Puzzle time - internet meme edition
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The Dirichlet integral? Nice
The usual Dirichlet integral has value Pi/2, but there's a factor of 10 in there, so I assume it's 10 Pi / 2 or 5 Pi. That said, I'm not so familiar with the rules for improper integrals, so I'm not quite sure whether it's OK to pull the "crab" factor out of the integral.
