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Suma de la serie sqrt(1-(2n-1/2n))*1/n



=

Solución

Ha introducido [src]
  20                     
_____                    
\    `                   
 \         ______________
  \       /            n 
   \     /  1 + -2*n + - 
   /   \/              2 
  /    ------------------
 /             n         
/____,                   
n = 1                    
$$\sum_{n=1}^{20} \frac{\sqrt{\left(- 2 n + \frac{n}{2}\right) + 1}}{n}$$
Sum(sqrt(1 - 2*n + n/2)/n, (n, 1, 20))
Respuesta [src]
    ____       ____       ____       ____       ____       ____       ____       ____       _____         ____         ____          ___           ___
I*\/ 11    I*\/ 17    I*\/ 38    I*\/ 23    I*\/ 29    I*\/ 62    I*\/ 74    I*\/ 86    I*\/ 110    4*I*\/ 14    7*I*\/ 26    11*I*\/ 5    278*I*\/ 2 
-------- + -------- + -------- + -------- + -------- + -------- + -------- + -------- + --------- + ---------- + ---------- + ---------- + -----------
   8          12         14         16         20         22         26         30          38          15           45           28           153    
$$\frac{\sqrt{29} i}{20} + \frac{\sqrt{110} i}{38} + \frac{\sqrt{23} i}{16} + \frac{\sqrt{86} i}{30} + \frac{\sqrt{74} i}{26} + \frac{\sqrt{17} i}{12} + \frac{\sqrt{62} i}{22} + \frac{\sqrt{11} i}{8} + \frac{\sqrt{38} i}{14} + \frac{7 \sqrt{26} i}{45} + \frac{11 \sqrt{5} i}{28} + \frac{4 \sqrt{14} i}{15} + \frac{278 \sqrt{2} i}{153}$$
i*sqrt(11)/8 + i*sqrt(17)/12 + i*sqrt(38)/14 + i*sqrt(23)/16 + i*sqrt(29)/20 + i*sqrt(62)/22 + i*sqrt(74)/26 + i*sqrt(86)/30 + i*sqrt(110)/38 + 4*i*sqrt(14)/15 + 7*i*sqrt(26)/45 + 11*i*sqrt(5)/28 + 278*i*sqrt(2)/153
Respuesta numérica [src]
8.28040248151697982689639166168*i
8.28040248151697982689639166168*i

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