Sign up ×
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It's 100% free, no registration required.

I need to integrate $ 0.095x^{-0.26}[1-(1+\frac{a}{x})^{-0.2}]$.

However, I am not sure how to multiply the exponents and then integrate it. Am I missing something easy?

share|cite|improve this question
Please make sure I did the LaTeX right. Is it $1+\frac{a}{x}$ or $\frac{1+a}{x}$? – Javier Sep 4 '13 at 18:23
the edit is correct – Jackson Hart Sep 4 '13 at 18:26
by the way, my a = 2592000 – Jackson Hart Sep 4 '13 at 18:52
Do I have to use the binomial theorem? – Jackson Hart Sep 4 '13 at 18:58
The binomial theorem proper only works when the power is a positive integer. You could get a series expansion, but otherwise I doubt this has a closed form. If it was a definite integral, you may be able to relate to the beta function using the substitution $u=\frac{a}{x}$. – Javier Sep 4 '13 at 19:48

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Browse other questions tagged or ask your own question.