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September 17, 2014

September 17, 2014

Posted by **Beth** on Thursday, April 25, 2013 at 11:19am.

(t^3+4)^-2 t^2

On this should I use u on the parenthesis and should I put this into a natural log?

- Calculus -
**Steve**, Thursday, April 25, 2013 at 11:49amif you let

u = t^3+4 then

du = 3t^2 dt

Now your integrand becomes

u^-2 (du/3) = 1/3 u^-2 du

that should be a cinch.

- Calculus -
**Beth**, Thursday, April 25, 2013 at 12:03pmYes, had just finished getting it! Thanks!

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