Решенный интеграл вида ∫x^2e^(αx)dx

Solution of an indefinite integral of the form ∫x^2e^(αx)dx by the method of integration by parts, where α takes the values ±1,±2,±3,±4,±5...±n
An example of solving integrals for α=2,5,−3,−6
∫x^2e^(αx)dx, ∫x^2e^(2x)dx, ∫x^2e^(5x)dx, ∫x^2e^(−3x)dx, ∫x^2e^(−6x) dx

The solution is in PDF format