oo ____ \ ` \ n n + 1 \ (-1) *x / ---------------- / (n + 1)*(2 + n)! /___, n = 0
Sum(((-1)^n*x^(n + 1))/(((n + 1)*factorial(2 + n))), (n, 0, oo))
/ -x / pi*I\ / pi*I\\ |EulerGamma 2 - 2*x e - 2*log\x*e / + 2*Ei\x*e /| x*|---------- + ------- - --- - --------------------------------| | x 2 2 2*x | \ 2*x x /
x*(EulerGamma/x + (2 - 2*x)/(2*x^2) - exp(-x)/x^2 - (-2*log(x*exp_polar(pi*i)) + 2*Ei(x*exp_polar(pi*i)))/(2*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