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