A parabola has equation and is required to have its latus rectum units long

MATHEMATICS · Single correct · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

A parabola has equation

y^{2}=4ax

and is required to have its latus rectum

10

units long. The value of

a

should be (a)

10

(b)

5

(c)

\dfrac{5}{2}

(d)

\dfrac{5}{4}