Optimal. Leaf size=171 \[ \frac {5 a^4 x \sqrt [4]{a+b x^4}}{672 b^3}-\frac {a^3 x^5 \sqrt [4]{a+b x^4}}{336 b^2}+\frac {a^2 x^9 \sqrt [4]{a+b x^4}}{504 b}+\frac {5}{252} a x^{13} \sqrt [4]{a+b x^4}+\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}+\frac {5 a^{9/2} \left (1+\frac {a}{b x^4}\right )^{3/4} x^3 F\left (\left .\frac {1}{2} \cot ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )\right |2\right )}{672 b^{5/2} \left (a+b x^4\right )^{3/4}} \]
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Rubi [A]
time = 0.07, antiderivative size = 171, normalized size of antiderivative = 1.00, number of steps
used = 9, number of rules used = 6, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.400, Rules used = {285, 327, 243,
342, 281, 237} \begin {gather*} \frac {5 a^{9/2} x^3 \left (\frac {a}{b x^4}+1\right )^{3/4} F\left (\left .\frac {1}{2} \cot ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )\right |2\right )}{672 b^{5/2} \left (a+b x^4\right )^{3/4}}+\frac {5 a^4 x \sqrt [4]{a+b x^4}}{672 b^3}-\frac {a^3 x^5 \sqrt [4]{a+b x^4}}{336 b^2}+\frac {a^2 x^9 \sqrt [4]{a+b x^4}}{504 b}+\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}+\frac {5}{252} a x^{13} \sqrt [4]{a+b x^4} \end {gather*}
Antiderivative was successfully verified.
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Rule 237
Rule 243
Rule 281
Rule 285
Rule 327
Rule 342
Rubi steps
\begin {align*} \int x^{12} \left (a+b x^4\right )^{5/4} \, dx &=\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}+\frac {1}{18} (5 a) \int x^{12} \sqrt [4]{a+b x^4} \, dx\\ &=\frac {5}{252} a x^{13} \sqrt [4]{a+b x^4}+\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}+\frac {1}{252} \left (5 a^2\right ) \int \frac {x^{12}}{\left (a+b x^4\right )^{3/4}} \, dx\\ &=\frac {a^2 x^9 \sqrt [4]{a+b x^4}}{504 b}+\frac {5}{252} a x^{13} \sqrt [4]{a+b x^4}+\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}-\frac {a^3 \int \frac {x^8}{\left (a+b x^4\right )^{3/4}} \, dx}{56 b}\\ &=-\frac {a^3 x^5 \sqrt [4]{a+b x^4}}{336 b^2}+\frac {a^2 x^9 \sqrt [4]{a+b x^4}}{504 b}+\frac {5}{252} a x^{13} \sqrt [4]{a+b x^4}+\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}+\frac {\left (5 a^4\right ) \int \frac {x^4}{\left (a+b x^4\right )^{3/4}} \, dx}{336 b^2}\\ &=\frac {5 a^4 x \sqrt [4]{a+b x^4}}{672 b^3}-\frac {a^3 x^5 \sqrt [4]{a+b x^4}}{336 b^2}+\frac {a^2 x^9 \sqrt [4]{a+b x^4}}{504 b}+\frac {5}{252} a x^{13} \sqrt [4]{a+b x^4}+\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}-\frac {\left (5 a^5\right ) \int \frac {1}{\left (a+b x^4\right )^{3/4}} \, dx}{672 b^3}\\ &=\frac {5 a^4 x \sqrt [4]{a+b x^4}}{672 b^3}-\frac {a^3 x^5 \sqrt [4]{a+b x^4}}{336 b^2}+\frac {a^2 x^9 \sqrt [4]{a+b x^4}}{504 b}+\frac {5}{252} a x^{13} \sqrt [4]{a+b x^4}+\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}-\frac {\left (5 a^5 \left (1+\frac {a}{b x^4}\right )^{3/4} x^3\right ) \int \frac {1}{\left (1+\frac {a}{b x^4}\right )^{3/4} x^3} \, dx}{672 b^3 \left (a+b x^4\right )^{3/4}}\\ &=\frac {5 a^4 x \sqrt [4]{a+b x^4}}{672 b^3}-\frac {a^3 x^5 \sqrt [4]{a+b x^4}}{336 b^2}+\frac {a^2 x^9 \sqrt [4]{a+b x^4}}{504 b}+\frac {5}{252} a x^{13} \sqrt [4]{a+b x^4}+\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}+\frac {\left (5 a^5 \left (1+\frac {a}{b x^4}\right )^{3/4} x^3\right ) \text {Subst}\left (\int \frac {x}{\left (1+\frac {a x^4}{b}\right )^{3/4}} \, dx,x,\frac {1}{x}\right )}{672 b^3 \left (a+b x^4\right )^{3/4}}\\ &=\frac {5 a^4 x \sqrt [4]{a+b x^4}}{672 b^3}-\frac {a^3 x^5 \sqrt [4]{a+b x^4}}{336 b^2}+\frac {a^2 x^9 \sqrt [4]{a+b x^4}}{504 b}+\frac {5}{252} a x^{13} \sqrt [4]{a+b x^4}+\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}+\frac {\left (5 a^5 \left (1+\frac {a}{b x^4}\right )^{3/4} x^3\right ) \text {Subst}\left (\int \frac {1}{\left (1+\frac {a x^2}{b}\right )^{3/4}} \, dx,x,\frac {1}{x^2}\right )}{1344 b^3 \left (a+b x^4\right )^{3/4}}\\ &=\frac {5 a^4 x \sqrt [4]{a+b x^4}}{672 b^3}-\frac {a^3 x^5 \sqrt [4]{a+b x^4}}{336 b^2}+\frac {a^2 x^9 \sqrt [4]{a+b x^4}}{504 b}+\frac {5}{252} a x^{13} \sqrt [4]{a+b x^4}+\frac {1}{18} x^{13} \left (a+b x^4\right )^{5/4}+\frac {5 a^{9/2} \left (1+\frac {a}{b x^4}\right )^{3/4} x^3 F\left (\left .\frac {1}{2} \cot ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )\right |2\right )}{672 b^{5/2} \left (a+b x^4\right )^{3/4}}\\ \end {align*}
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Mathematica [C] Result contains higher order function than in optimal. Order 5 vs. order 4 in
optimal.
time = 9.22, size = 89, normalized size = 0.52 \begin {gather*} \frac {x \sqrt [4]{a+b x^4} \left (\left (a+b x^4\right )^2 \left (9 a^2-18 a b x^4+28 b^2 x^8\right )-\frac {9 a^4 \, _2F_1\left (-\frac {5}{4},\frac {1}{4};\frac {5}{4};-\frac {b x^4}{a}\right )}{\sqrt [4]{1+\frac {b x^4}{a}}}\right )}{504 b^3} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.01, size = 0, normalized size = 0.00 \[\int x^{12} \left (b \,x^{4}+a \right )^{\frac {5}{4}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F]
time = 0.08, size = 23, normalized size = 0.13 \begin {gather*} {\rm integral}\left ({\left (b x^{16} + a x^{12}\right )} {\left (b x^{4} + a\right )}^{\frac {1}{4}}, x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] Result contains complex when optimal does not.
time = 1.31, size = 39, normalized size = 0.23 \begin {gather*} \frac {a^{\frac {5}{4}} x^{13} \Gamma \left (\frac {13}{4}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {5}{4}, \frac {13}{4} \\ \frac {17}{4} \end {matrix}\middle | {\frac {b x^{4} e^{i \pi }}{a}} \right )}}{4 \Gamma \left (\frac {17}{4}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int x^{12}\,{\left (b\,x^4+a\right )}^{5/4} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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