locus: PA=ePL
- Author:
- Kai-Yong Lin
- Topic:
- Mathematics
A point P moving in such a manner that distance from given point A is equal to e times of its distance from the given line L.
Determine the locus equation of the moving point P.
動點P至定點A之距離=離心率e*P至直線L之距離,求P之軌跡方程式
Please give it a try:
1. e=1
2. e<1
3. e>1
What kind of curve is it for each case?