oo ____ \ ` \ n - 1 \ x ) -------- / n - 1 / 3 *n /___, n = 1
Sum(x^(n - 1)/((3^(n - 1)*n)), (n, 1, oo))
// / x\ \ ||-log|1 - -| for And(x >= -3, x < 3)| || \ 3/ | || | || oo | ||____ | 3*|<\ ` | || \ -n n | || \ 3 *x | || / ------ otherwise | || / n | ||/___, | \\n = 1 / ------------------------------------------ x
3*Piecewise((-log(1 - x/3), (x >= -3)∧(x < 3)), (Sum(3^(-n)*x^n/n, (n, 1, oo)), True))/x
x^n/n
(x-1)^n
1/2^(n!)
n^2/n!
x^n/n!
k!/(n!*(n+k)!)
csc(n)^2/n^3
1/n^2
1/n^4
1/n^6
1/n
(-1)^n
(-1)^(n + 1)/n
(n + 2)*(-1)^(n - 1)
(3*n - 1)/(-5)^n
(-1)^(n - 1)*n/(6*n - 5)
(-1)^(n + 1)/n*x^n
(3*n - 1)/(-5)^n