3 ____ \ ` \ 2 \ 3 - i (3 + i) - i! ) (-1) *------------- / 3 / (3 - i)! - i /___, i = 1
Sum((-1)^(3 - i)*(((3 + i)^2 - factorial(i))/(factorial(3 - i) - i^3)), (i, 1, 3))
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