Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) OA is the perpendicular drawn from center O of the ellipse `x^2/a^2+y^2/b^2=1`, to the tangent at any point P on the ellipse. If the normal drawn to the ellipse at the point P meets the x-axis at B, then (OA).(PB) is equal to - Sarthaks eConnect

OA is the perpendicular drawn from center O of the ellipse `x^2/a^2+y^2/b^2=1`, to the tangent at any point P on the ellipse. If the normal drawn to the ellipse at the point P meets the x-axis at B, then (OA).(PB) is equal to

OA is the perpendicular drawn from center O of the ellipse `x^2/a^2+y^2/b^2=1`, to the tangent at any point P on the ellipse. If the normal drawn to the ellipse at the point P meets the x-axis at B, then (OA).(PB) is equal to

A.

`a^2`

B.

`asqrt(a^2+b^2)`

C.

`b^2`

D.

`bsqrt(a^2+b^2)`