Integral of $$$\frac{x^{3}}{\sqrt{x^{2} + 1}}$$$
The calculator will find the integral/antiderivative of $$$\frac{x^{3}}{\sqrt{x^{2} + 1}}$$$, with steps shown.
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Find $$$\int \frac{x^{3}}{\sqrt{x^{2} + 1}}\, dx$$$.