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Suma de la serie (-1/2)^n*((x-3)^(n+1)/(n+1))



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Solución

Ha introducido [src]
  oo                    
____                    
\   `                   
 \                 n + 1
  \       n (x - 3)     
  /   -1/2 *------------
 /             n + 1    
/___,                   
n = 1                   
n=1(12)n(x3)n+1n+1\sum_{n=1}^{\infty} \left(- \frac{1}{2}\right)^{n} \frac{\left(x - 3\right)^{n + 1}}{n + 1}
Sum((-1/2)^n*((x - 3)^(n + 1)/(n + 1)), (n, 1, oo))
Respuesta [src]
    //        /              /  1   x\\                        \     //        /              /  1   x\\                        \
    ||        |         8*log|- - + -||                        |     ||        |         8*log|- - + -||                        |
    ||/3   x\ |  4           \  2   2/|                        |     ||/3   x\ |  4           \  2   2/|                        |
    |||- - -|*|------ - --------------|  for And(x <= 5, x > 1)|     |||- - -|*|------ - --------------|  for And(x <= 5, x > 1)|
    ||\4   4/ |-3 + x             2   |                        |     ||\4   4/ |-3 + x             2   |                        |
    ||        \           (-3 + x)    /                        |     ||        \           (-3 + x)    /                        |
    ||                                                         |     ||                                                         |
    ||        oo                                               |     ||        oo                                               |
- 3*|<      ____                                               | + x*|<      ____                                               |
    ||      \   `                                              |     ||      \   `                                              |
    ||       \        n         n                              |     ||       \        n         n                              |
    ||        \   -1/2 *(-3 + x)                               |     ||        \   -1/2 *(-3 + x)                               |
    ||        /   ---------------              otherwise       |     ||        /   ---------------              otherwise       |
    ||       /         1 + n                                   |     ||       /         1 + n                                   |
    ||      /___,                                              |     ||      /___,                                              |
    ||      n = 1                                              |     ||      n = 1                                              |
    \\                                                         /     \\                                                         /
x({(34x4)(4x38log(x212)(x3)2)forx5x>1n=1(12)n(x3)nn+1otherwise)3({(34x4)(4x38log(x212)(x3)2)forx5x>1n=1(12)n(x3)nn+1otherwise)x \left(\begin{cases} \left(\frac{3}{4} - \frac{x}{4}\right) \left(\frac{4}{x - 3} - \frac{8 \log{\left(\frac{x}{2} - \frac{1}{2} \right)}}{\left(x - 3\right)^{2}}\right) & \text{for}\: x \leq 5 \wedge x > 1 \\\sum_{n=1}^{\infty} \frac{\left(- \frac{1}{2}\right)^{n} \left(x - 3\right)^{n}}{n + 1} & \text{otherwise} \end{cases}\right) - 3 \left(\begin{cases} \left(\frac{3}{4} - \frac{x}{4}\right) \left(\frac{4}{x - 3} - \frac{8 \log{\left(\frac{x}{2} - \frac{1}{2} \right)}}{\left(x - 3\right)^{2}}\right) & \text{for}\: x \leq 5 \wedge x > 1 \\\sum_{n=1}^{\infty} \frac{\left(- \frac{1}{2}\right)^{n} \left(x - 3\right)^{n}}{n + 1} & \text{otherwise} \end{cases}\right)
-3*Piecewise(((3/4 - x/4)*(4/(-3 + x) - 8*log(-1/2 + x/2)/(-3 + x)^2), (x <= 5)∧(x > 1)), (Sum((-1/2)^n*(-3 + x)^n/(1 + n), (n, 1, oo)), True)) + x*Piecewise(((3/4 - x/4)*(4/(-3 + x) - 8*log(-1/2 + x/2)/(-3 + x)^2), (x <= 5)∧(x > 1)), (Sum((-1/2)^n*(-3 + x)^n/(1 + n), (n, 1, oo)), True))

    Ejemplos de hallazgo de la suma de la serie