Convergence of the integral of x^(-p)

MediumCalculus~3m

For which values of pp does the improper integral ∫1∞x−p dx\displaystyle\int_1^\infty x^{-p}\,dx converge?

Show hints (2)+
  1. Find the antiderivative for p≠1p\ne1.
  2. Check whether x1−px^{1-p} stays bounded.

Answer

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p>1p > 1

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