0
$\begingroup$

I'm stuck on the follow practice problem, can anyone help:

Prove that: $\lim_{R\to\infty} \int_{0}^{R} \cos{x} /(1+x) dx = \int_{0}^{\infty} \sin{x} /(1+x)^2$ dx

  • 0
    Integrate by parts.2012-12-12
  • 0
    As it's a high level course I thought i mignt require something more interesting and didn't even think to try that. I'll give it a go, cheers2012-12-12
  • 0
    It works, thanks2012-12-12

1 Answers 1