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Beliebt Rechnen >

sum from n=1 to infinity of (cos(14))^n

Lösung

n = 1 \sum \infty (cos (14))^{n}

Lösung

konvergiert

Schritte zur Lösung

n = 1 \sum \infty (cos (14))^{n}

n = k \sum \infty (a_{n}) = n = 0 \sum \infty (a_{n}) - a_{0} - a_{1} - \dots a_{k - 1}

= n = 0 \sum \infty (cos (14))^{n} - (cos (14))^{0}

n = 0 \sum \infty (cos (14))^{n} =

konvergiert

= konvergiert - (cos (14))^{0}

= konvergiert

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