Question

An ellipse is inscribed in a rectangle and
if the angle between the diagonals is
tan ^-1
$2 \sqrt{2}$
then e =
​

Answer 1

Answer:

1/root2. In these type of questions,write first equation given in terms of a,b. Change it in terms of e. Do procedure required to obtain desired.Here, a quad eq comes in e^2 .