-1 + 3*I / | | / 2 4 z \ | |z *cosh(2*z) + 4*z - - - sinh(6*pi*z)| dz | \ 4 / | / 2 - 2*I
Integral(z^2*cosh(2*z) + 4*z^4 - z/4 - sinh((6*pi)*z), (z, 2 - 2*i, -1 + 3*i))
Integrate term-by-term:
Integrate term-by-term:
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
Integrate term-by-term:
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
Don't know the steps in finding this integral.
But the integral is
The result is:
The result is:
The integral of a constant times a function is the constant times the integral of the function:
Don't know the steps in finding this integral.
But the integral is
So, the result is:
The result is:
Now simplify:
Add the constant of integration:
The answer is:
/ | 2 5 2 | / 2 4 z \ 1 z sinh(2*z) 4*z z *sinh(2*z) z*cosh(2*z) | |z *cosh(2*z) + 4*z - - - sinh(6*pi*z)| dz = C + -------------------------- - -- + --------- + ---- + ------------ - ----------- | \ 4 / 2 8 4 5 2 2 | -3*pi + 3*pi*tanh (3*pi*z) /
5 2 2 5 2 2 4*(2 - 2*I) sinh(4 - 4*I) (-1 + 3*I) sinh(-2 + 6*I) (2 - 2*I) 4*(-1 + 3*I) (-1 + 3*I) *sinh(-2 + 6*I) (2 - 2*I)*cosh(4 - 4*I) (2 - 2*I) *sinh(4 - 4*I) (-1 + 3*I)*cosh(-2 + 6*I) cosh(6*pi*(-1 + 3*I)) cosh(6*pi*(2 - 2*I)) - ------------ - ------------- - ----------- + -------------- + ---------- + ------------- + -------------------------- + ----------------------- - ------------------------ - ------------------------- - --------------------- + -------------------- 5 4 8 4 8 5 2 2 2 2 6*pi 6*pi
=
5 2 2 5 2 2 4*(2 - 2*I) sinh(4 - 4*I) (-1 + 3*I) sinh(-2 + 6*I) (2 - 2*I) 4*(-1 + 3*I) (-1 + 3*I) *sinh(-2 + 6*I) (2 - 2*I)*cosh(4 - 4*I) (2 - 2*I) *sinh(4 - 4*I) (-1 + 3*I)*cosh(-2 + 6*I) cosh(6*pi*(-1 + 3*I)) cosh(6*pi*(2 - 2*I)) - ------------ - ------------- - ----------- + -------------- + ---------- + ------------- + -------------------------- + ----------------------- - ------------------------ - ------------------------- - --------------------- + -------------------- 5 4 8 4 8 5 2 2 2 2 6*pi 6*pi
-4*(2 - 2*i)^5/5 - sinh(4 - 4*i)/4 - (-1 + 3*i)^2/8 + sinh(-2 + 6*i)/4 + (2 - 2*i)^2/8 + 4*(-1 + 3*i)^5/5 + (-1 + 3*i)^2*sinh(-2 + 6*i)/2 + (2 - 2*i)*cosh(4 - 4*i)/2 - (2 - 2*i)^2*sinh(4 - 4*i)/2 - (-1 + 3*i)*cosh(-2 + 6*i)/2 - cosh(6*pi*(-1 + 3*i))/(6*pi) + cosh(6*pi*(2 - 2*i))/(6*pi)
(625439238811323.0 - 140.783774074311j)
(625439238811323.0 - 140.783774074311j)
Use the examples entering the upper and lower limits of integration.