- #1
suporia
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Not homework, just trying to learn how to solve this problem for an exam.
https://dl.dropbox.com/u/23889576/Screenshots/10.png
\int_{a}^{b} \sqrt { (\frac{dr}{dθ})^2 + r^2 }\, dθ
Had much difficulty, could not even derive the original derivative function for this problem.
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 even derive the original derivative function for this problem.
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