利用者:Linguae/サンドボックス

$\blacktriangleright$　<math>\blacktriangleright</math>

$\color {red}\blacktriangleright$　 <math>\color{red}\blacktriangleright</math>

$\color {blue}\blacktriangleright$　 <math>\color{blue}\blacktriangleright</math>　

▶　 <span style="color:red;font-size:20px;">▶</span>　

▶　 <span style="color:blue;font-size:20px;">▶</span>　

$\color {red}Ineversaw\color {black}awild\color {gray}thingsorry\color {yellow}for\color {red}itself.$

$\color {blue}Ineversawawildthingsorryforitself.$

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• The sum of the real or complex power series
  

     $\sum _{n=1}^{\infty }{{(-1)^{n-1}} \over {(2n-1)!}}x^{2n-1}=x-{1 \over 6}x^{3}+{1 \over 120}x^{5}-{1 \over 5040}x^{7}+...$

where x is in radians.

ℒ

1. mathematics an integral transform of positive real function $f(t)$ to a complex function $F(s)$; given by: Functions

   $F(s)=\int _{0}^{\infty }f(t)e^{-st}\,dt.$

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