Need a surge function integrated help please

Heyy i have this surge function in which i have tried to integrate in many way but cant seem to get the right answer. by my GC the answer should be 764.5.

Please show ur working out so that i can go through and understand it myself the function is pi integration sign from 0 to 3.1 (10xe^{-0.32x})^{2}

Re: Need a surge function integrated help please

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Originally Posted by

**lolo6456** Heyy i have this surge function in which i have tried to integrate in many way but cant seem to get the right answer. by my GC the answer should be 764.5.

Please show ur working out so that i can go through and understand it myself the function is pi integration sign from 0 to 3.1 (10xe^{-0.32x})^{2}

Write your integrand as $\displaystyle \displaystyle \begin{align*} 100x^2e^{-0.64x} \end{align*}$ and use integration by parts.