Not homework, just trying to learn how to solve this problem for an exam.
Homework Statement
https://dl.dropbox.com/u/23889576/Screenshots/10.png
Homework Equations
\int_{a}^{b} \sqrt { (\frac{dr}{dθ})^2 + r^2 }\, dθ
The Attempt at a Solution
Had much difficulty, could not...
This is not homework but a problem I would like to learn to solve before my exam.
Homework Statement
https://dl.dropbox.com/u/23889576/Screenshots/01.png
Homework Equations
Series Formulae
The Attempt at a Solution
I went about trying to determine a sum formula for the fly's...