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Question Number 115361 by Bird last updated on 25/Sep/20

$$find{\int }_0^{\mathrm{\infty }}\frac{cos\left(\pi x^2\right)}{{(x^2+3)}^2}dx$$

Answered by Olaf last updated on 27/Sep/20

$$\frac{\pi [6\pi (\mathbf{C}\left(\sqrt{6}\right)-\mathbf{S}\left(\sqrt{6}\right))+\mathbf{C}\left(\sqrt{6}\right)-\mathbf{S}\left(\sqrt{6}\right)+\sqrt{6}-1]}{12\sqrt{3}}$$$$\approx 0.0422927$$

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