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