Mister Exam

Other calculators

Integral of (z^2)*ch(2*z)+4*(z^4)-z/4-sh(6*pi*z) dz

Limits of integration:

from to
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
 -1 + 3*I                                           
     /                                              
    |                                               
    |    / 2                4   z               \   
    |    |z *cosh(2*z) + 4*z  - - - sinh(6*pi*z)| dz
    |    \                      4               /   
    |                                               
   /                                                
 2 - 2*I                                            
$$\int\limits_{2 - 2 i}^{-1 + 3 i} \left(\left(- \frac{z}{4} + \left(4 z^{4} + z^{2} \cosh{\left(2 z \right)}\right)\right) - \sinh{\left(6 \pi z \right)}\right)\, dz$$
Integral(z^2*cosh(2*z) + 4*z^4 - z/4 - sinh((6*pi)*z), (z, 2 - 2*i, -1 + 3*i))
Detail solution
  1. Integrate term-by-term:

    1. Integrate term-by-term:

      1. The integral of a constant times a function is the constant times the integral of the function:

        1. The integral of is when :

        So, the result is:

      1. Integrate term-by-term:

        1. The integral of a constant times a function is the constant times the integral of the function:

          1. The integral of is when :

          So, the result is:

        1. Don't know the steps in finding this integral.

          But the integral is

        The result is:

      The result is:

    1. The integral of a constant times a function is the constant times the integral of the function:

      1. Don't know the steps in finding this integral.

        But the integral is

      So, the result is:

    The result is:

  2. Now simplify:

  3. Add the constant of integration:


The answer is:

The answer (Indefinite) [src]
  /                                                                                                                                 
 |                                                                                 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)                                                     
/                                                                                                                                   
$$\int \left(\left(- \frac{z}{4} + \left(4 z^{4} + z^{2} \cosh{\left(2 z \right)}\right)\right) - \sinh{\left(6 \pi z \right)}\right)\, dz = C + \frac{4 z^{5}}{5} + \frac{z^{2} \sinh{\left(2 z \right)}}{2} - \frac{z^{2}}{8} - \frac{z \cosh{\left(2 z \right)}}{2} + \frac{\sinh{\left(2 z \right)}}{4} + \frac{1}{3 \pi \tanh^{2}{\left(3 \pi z \right)} - 3 \pi}$$
The answer [src]
             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        
$$- \frac{4 \left(2 - 2 i\right)^{5}}{5} - \frac{\left(2 - 2 i\right)^{2} \sinh{\left(4 - 4 i \right)}}{2} + \frac{4 \left(-1 + 3 i\right)^{5}}{5} - \frac{\sinh{\left(4 - 4 i \right)}}{4} - \frac{\left(-1 + 3 i\right) \cosh{\left(-2 + 6 i \right)}}{2} + \frac{\left(2 - 2 i\right)^{2}}{8} + \frac{\sinh{\left(-2 + 6 i \right)}}{4} - \frac{\cosh{\left(6 \pi \left(-1 + 3 i\right) \right)}}{6 \pi} + \frac{\cosh{\left(6 \pi \left(2 - 2 i\right) \right)}}{6 \pi} - \frac{\left(-1 + 3 i\right)^{2}}{8} + \frac{\left(-1 + 3 i\right)^{2} \sinh{\left(-2 + 6 i \right)}}{2} + \frac{\left(2 - 2 i\right) \cosh{\left(4 - 4 i \right)}}{2}$$
=
=
             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        
$$- \frac{4 \left(2 - 2 i\right)^{5}}{5} - \frac{\left(2 - 2 i\right)^{2} \sinh{\left(4 - 4 i \right)}}{2} + \frac{4 \left(-1 + 3 i\right)^{5}}{5} - \frac{\sinh{\left(4 - 4 i \right)}}{4} - \frac{\left(-1 + 3 i\right) \cosh{\left(-2 + 6 i \right)}}{2} + \frac{\left(2 - 2 i\right)^{2}}{8} + \frac{\sinh{\left(-2 + 6 i \right)}}{4} - \frac{\cosh{\left(6 \pi \left(-1 + 3 i\right) \right)}}{6 \pi} + \frac{\cosh{\left(6 \pi \left(2 - 2 i\right) \right)}}{6 \pi} - \frac{\left(-1 + 3 i\right)^{2}}{8} + \frac{\left(-1 + 3 i\right)^{2} \sinh{\left(-2 + 6 i \right)}}{2} + \frac{\left(2 - 2 i\right) \cosh{\left(4 - 4 i \right)}}{2}$$
-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)
Numerical answer [src]
(625439238811323.0 - 140.783774074311j)
(625439238811323.0 - 140.783774074311j)

    Use the examples entering the upper and lower limits of integration.