I need help please

[Guest]

Show using the following equation:
r = letter l/1 + e*cos theta

a)the polar equations for the circle e=0
b)the parabola, e=1
c)the ellipse (0<e<1)
d)the hyperbola e>1


thanks in advance

 

[stapel]

Please review the replies posted to your other thread on this exercise.

Eliz.