\(
\begin{array}{l}
\sum\limits_{k = 0}^n {2^k } = 2^{n + 1} - 1 \\
2\sum\limits_{k = 0}^n {3^k } = 3^{n + 1} - 1 \\
4\sum\limits_{k = 0}^n {5^k = 5^{n + 1} - 1} \\
... \\
\left( {p - 1} \right)\sum\limits_{k = 0}^n {p^k = p^{n + 1} - 1} \\
\end{array}
\)
-
Gemaakt met MathType Version 5.2 met Tex - LaTeX 2.09 and later.