EllipseMedium
Question
The tangent at any point on the ellipse 
= 1 meets the tangents at the vertices A, A′ in L and L′. Then AL. A′L′ =
= 1 meets the tangents at the vertices A, A′ in L and L′. Then AL. A′L′ = Options
A.a + b
B.a2 + b2
C.a2
D.b2
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