24 ques .plz provide detailed complete solution 24.
c 4.11
(D) + b2y2 =
PQ is variable chord of the ellipse
2
x
a
the
= 1 . If PQ subtends a right angle at
1
1
center of the ellipse then
op2 OQ2 '
being the origin) is equal to
1
b2
2
(D) 2 -1-+2
2
x
If the normals to the ellipse at
a
the extremities of the
chords and
px + qy = 1 are concurrent,
then
(A)
