- #1

rudransh verma

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- Problem in general eqn of parabola

The general eqn of parabola is ##(x-h)^2=-4a(y-k)##. This is the parabola whose vertex doesn't lie on origin and axis is parallel to y axis. It opens downwards. Vertex is (h,k). What will be the focus of this parabola and what is ##a## in general form?

In the diagram a<0 which is confusing.https://byjus.com/maths/standard-equations-of-parabola/

In the diagram a<0 which is confusing.https://byjus.com/maths/standard-equations-of-parabola/