q1

To find the equation of the hyperbola from the definition that hyperbola is the locus of a point which moves such that the difference of its distances from two fixed points is constant with the fixed point as foci.

Q2

Find the eccentricity of the hyperbola whose latus rectum is half of its transverse axis.

Q3

Find the equation of the hyperbola whose foci are (6, 4) and (–4, 4) and eccentricity is 2.

Q4

Obtain the equation of a hyperbola with coordinate axes as principal axes given that the distances of one of its vertices from the foci are 9 and 1 units.

Q5

The foci of a hyperbola coincide with the foci of the ellipse . Find the equation of the hyperbola if its eccentricity is 2.

Q6

For what value of λ does the line y = 2x + λ touches the hyperbola

Q7

Find the equation of the tangent to the hyperbola x2 – 4y2 = 36 which is perpendicular to the line x – y + 4 = 0.

Q8

Find the equation and the length of the common tangents to hyperbola

Q9

Find the locus of the foot of perpendicular from the centre upon any normal to the hyperbola .

Q10

Find the locus of the mid-points of the chords of the hyperbola  which subtend a right angle at the origin.