Optimal. Leaf size=25 \[ \frac {2 \left (4 x^2-3\right ) \left (x^4+x^2\right )^{3/4}}{21 x^5} \]
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Rubi [A] time = 0.05, antiderivative size = 37, normalized size of antiderivative = 1.48, number of steps used = 2, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {2016, 2014} \begin {gather*} \frac {8 \left (x^4+x^2\right )^{3/4}}{21 x^3}-\frac {2 \left (x^4+x^2\right )^{3/4}}{7 x^5} \end {gather*}
Antiderivative was successfully verified.
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Rule 2014
Rule 2016
Rubi steps
\begin {align*} \int \frac {1}{x^4 \sqrt [4]{x^2+x^4}} \, dx &=-\frac {2 \left (x^2+x^4\right )^{3/4}}{7 x^5}-\frac {4}{7} \int \frac {1}{x^2 \sqrt [4]{x^2+x^4}} \, dx\\ &=-\frac {2 \left (x^2+x^4\right )^{3/4}}{7 x^5}+\frac {8 \left (x^2+x^4\right )^{3/4}}{21 x^3}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 25, normalized size = 1.00 \begin {gather*} \frac {2 \left (4 x^2-3\right ) \left (x^4+x^2\right )^{3/4}}{21 x^5} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [A] time = 0.10, size = 25, normalized size = 1.00 \begin {gather*} \frac {2 \left (4 x^2-3\right ) \left (x^4+x^2\right )^{3/4}}{21 x^5} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.38, size = 21, normalized size = 0.84 \begin {gather*} \frac {2 \, {\left (x^{4} + x^{2}\right )}^{\frac {3}{4}} {\left (4 \, x^{2} - 3\right )}}{21 \, x^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.30, size = 19, normalized size = 0.76 \begin {gather*} -\frac {2}{7} \, {\left (\frac {1}{x^{2}} + 1\right )}^{\frac {7}{4}} + \frac {2}{3} \, {\left (\frac {1}{x^{2}} + 1\right )}^{\frac {3}{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 27, normalized size = 1.08 \begin {gather*} \frac {2 \left (x^{2}+1\right ) \left (4 x^{2}-3\right )}{21 x^{3} \left (x^{4}+x^{2}\right )^{\frac {1}{4}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.44, size = 24, normalized size = 0.96 \begin {gather*} \frac {2 \, {\left (4 \, x^{5} + x^{3} - 3 \, x\right )}}{21 \, {\left (x^{2} + 1\right )}^{\frac {1}{4}} x^{\frac {9}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.18, size = 31, normalized size = 1.24 \begin {gather*} -\frac {6\,{\left (x^4+x^2\right )}^{3/4}-8\,x^2\,{\left (x^4+x^2\right )}^{3/4}}{21\,x^5} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {1}{x^{4} \sqrt [4]{x^{2} \left (x^{2} + 1\right )}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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