# im having trouble with this one. thanks for any help

• Apr 2nd 2008, 09:32 AM
waite3
im having trouble with this one. thanks for any help
Find the length of the curve.

x=3y^(3/4) - (3/32)y^(2/3); -8≤y≤216

L=?

thanks for any help
• Apr 2nd 2008, 09:36 AM
Jhevon
Quote:

Originally Posted by waite3
Find the length of the curve.

x=3y^(3/4) - (3/32)y^(2/3); -8≤y≤216

L=?

thanks for any help

are you sure you set up the integral right?

$L = \int_{-8}^{216} \sqrt{1 + [x']^2}~dy$
• Apr 2nd 2008, 09:57 AM
waite3
what do you come out with for an answer because my answer is way off
• Apr 2nd 2008, 10:27 AM
Mathnasium
How did you set up the integral?