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Suma de la serie x^(2*n-1)*(-1^x)/factorial(2*n-1)



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Solución

Ha introducido [src]
  10                
____                
\   `               
 \     2*n - 1 /  x\
  \   x       *\-1 /
  /   --------------
 /      (2*n - 1)!  
/___,               
n = 1               
$$\sum_{n=1}^{10} \frac{- 1^{x} x^{2 n - 1}}{\left(2 n - 1\right)!}$$
Sum((x^(2*n - 1)*(-1^x))/factorial(2*n - 1), (n, 1, 10))
Respuesta [src]
      3     5     7       9        11          13             15               17                 19        
     x     x     x       x        x           x              x                x                  x          
-x - -- - --- - ---- - ------ - -------- - ---------- - ------------- - --------------- - ------------------
     6    120   5040   362880   39916800   6227020800   1307674368000   355687428096000   121645100408832000
$$- \frac{x^{19}}{121645100408832000} - \frac{x^{17}}{355687428096000} - \frac{x^{15}}{1307674368000} - \frac{x^{13}}{6227020800} - \frac{x^{11}}{39916800} - \frac{x^{9}}{362880} - \frac{x^{7}}{5040} - \frac{x^{5}}{120} - \frac{x^{3}}{6} - x$$
-x - x^3/6 - x^5/120 - x^7/5040 - x^9/362880 - x^11/39916800 - x^13/6227020800 - x^15/1307674368000 - x^17/355687428096000 - x^19/121645100408832000

    Ejemplos de hallazgo de la suma de la serie