2 _____ \ ` \ / 2 2*n \ \ |n - --- + 1 | \ | 2 n| ) |------------ + -| / 2| 10 2| / sin |----------------| / \ 2*I + 1 / /____, n = 1
Sum(sin(((n^2 - 2*n/2 + 1)/10 + n/2)/(2*i + 1))^2, (n, 1, 2))
2/3 6*I\ 2/13 13*I\ sin |-- - ---| + sin |-- - ----| \25 25/ \50 25 /
sin(3/25 - 6*i/25)^2 + sin(13/50 - 13*i/25)^2
-0.233196446095152433167458427402 - 0.366803955367189291169424299657*i
-0.233196446095152433167458427402 - 0.366803955367189291169424299657*i
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