CircleHard
Question
The length of the normal (terminated by the major axis) at a point of the ellipse
= 1 is -
Options
A.b/a (r + r1)
B.b/a |r - r1|
C.b/a 
D.independent of r, r1
More Circle Questions
The angle of intersection of circles x2 + y2 + 8x − 2y − 9 = 0 and x2 + y2 − 2x + 8y − 7 = 0 is ...Let the set of all values of r , for which the circles $(x + 1)^{2} + (y + 4)^{2} = r^{2}$ and $x^{2} + y^{2} - 4x - 2y ...The locus of a point which moves such that the tangents from it to the two circle x2 + y2 − 5x − 3 = 0 and 3...Find the co-ordinates of a point p on line x + y = _ 13, nearest to the circle x2 + y2 + 4x + 6y _ 5 = 0...The equation of a circle which passes through the three points (3, 0) (1, -6), (4, -1) is -...