Integrals

• November 28th 2012, 03:21 AM
simon24
Integrals
Determine the following integrals:
x(x+2)7/2dx

Would I use the substitution method making U= x+2 therefore the derivative of that is just 1 and then continue on? Or am I completely on the wrong track!
• November 28th 2012, 03:45 AM
MarkFL
Re: Integrals
That would be a good substitution, as it will give you:

$\int (u-2)u^{\frac{7}{2}}\,du$

Now, distribute and integrate, then back-substitute for $u$.
• December 13th 2012, 10:34 AM
jason403
Re: Integrals
any idea to solve this:
• December 13th 2012, 10:37 AM
skeeter
Re: Integrals
Quote:

Originally Posted by jason403
any idea to solve this: