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