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((((-1)^(n))*((0.91)^(2n+1)))/((n+1)*(n+2)))*cos(n*((pi)/(6)))

Suma de la serie ((((-1)^(n))*((0.91)^(2n+1)))/((n+1)*(n+2)))*cos(n*((pi)/(6)))



=

Solución

Ha introducido [src]
 132                               
_____                              
\    `                             
 \                2*n + 1          
  \        n / 91\                 
   \   (-1) *|---|                 
   /         \100/           /  pi\
  /    ------------------*cos|n*--|
 /      (n + 1)*(n + 2)      \  6 /
/____,                             
n = 1                              
n=1132(1)n(91100)2n+1(n+1)(n+2)cos(nπ6)\sum_{n=1}^{132} \frac{\left(-1\right)^{n} \left(\frac{91}{100}\right)^{2 n + 1}}{\left(n + 1\right) \left(n + 2\right)} \cos{\left(n \frac{\pi}{6} \right)}
Sum((((-1)^n*(91/100)^(2*n + 1))/(((n + 1)*(n + 2))))*cos(n*(pi/6)), (n, 1, 132))
Velocidad de la convergencia de la serie
1.07.01.52.02.53.03.54.04.55.05.56.06.5-0.125-0.075
Respuesta [src]
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Respuesta numérica [src]
-0.0858331883786622585613960631975
-0.0858331883786622585613960631975
Gráfico
Suma de la serie ((((-1)^(n))*((0.91)^(2n+1)))/((n+1)*(n+2)))*cos(n*((pi)/(6)))

    Ejemplos de hallazgo de la suma de la serie