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Let $I=\displaystyle\int_{0}^{+\infty}\dfrac{dx}{x^2+x^a}$.

I need to find all $a$ such that $I$ converges.

Please help me!

  • 3
    One, why so hectic? Two, you show no work and it looks like you are assigning us homework. Three, this is generally not useful to anyone, including yourself, unless you give us something. -12012-12-18
  • 0
    What happens with [this question](http://math.stackexchange.com/q/246320/6179) of yours?2012-12-18

2 Answers 2