Integral of $$$\frac{\ln^{2}\left(x^{2} + 1\right) \operatorname{atan}{\left(x \right)}}{x^{2}}$$$
The calculator will find the integral/antiderivative of $$$\frac{\ln^{2}\left(x^{2} + 1\right) \operatorname{atan}{\left(x \right)}}{x^{2}}$$$, with steps shown.
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Find $$$\int \frac{\ln^{2}\left(x^{2} + 1\right) \operatorname{atan}{\left(x \right)}}{x^{2}}\, dx$$$.