Does this definite integral admit a closed-form in terms of elementary functions?
$$\int_0^{\infty } \frac{x}{\left(x^4+1\right) \left(2 x^2-2 \arctan\left(x^2\right)+\pi \right)} \, dx.$$
2026-03-25 20:34:44.1774470884
Closed-form expression of a definite integral
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