Through the vertex S of a parabola the chord SP and SQ are drawn at right angles.Show that the straight line PQ intersects the axis at a fixed point?
1 Answer
Mar 10, 2018
See below.
Explanation:
Calling
we have
Also
Developing and substituting dependencies we get
Now solving the intersection of lines
we get
and after substituting de dependencies
we get
but
Attached a plot showing the setup for