// k \ || ___ | || \ ` | || \ -n k ___| || ) n k ___ for a = \/ 0 | k || / b *\/ 0 | a *|< /__, | ||n = 1 | || | || -k / k k\ | ||b*a *\a - b / | ||--------------- otherwise | \\ a - b /
a^k*Piecewise((Sum(b^n*(0^(1/k))^(-n), (n, 1, k)), a = 0^(1/k)), (b*a^(-k)*(a^k - b^k)/(a - b), True))
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