oo ____ \ ` \ k k 2*k a \ t *(-1) *a *cos(a*x)*E *z / --------------------------- / k! /___, k = 0
Sum((((((t^k*(-1)^k)*a^(2*k))*cos(a*x))*E^a)*z)/factorial(k), (k, 0, oo))
2 a -t*a z*cos(a*x)*e *e
z*cos(a*x)*exp(a)*exp(-t*a^2)
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