de

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Beliebt Rechnen >

sum from n=0 to infinity of (4/10)^n

Lösung

n = 0 \sum \infty (\frac{4}{10})^{n}

Lösung

\frac{5}{3}

+1

Dezimale

1.66666 \dots

Schritte zur Lösung

n = 0 \sum \infty (\frac{4}{10})^{n}

Geometrischen Test der Reihe anwenden:

\frac{5}{3}

= \frac{5}{3}

Beliebte Beispiele

integral from 2 to 3 of 21t^2

\int_{2}^{3} 21 t^{2} d t

derivative of 4x+12y,12x-3y

\frac{d}{d x} (4 x + 12 y, 12 x - 3 y)

f(r)=6\sqrt[3]{r}

f (r) = 6 3 r

integral of x^2*sin(3x)

\int x^{2} \cdot sin (3 x) d x

limit as x approaches 14 of 7/x+sqrt(x)

x \to 14 lim (\frac{7}{x} + x)