Question

HELP my teacher gave me a hard problem

Answer 1

use a hard pencil H6

Answer 2

Using polar equations, derive the formulas for the focal width of an ellipse and the focal width of a hyperbola.Begin by defining focal width for these conics in a manner analogous to the definition of the focal width of a parabola.

Answer 3

http://en.wikipedia.org/wiki/Conic_section#Polar_coordinates

Answer 4

all conics have same equation in polar form. BTW what is focal width???

Answer 5

could you prove it for me?
focal width is the principal, main, or most important width

Answer 6

the distance between two foci??

Answer 7

for this question yes :/