oo ____ \ ` \ / _________________ \ \ | / 4 3 | ) |\/ 9*n - 2*n + 1 2 | / |--------------------*n - 2| / \ 3 / /___, n = 1
Sum((sqrt(9*n^4 - 2*n^3 + 1)/3)*n^2 - 2, (n, 1, oo))
oo ____ \ ` \ / _________________\ \ | 2 / 3 4 | ) | n *\/ 1 - 2*n + 9*n | / |-2 + -----------------------| / \ 3 / /___, n = 1
Sum(-2 + n^2*sqrt(1 - 2*n^3 + 9*n^4)/3, (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