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Beliebt Rechnen >

sum from i=0 to infinity of 1/(2^i)

Lösung

i = 0 \sum \infty \frac{1}{2 ^{i}}

Lösung

2

Schritte zur Lösung

i = 0 \sum \infty \frac{1}{2 ^{i}}

Geometrischen Test der Reihe anwenden:

2

= 2

Beliebte Beispiele

sum from n=3 to infinity of 4/(7^n)

n = 3 \sum \infty \frac{4}{7 ^{n}}

sum from n=2 to infinity of 1/(3(2^n))

n = 2 \sum \infty \frac{1}{3 ( 2 ^{n} )}

sum from n=70 to infinity of 3/(n^2+2n)

n = 70 \sum \infty \frac{3}{n ^{2} + 2 n}

sum from k=1 to infinity of (-1/3)^k

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

sum from n=1 to infinity of (3/5)^{n-1}

n = 1 \sum \infty (\frac{3}{5})^{n - 1}