# 2nd fund. theorem question on specific part

• September 29th 2009, 10:29 AM
janedoe
2nd fund. theorem question on specific part
http://i34.tinypic.com/2gw57qs.jpg

it's all in there^

Thank you!
• September 29th 2009, 03:10 PM
skeeter
$u$ and $v$ are functions of $x$ ...

$\frac{d}{dx} \left[\int_v^u f(t) \, dt\right] = f(u) \cdot u' - f(v) \cdot v'$
• September 30th 2009, 07:16 AM
janedoe
thanks, i got one of the answers now--54x^2