oo ____ \ ` \ 2*x + 1 \ ----------- / 2 2 / x *(n + 1) /___, n = 1
Sum((2*x + 1)/((x^2*(n + 1)^2)), (n, 1, oo))
2 2 2*pi 2*pi -4 + ----- -4 + ----- 3 3 ---------- + ---------- 2*x 2 4*x
(-4 + 2*pi^2/3)/(2*x) + (-4 + 2*pi^2/3)/(4*x^2)
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