# $\eta(1)=\mathop{ln}\nolimits 2$

Since $\zeta(1)=\infty$, $\eta(1)$ cannot be computed as indicated in the Dirichlet eta function entry. $\eta(1)=\ln 2$ which is the alternate harmonic series of order 1.

Title $\eta(1)=\mathop{ln}\nolimits 2$ eta1ln2 2013-03-22 16:10:30 2013-03-22 16:10:30 dextercioby (12657) dextercioby (12657) 5 dextercioby (12657) Example msc 11M41