oo ______ \ ` \ / n -n\ \ |/ ___\ / ___\ | \ ___ ||1 + \/ 5 | |-1 - \/ 5 | | \ \/ 5 *||---------| - |----------| | / \\ 2 / \ 2 / / / ------------------------------------- / n - 2 / 3 /_____, n = 0
Sum((sqrt(5)*(((1 + sqrt(5))/2)^n - ((-1 - sqrt(5))/2)^(-n)))/3^(n - 2), (n, 0, oo))
___ ___ 9*\/ 5 9*\/ 5 - --------- + --------- ___ ___ 5 \/ 5 5 \/ 5 - + ----- - - ----- 6 6 6 6
-9*sqrt(5)/(5/6 + sqrt(5)/6) + 9*sqrt(5)/(5/6 - sqrt(5)/6)
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