Optimal. Leaf size=192 \[ \frac{\left (2+9 \sqrt{5}\right ) \left (x^2+\sqrt{5}\right ) \sqrt{\frac{x^4+5}{\left (x^2+\sqrt{5}\right )^2}} \text{EllipticF}\left (2 \tan ^{-1}\left (\frac{x}{\sqrt [4]{5}}\right ),\frac{1}{2}\right )}{3 \sqrt [4]{5} \sqrt{x^4+5}}+\frac{6 \sqrt{x^4+5} x}{x^2+\sqrt{5}}-\frac{6 \sqrt{x^4+5}}{x}-\frac{\left (2-9 x^2\right ) \sqrt{x^4+5}}{3 x^3}-\frac{6 \sqrt [4]{5} \left (x^2+\sqrt{5}\right ) \sqrt{\frac{x^4+5}{\left (x^2+\sqrt{5}\right )^2}} E\left (2 \tan ^{-1}\left (\frac{x}{\sqrt [4]{5}}\right )|\frac{1}{2}\right )}{\sqrt{x^4+5}} \]
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Rubi [A] time = 0.0893237, antiderivative size = 192, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {1272, 1282, 1198, 220, 1196} \[ \frac{6 \sqrt{x^4+5} x}{x^2+\sqrt{5}}-\frac{6 \sqrt{x^4+5}}{x}-\frac{\left (2-9 x^2\right ) \sqrt{x^4+5}}{3 x^3}+\frac{\left (2+9 \sqrt{5}\right ) \left (x^2+\sqrt{5}\right ) \sqrt{\frac{x^4+5}{\left (x^2+\sqrt{5}\right )^2}} F\left (2 \tan ^{-1}\left (\frac{x}{\sqrt [4]{5}}\right )|\frac{1}{2}\right )}{3 \sqrt [4]{5} \sqrt{x^4+5}}-\frac{6 \sqrt [4]{5} \left (x^2+\sqrt{5}\right ) \sqrt{\frac{x^4+5}{\left (x^2+\sqrt{5}\right )^2}} E\left (2 \tan ^{-1}\left (\frac{x}{\sqrt [4]{5}}\right )|\frac{1}{2}\right )}{\sqrt{x^4+5}} \]
Antiderivative was successfully verified.
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Rule 1272
Rule 1282
Rule 1198
Rule 220
Rule 1196
Rubi steps
\begin{align*} \int \frac{\left (2+3 x^2\right ) \sqrt{5+x^4}}{x^4} \, dx &=-\frac{\left (2-9 x^2\right ) \sqrt{5+x^4}}{3 x^3}-\frac{2}{3} \int \frac{-45-2 x^2}{x^2 \sqrt{5+x^4}} \, dx\\ &=-\frac{6 \sqrt{5+x^4}}{x}-\frac{\left (2-9 x^2\right ) \sqrt{5+x^4}}{3 x^3}+\frac{2}{15} \int \frac{10+45 x^2}{\sqrt{5+x^4}} \, dx\\ &=-\frac{6 \sqrt{5+x^4}}{x}-\frac{\left (2-9 x^2\right ) \sqrt{5+x^4}}{3 x^3}-\left (6 \sqrt{5}\right ) \int \frac{1-\frac{x^2}{\sqrt{5}}}{\sqrt{5+x^4}} \, dx+\frac{1}{3} \left (2 \left (2+9 \sqrt{5}\right )\right ) \int \frac{1}{\sqrt{5+x^4}} \, dx\\ &=-\frac{6 \sqrt{5+x^4}}{x}-\frac{\left (2-9 x^2\right ) \sqrt{5+x^4}}{3 x^3}+\frac{6 x \sqrt{5+x^4}}{\sqrt{5}+x^2}-\frac{6 \sqrt [4]{5} \left (\sqrt{5}+x^2\right ) \sqrt{\frac{5+x^4}{\left (\sqrt{5}+x^2\right )^2}} E\left (2 \tan ^{-1}\left (\frac{x}{\sqrt [4]{5}}\right )|\frac{1}{2}\right )}{\sqrt{5+x^4}}+\frac{\left (2+9 \sqrt{5}\right ) \left (\sqrt{5}+x^2\right ) \sqrt{\frac{5+x^4}{\left (\sqrt{5}+x^2\right )^2}} F\left (2 \tan ^{-1}\left (\frac{x}{\sqrt [4]{5}}\right )|\frac{1}{2}\right )}{3 \sqrt [4]{5} \sqrt{5+x^4}}\\ \end{align*}
Mathematica [C] time = 0.0243619, size = 54, normalized size = 0.28 \[ -\frac{\sqrt{5} \left (9 x^2 \, _2F_1\left (-\frac{1}{2},-\frac{1}{4};\frac{3}{4};-\frac{x^4}{5}\right )+2 \, _2F_1\left (-\frac{3}{4},-\frac{1}{2};\frac{1}{4};-\frac{x^4}{5}\right )\right )}{3 x^3} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.016, size = 170, normalized size = 0.9 \begin{align*} -{\frac{2}{3\,{x}^{3}}\sqrt{{x}^{4}+5}}+{\frac{4\,\sqrt{5}}{75\,\sqrt{i\sqrt{5}}}\sqrt{25-5\,i\sqrt{5}{x}^{2}}\sqrt{25+5\,i\sqrt{5}{x}^{2}}{\it EllipticF} \left ({\frac{x\sqrt{5}\sqrt{i\sqrt{5}}}{5}},i \right ){\frac{1}{\sqrt{{x}^{4}+5}}}}-3\,{\frac{\sqrt{{x}^{4}+5}}{x}}+{\frac{{\frac{6\,i}{5}}}{\sqrt{i\sqrt{5}}}\sqrt{25-5\,i\sqrt{5}{x}^{2}}\sqrt{25+5\,i\sqrt{5}{x}^{2}} \left ({\it EllipticF} \left ({\frac{x\sqrt{5}\sqrt{i\sqrt{5}}}{5}},i \right ) -{\it EllipticE} \left ({\frac{x\sqrt{5}\sqrt{i\sqrt{5}}}{5}},i \right ) \right ){\frac{1}{\sqrt{{x}^{4}+5}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sqrt{x^{4} + 5}{\left (3 \, x^{2} + 2\right )}}{x^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{\sqrt{x^{4} + 5}{\left (3 \, x^{2} + 2\right )}}{x^{4}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 1.99396, size = 83, normalized size = 0.43 \begin{align*} \frac{3 \sqrt{5} \Gamma \left (- \frac{1}{4}\right ){{}_{2}F_{1}\left (\begin{matrix} - \frac{1}{2}, - \frac{1}{4} \\ \frac{3}{4} \end{matrix}\middle |{\frac{x^{4} e^{i \pi }}{5}} \right )}}{4 x \Gamma \left (\frac{3}{4}\right )} + \frac{\sqrt{5} \Gamma \left (- \frac{3}{4}\right ){{}_{2}F_{1}\left (\begin{matrix} - \frac{3}{4}, - \frac{1}{2} \\ \frac{1}{4} \end{matrix}\middle |{\frac{x^{4} e^{i \pi }}{5}} \right )}}{2 x^{3} \Gamma \left (\frac{1}{4}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sqrt{x^{4} + 5}{\left (3 \, x^{2} + 2\right )}}{x^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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