November 28, 2015

Homework Help: Math (Cal)

Posted by Angel on Tuesday, February 12, 2013 at 2:53pm.

I having difficulty integrating this
Ingrate (x^3)/sqrt(x^2 - 9)

I know that x= 3sec(theta)
Sqrt(x^2-9)= 3tan(theta)
x^3 = 27Sec^3(theta)

Once I put that all together I'm not sure what to do next.

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