Optimal. Leaf size=152 \[ \frac {8 a^{7/2} \sqrt [4]{\frac {b x^4}{a}+1} E\left (\left .\frac {1}{2} \tan ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )\right |2\right )}{39 b^{7/2} \sqrt [4]{a+b x^4}}-\frac {8 a^3 x^2}{39 b^3 \sqrt [4]{a+b x^4}}+\frac {4 a^2 x^2 \left (a+b x^4\right )^{3/4}}{39 b^3}-\frac {10 a x^6 \left (a+b x^4\right )^{3/4}}{117 b^2}+\frac {x^{10} \left (a+b x^4\right )^{3/4}}{13 b} \]
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Rubi [A] time = 0.10, antiderivative size = 152, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 5, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {275, 321, 229, 227, 196} \[ \frac {4 a^2 x^2 \left (a+b x^4\right )^{3/4}}{39 b^3}-\frac {8 a^3 x^2}{39 b^3 \sqrt [4]{a+b x^4}}+\frac {8 a^{7/2} \sqrt [4]{\frac {b x^4}{a}+1} E\left (\left .\frac {1}{2} \tan ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )\right |2\right )}{39 b^{7/2} \sqrt [4]{a+b x^4}}-\frac {10 a x^6 \left (a+b x^4\right )^{3/4}}{117 b^2}+\frac {x^{10} \left (a+b x^4\right )^{3/4}}{13 b} \]
Antiderivative was successfully verified.
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Rule 196
Rule 227
Rule 229
Rule 275
Rule 321
Rubi steps
\begin {align*} \int \frac {x^{13}}{\sqrt [4]{a+b x^4}} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {x^6}{\sqrt [4]{a+b x^2}} \, dx,x,x^2\right )\\ &=\frac {x^{10} \left (a+b x^4\right )^{3/4}}{13 b}-\frac {(5 a) \operatorname {Subst}\left (\int \frac {x^4}{\sqrt [4]{a+b x^2}} \, dx,x,x^2\right )}{13 b}\\ &=-\frac {10 a x^6 \left (a+b x^4\right )^{3/4}}{117 b^2}+\frac {x^{10} \left (a+b x^4\right )^{3/4}}{13 b}+\frac {\left (10 a^2\right ) \operatorname {Subst}\left (\int \frac {x^2}{\sqrt [4]{a+b x^2}} \, dx,x,x^2\right )}{39 b^2}\\ &=\frac {4 a^2 x^2 \left (a+b x^4\right )^{3/4}}{39 b^3}-\frac {10 a x^6 \left (a+b x^4\right )^{3/4}}{117 b^2}+\frac {x^{10} \left (a+b x^4\right )^{3/4}}{13 b}-\frac {\left (4 a^3\right ) \operatorname {Subst}\left (\int \frac {1}{\sqrt [4]{a+b x^2}} \, dx,x,x^2\right )}{39 b^3}\\ &=\frac {4 a^2 x^2 \left (a+b x^4\right )^{3/4}}{39 b^3}-\frac {10 a x^6 \left (a+b x^4\right )^{3/4}}{117 b^2}+\frac {x^{10} \left (a+b x^4\right )^{3/4}}{13 b}-\frac {\left (4 a^3 \sqrt [4]{1+\frac {b x^4}{a}}\right ) \operatorname {Subst}\left (\int \frac {1}{\sqrt [4]{1+\frac {b x^2}{a}}} \, dx,x,x^2\right )}{39 b^3 \sqrt [4]{a+b x^4}}\\ &=-\frac {8 a^3 x^2}{39 b^3 \sqrt [4]{a+b x^4}}+\frac {4 a^2 x^2 \left (a+b x^4\right )^{3/4}}{39 b^3}-\frac {10 a x^6 \left (a+b x^4\right )^{3/4}}{117 b^2}+\frac {x^{10} \left (a+b x^4\right )^{3/4}}{13 b}+\frac {\left (4 a^3 \sqrt [4]{1+\frac {b x^4}{a}}\right ) \operatorname {Subst}\left (\int \frac {1}{\left (1+\frac {b x^2}{a}\right )^{5/4}} \, dx,x,x^2\right )}{39 b^3 \sqrt [4]{a+b x^4}}\\ &=-\frac {8 a^3 x^2}{39 b^3 \sqrt [4]{a+b x^4}}+\frac {4 a^2 x^2 \left (a+b x^4\right )^{3/4}}{39 b^3}-\frac {10 a x^6 \left (a+b x^4\right )^{3/4}}{117 b^2}+\frac {x^{10} \left (a+b x^4\right )^{3/4}}{13 b}+\frac {8 a^{7/2} \sqrt [4]{1+\frac {b x^4}{a}} E\left (\left .\frac {1}{2} \tan ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )\right |2\right )}{39 b^{7/2} \sqrt [4]{a+b x^4}}\\ \end {align*}
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Mathematica [C] time = 0.04, size = 91, normalized size = 0.60 \[ \frac {x^2 \left (-12 a^3 \sqrt [4]{\frac {b x^4}{a}+1} \, _2F_1\left (\frac {1}{4},\frac {1}{2};\frac {3}{2};-\frac {b x^4}{a}\right )+12 a^3+2 a^2 b x^4-a b^2 x^8+9 b^3 x^{12}\right )}{117 b^3 \sqrt [4]{a+b x^4}} \]
Antiderivative was successfully verified.
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fricas [F] time = 1.18, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\frac {x^{13}}{{\left (b x^{4} + a\right )}^{\frac {1}{4}}}, x\right ) \]
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 \[ \int \frac {x^{13}}{{\left (b x^{4} + a\right )}^{\frac {1}{4}}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.14, size = 0, normalized size = 0.00 \[ \int \frac {x^{13}}{\left (b \,x^{4}+a \right )^{\frac {1}{4}}}\, dx \]
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 \[ \int \frac {x^{13}}{{\left (b x^{4} + a\right )}^{\frac {1}{4}}}\,{d x} \]
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 \[ \int \frac {x^{13}}{{\left (b\,x^4+a\right )}^{1/4}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [C] time = 1.63, size = 27, normalized size = 0.18 \[ \frac {x^{14} {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{4}, \frac {7}{2} \\ \frac {9}{2} \end {matrix}\middle | {\frac {b x^{4} e^{i \pi }}{a}} \right )}}{14 \sqrt [4]{a}} \]
Verification of antiderivative is not currently implemented for this CAS.
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