sum from n=0 to infinity of (-5/7)^n

Lösung

n = 0 \sum \infty (- \frac{5}{7})^{n}

\frac{7}{12}

Dezimale

0.58333 \dots

Schritte zur Lösung

n = 0 \sum \infty (- \frac{5}{7})^{n}

Geometrischen Test der Reihe anwenden:

\frac{7}{12}

= \frac{7}{12}

n = 1 \sum \infty \frac{9}{n}

k = 2 \sum \infty \frac{1}{k ln ( k )}

n = 1 \sum \infty cos (\frac{π}{n})

n = 1 \sum \infty \frac{e ^{n}}{n ^{5}}

k = 3 \sum \infty \frac{1}{2 ^{k - 1}}