Elements of parabola \(y^2=4ax\) for JEE

Formula

\(\text{Vertex}=(0,0),\ \text{Focus}=(a,0),\ \text{Directrix}: x=-a,\ \text{Axis}: y=0,\ \text{Length of latus rectum}=4a\)

Variables: \(a>0\).

Focus-directrix, tangent/normal, chord problems.