Exercise
Evaluate:
\[
\intop_0^\infty \frac{x^3}{e^x - 1}\text{d} x\; .
\]
TeM ha scritto:gugo82 ha scritto:Abramowitz & Stegun?
Honestly I didn't know anything of this "Bible" (I peeked just now on the net...)!!
TeM ha scritto:The idea for the series came to me reviewing some similar example that our professor of
analysis mathematics showed us in his "insights for the most curious", while for all the rest
(as was ever mine wont) the source is mathworld.wolfram.com.
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