﻿ S and T are the foci of an ellipse and B is an end of the minor axis. If STB is an equilateral triangle, the eccentricity of the ellipse is  : Kaysons Education

S and T are The Foci Of An Ellipse And B is An End Of The Minor Axis. If STB is An Equilateral Triangle, The Eccentricity Of The Ellipse Is

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SIMILAR QUESTIONS

Q1

A tangent to the ellipse x2 + 4y2 = 4 meets the ellipse x2 + 2y2 = 6 at P and Q. Then angle between the tangents at P and Q of the ellipse  x2 + 2y2 = 6 is

Q2

Tangents are drawn to the ellipse  at the end of latus rectum. Find the area of quadrilateral so formed

Q3

The eccentricity of the ellipse which meets the straight line  on the axis of x and the straight line  on the axis of y and whose axes lies along the axes of coordinates is

Q4

The line lx + my + n = 0 is a normal to the ellipse  if

Q5

If the normal at any point P on the ellipse cuts the major and minor axes in G and g respectively and C be the center of the ellipse

Q6

The angle between the pair of tangents drawn from the point (1, 2) to the ellipse 3x2 + 2y2 = 5 is

Q7

The ellipse  cuts x-axis at A and A’ and y-axis at Band B’. The line joining the focus S and B makes an angle  with x-axis. The eccentricity of the ellipse is

Q8

A circle is drawn on the major axis of the ellipse 9x2 + 16y2 = 144 as diameter. The equation of circle is

Q9

The equation  represents an ellipse, if

Q10

The locus of mid-points of focal chords of the ellipse  is