Optimal. Leaf size=59 \[ \frac {a^2 \left (a+b x^4\right )^{7/4}}{7 b^3}+\frac {\left (a+b x^4\right )^{15/4}}{15 b^3}-\frac {2 a \left (a+b x^4\right )^{11/4}}{11 b^3} \]
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Rubi [A] time = 0.03, antiderivative size = 59, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {266, 43} \[ \frac {a^2 \left (a+b x^4\right )^{7/4}}{7 b^3}+\frac {\left (a+b x^4\right )^{15/4}}{15 b^3}-\frac {2 a \left (a+b x^4\right )^{11/4}}{11 b^3} \]
Antiderivative was successfully verified.
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Rule 43
Rule 266
Rubi steps
\begin {align*} \int x^{11} \left (a+b x^4\right )^{3/4} \, dx &=\frac {1}{4} \operatorname {Subst}\left (\int x^2 (a+b x)^{3/4} \, dx,x,x^4\right )\\ &=\frac {1}{4} \operatorname {Subst}\left (\int \left (\frac {a^2 (a+b x)^{3/4}}{b^2}-\frac {2 a (a+b x)^{7/4}}{b^2}+\frac {(a+b x)^{11/4}}{b^2}\right ) \, dx,x,x^4\right )\\ &=\frac {a^2 \left (a+b x^4\right )^{7/4}}{7 b^3}-\frac {2 a \left (a+b x^4\right )^{11/4}}{11 b^3}+\frac {\left (a+b x^4\right )^{15/4}}{15 b^3}\\ \end {align*}
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Mathematica [A] time = 0.03, size = 39, normalized size = 0.66 \[ \frac {\left (a+b x^4\right )^{7/4} \left (32 a^2-56 a b x^4+77 b^2 x^8\right )}{1155 b^3} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.77, size = 46, normalized size = 0.78 \[ \frac {{\left (77 \, b^{3} x^{12} + 21 \, a b^{2} x^{8} - 24 \, a^{2} b x^{4} + 32 \, a^{3}\right )} {\left (b x^{4} + a\right )}^{\frac {3}{4}}}{1155 \, b^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.16, size = 106, normalized size = 1.80 \[ \frac {\frac {5 \, {\left (21 \, {\left (b x^{4} + a\right )}^{\frac {11}{4}} - 66 \, {\left (b x^{4} + a\right )}^{\frac {7}{4}} a + 77 \, {\left (b x^{4} + a\right )}^{\frac {3}{4}} a^{2}\right )} a}{b^{2}} + \frac {77 \, {\left (b x^{4} + a\right )}^{\frac {15}{4}} - 315 \, {\left (b x^{4} + a\right )}^{\frac {11}{4}} a + 495 \, {\left (b x^{4} + a\right )}^{\frac {7}{4}} a^{2} - 385 \, {\left (b x^{4} + a\right )}^{\frac {3}{4}} a^{3}}{b^{2}}}{1155 \, b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 36, normalized size = 0.61 \[ \frac {\left (b \,x^{4}+a \right )^{\frac {7}{4}} \left (77 b^{2} x^{8}-56 a b \,x^{4}+32 a^{2}\right )}{1155 b^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.30, size = 47, normalized size = 0.80 \[ \frac {{\left (b x^{4} + a\right )}^{\frac {15}{4}}}{15 \, b^{3}} - \frac {2 \, {\left (b x^{4} + a\right )}^{\frac {11}{4}} a}{11 \, b^{3}} + \frac {{\left (b x^{4} + a\right )}^{\frac {7}{4}} a^{2}}{7 \, b^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.08, size = 44, normalized size = 0.75 \[ {\left (b\,x^4+a\right )}^{3/4}\,\left (\frac {x^{12}}{15}+\frac {32\,a^3}{1155\,b^3}+\frac {a\,x^8}{55\,b}-\frac {8\,a^2\,x^4}{385\,b^2}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 15.89, size = 87, normalized size = 1.47 \[ \begin {cases} \frac {32 a^{3} \left (a + b x^{4}\right )^{\frac {3}{4}}}{1155 b^{3}} - \frac {8 a^{2} x^{4} \left (a + b x^{4}\right )^{\frac {3}{4}}}{385 b^{2}} + \frac {a x^{8} \left (a + b x^{4}\right )^{\frac {3}{4}}}{55 b} + \frac {x^{12} \left (a + b x^{4}\right )^{\frac {3}{4}}}{15} & \text {for}\: b \neq 0 \\\frac {a^{\frac {3}{4}} x^{12}}{12} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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