Properties of parabola proving help! (1 Viewer)

[Munkiie]

Please help me with these questions. I don't know how to do it =.=

1. Prove that the tangents at the end of a focal chord are perpendicular.

2. Show that the tangents at the ends of a focal chord interesct on the directrix.

Thanks in advance!

 

[asianese]

 

[Munkiie]

Thank you very much, I understand it now

 

[asianese]

Glad to help.