Optimal. Leaf size=58 \[ -\frac{\left (x^4+5\right )^{3/2}}{15 x^6}-\frac{3 \sqrt{x^4+5}}{4 x^4}-\frac{3 \tanh ^{-1}\left (\frac{\sqrt{x^4+5}}{\sqrt{5}}\right )}{4 \sqrt{5}} \]
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Rubi [A] time = 0.0466886, antiderivative size = 58, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 6, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.3, Rules used = {1252, 807, 266, 47, 63, 207} \[ -\frac{\left (x^4+5\right )^{3/2}}{15 x^6}-\frac{3 \sqrt{x^4+5}}{4 x^4}-\frac{3 \tanh ^{-1}\left (\frac{\sqrt{x^4+5}}{\sqrt{5}}\right )}{4 \sqrt{5}} \]
Antiderivative was successfully verified.
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Rule 1252
Rule 807
Rule 266
Rule 47
Rule 63
Rule 207
Rubi steps
\begin{align*} \int \frac{\left (2+3 x^2\right ) \sqrt{5+x^4}}{x^7} \, dx &=\frac{1}{2} \operatorname{Subst}\left (\int \frac{(2+3 x) \sqrt{5+x^2}}{x^4} \, dx,x,x^2\right )\\ &=-\frac{\left (5+x^4\right )^{3/2}}{15 x^6}+\frac{3}{2} \operatorname{Subst}\left (\int \frac{\sqrt{5+x^2}}{x^3} \, dx,x,x^2\right )\\ &=-\frac{\left (5+x^4\right )^{3/2}}{15 x^6}+\frac{3}{4} \operatorname{Subst}\left (\int \frac{\sqrt{5+x}}{x^2} \, dx,x,x^4\right )\\ &=-\frac{3 \sqrt{5+x^4}}{4 x^4}-\frac{\left (5+x^4\right )^{3/2}}{15 x^6}+\frac{3}{8} \operatorname{Subst}\left (\int \frac{1}{x \sqrt{5+x}} \, dx,x,x^4\right )\\ &=-\frac{3 \sqrt{5+x^4}}{4 x^4}-\frac{\left (5+x^4\right )^{3/2}}{15 x^6}+\frac{3}{4} \operatorname{Subst}\left (\int \frac{1}{-5+x^2} \, dx,x,\sqrt{5+x^4}\right )\\ &=-\frac{3 \sqrt{5+x^4}}{4 x^4}-\frac{\left (5+x^4\right )^{3/2}}{15 x^6}-\frac{3 \tanh ^{-1}\left (\frac{\sqrt{5+x^4}}{\sqrt{5}}\right )}{4 \sqrt{5}}\\ \end{align*}
Mathematica [A] time = 0.0398948, size = 72, normalized size = 1.24 \[ -\frac{\left (x^4+5\right )^{3/2}}{15 x^6}-\frac{3 \left (5 x^4+\sqrt{5} \sqrt{x^4+5} x^4 \tanh ^{-1}\left (\sqrt{\frac{x^4}{5}+1}\right )+25\right )}{20 x^4 \sqrt{x^4+5}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.01, size = 52, normalized size = 0.9 \begin{align*} -{\frac{1}{15\,{x}^{6}} \left ({x}^{4}+5 \right ) ^{{\frac{3}{2}}}}-{\frac{3}{20\,{x}^{4}} \left ({x}^{4}+5 \right ) ^{{\frac{3}{2}}}}+{\frac{3}{20}\sqrt{{x}^{4}+5}}-{\frac{3\,\sqrt{5}}{20}{\it Artanh} \left ({\sqrt{5}{\frac{1}{\sqrt{{x}^{4}+5}}}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.42295, size = 80, normalized size = 1.38 \begin{align*} \frac{3}{40} \, \sqrt{5} \log \left (-\frac{\sqrt{5} - \sqrt{x^{4} + 5}}{\sqrt{5} + \sqrt{x^{4} + 5}}\right ) - \frac{3 \, \sqrt{x^{4} + 5}}{4 \, x^{4}} - \frac{{\left (x^{4} + 5\right )}^{\frac{3}{2}}}{15 \, x^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.52349, size = 146, normalized size = 2.52 \begin{align*} \frac{9 \, \sqrt{5} x^{6} \log \left (-\frac{\sqrt{5} - \sqrt{x^{4} + 5}}{x^{2}}\right ) - 4 \, x^{6} -{\left (4 \, x^{4} + 45 \, x^{2} + 20\right )} \sqrt{x^{4} + 5}}{60 \, x^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 5.27075, size = 63, normalized size = 1.09 \begin{align*} - \frac{\sqrt{1 + \frac{5}{x^{4}}}}{15} - \frac{3 \sqrt{5} \operatorname{asinh}{\left (\frac{\sqrt{5}}{x^{2}} \right )}}{20} - \frac{3 \sqrt{1 + \frac{5}{x^{4}}}}{4 x^{2}} - \frac{\sqrt{1 + \frac{5}{x^{4}}}}{3 x^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.13902, size = 84, normalized size = 1.45 \begin{align*} -\frac{1}{60} \,{\left (\frac{5 \,{\left (\frac{4}{x^{2}} + 9\right )}}{x^{2}} + 4\right )} \sqrt{\frac{5}{x^{4}} + 1} - \frac{3}{40} \, \sqrt{5} \log \left (\sqrt{5} + \sqrt{x^{4} + 5}\right ) + \frac{3}{40} \, \sqrt{5} \log \left (-\sqrt{5} + \sqrt{x^{4} + 5}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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