EllipseHard
Question
If PSQ is a focal chord of the ellipse 
= 1, a > b, then the harmonic mean of SP and SQ is
= 1, a > b, then the harmonic mean of SP and SQ isOptions
A.
B.
C.
D.
More Ellipse Questions
If any tangent to the ellipse = 1 intercepts lengths h and k on the axes, then-...If S and T are foci of the ellipse = 1 and B is an end of the minor axis. If STB is an equilateral triangle the eccentri...If the eccentricity of an ellipse be 5/8 and the distance between its foci be 10, then its latus rectum is -...If |z - 3 - i| + |z - 1 - 3i| = 3, then locus of z in argand plane is -...PQ is a double ordinate of the ellipse x2 + 9y2 = 9, the normal at P meets the diameter through Q at R, then the locus o...