oo _____ \ ` \ ___ \ \/ n - 1 \ ------------------ / _______________ / / 3 2 / \/ n + 2*n - n /____, n = 1
Sum((sqrt(n) - 1)/sqrt(n^3 + 2*n^2 - n), (n, 1, oo))
oo _____ \ ` \ ___ \ -1 + \/ n \ ------------------ / _______________ / / 3 2 / \/ n - n + 2*n /____, n = 1
Sum((-1 + sqrt(n))/sqrt(n^3 - n + 2*n^2), (n, 1, oo))
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