Question

If  touches the ellipse , then its eccentricity angle θ is equal to

Solution

Correct option is

450

  

           

    

               … (2)

                … (3)

Combine (2) and (3)

SIMILAR QUESTIONS

Q1

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

Q2

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

Q3

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

Q4

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

Q5

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

Q6

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

Q7

The equation  represents an ellipse, if

Q8

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 

Q9

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

Q10

If the polar with respect to the parabola y2 = 4ax touches the ellipse , then the locus of its pole is