# Need answers for these integration problems, i wanna check if i got right answers

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• April 10th 2013, 04:37 PM
lightningzmath
Need answers for these integration problems, i wanna check if i got right answers
evaluate the integral radical x^3, i got answer 2(x^3)^3/2 over 3

evaluate integral x^3-x^2/x^2? how do i do it
• April 10th 2013, 04:51 PM
Prove It
Re: Need answers for these integration problems, i wanna check if i got right answers
Your answer to the first is incorrect. Notice that $\displaystyle \sqrt{x^3} = x^{\frac{3}{2}}$. Apply the power rule.

For the second, simplify $\displaystyle \frac{x^3 - x^2}{x^2} = \frac{x^2 (x - 1)}{x^2} = x - 1$. Surely you can integrate that...
• April 10th 2013, 06:39 PM
lightningzmath
Re: Need answers for these integration problems, i wanna check if i got right answers
thank you very much :D