Leonhard Euler · 1748 · Internet Archive
Introductio in analysin infinitorum
All 320 leaves · leaf 216
Transcription
LIB. I. 188 DE SERIEBUS
si fuerit terminus generalis futurus fit
$n = 6m+0$ $(\frac{nn}{12} + \frac{n}{2} + 1) z^n$
$n = 6m+1$ $(\frac{nn}{12} + \frac{n}{2} + \frac{5}{12}) z^n$
$n = 6m+2$ $(\frac{nn}{12} + \frac{n}{2} + \frac{2}{3}) z^n$
$n = 6m+3$ $(\frac{nn}{12} + \frac{n}{2} + \frac{3}{4}) z^n$
$n = 6m+4$ $(\frac{nn}{12} + \frac{n}{2} + \frac{2}{3}) z^n$
$n = 6m+5$ $(\frac{nn}{12} + \frac{n}{2} + \frac{5}{12}) z^n$
Sic, si fuerit $n=50$, valet forma $n=6m+2$, eritque terminus Seriei $= 2342\frac{5}{6}$.
EXEMPLUM II.
Ex fractione $\frac{1+z+zz}{1-z-z^4+z^5}$ oritur
[TRUNCATED]
This text was produced by machine and has not been corrected by hand. Where it matters, read the scan. Confidence is the model's own, not an external check.