can someone please take me through the proof of kepler's first law...using calc 3 material?

Question

i have to present this in a week... and i jus need someone to take me throuh the proof of kepler's first law... and any websites that would also help would be great

Answer 1

http://www.alcyone.com/max/physics/kepler/

As a bonus, it takes you through the proofs of all of Kepler's laws (not just the astronomical ones)

Enjoy