- #1
zacman2400
- 9
- 0
Homework Statement
find the arc length
x=2e^t, y=e^-t, z=2t
Homework Equations
The Attempt at a Solution
dr/dt=2e^ti-e^-tj+2
ds/dt=sqrt((4e^2t)+(e^-2t)+4)) dt
=integral from 0 to 1 sqrt(4e^4t+4e^2t+1)/e^t
sorry about the lack of latex, I have no idea how to integrate this function