Keywords: Ln series positive real.svg en Convergence of the series <math> \sum_ k 0 n-1 \frac 2 2k+1 \left \frac x-1 x+1 \right 2k+1 </math> towards <math>\ln x </math> with an increasing number of terms <math>n</math> Own 2009-02-07 Marcel Marnitz completely reworked by Georg-Johann Original Version was created with GeoGebra Actual Version handSVG v Logarithm SVG x-y functions Convergence |