The solved integral of the form ∫arcctgαxdx

The solved integral of the form ∫arcctgαxdx

Solving an indefinite integral of the form ∫arcctgαxdx by integration by parts, where α takes the values 1,2,3,4...n
An example of solving integrals for α=4.5
∫arcctgαxdx, ∫arcctg4xdx, ∫arcctg5xdx

The solution is in PDF format

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