Optimal. Leaf size=105 \[ -\frac {a^8}{18 x^{18}}-\frac {8 a^7 b}{15 x^{15}}-\frac {7 a^6 b^2}{3 x^{12}}-\frac {56 a^5 b^3}{9 x^9}-\frac {35 a^4 b^4}{3 x^6}-\frac {56 a^3 b^5}{3 x^3}+\frac {8}{3} a b^7 x^3+\frac {b^8 x^6}{6}+28 a^2 b^6 \log (x) \]
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Rubi [A]
time = 0.04, antiderivative size = 105, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {272, 45}
\begin {gather*} -\frac {a^8}{18 x^{18}}-\frac {8 a^7 b}{15 x^{15}}-\frac {7 a^6 b^2}{3 x^{12}}-\frac {56 a^5 b^3}{9 x^9}-\frac {35 a^4 b^4}{3 x^6}-\frac {56 a^3 b^5}{3 x^3}+28 a^2 b^6 \log (x)+\frac {8}{3} a b^7 x^3+\frac {b^8 x^6}{6} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 272
Rubi steps
\begin {align*} \int \frac {\left (a+b x^3\right )^8}{x^{19}} \, dx &=\frac {1}{3} \text {Subst}\left (\int \frac {(a+b x)^8}{x^7} \, dx,x,x^3\right )\\ &=\frac {1}{3} \text {Subst}\left (\int \left (8 a b^7+\frac {a^8}{x^7}+\frac {8 a^7 b}{x^6}+\frac {28 a^6 b^2}{x^5}+\frac {56 a^5 b^3}{x^4}+\frac {70 a^4 b^4}{x^3}+\frac {56 a^3 b^5}{x^2}+\frac {28 a^2 b^6}{x}+b^8 x\right ) \, dx,x,x^3\right )\\ &=-\frac {a^8}{18 x^{18}}-\frac {8 a^7 b}{15 x^{15}}-\frac {7 a^6 b^2}{3 x^{12}}-\frac {56 a^5 b^3}{9 x^9}-\frac {35 a^4 b^4}{3 x^6}-\frac {56 a^3 b^5}{3 x^3}+\frac {8}{3} a b^7 x^3+\frac {b^8 x^6}{6}+28 a^2 b^6 \log (x)\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 105, normalized size = 1.00 \begin {gather*} -\frac {a^8}{18 x^{18}}-\frac {8 a^7 b}{15 x^{15}}-\frac {7 a^6 b^2}{3 x^{12}}-\frac {56 a^5 b^3}{9 x^9}-\frac {35 a^4 b^4}{3 x^6}-\frac {56 a^3 b^5}{3 x^3}+\frac {8}{3} a b^7 x^3+\frac {b^8 x^6}{6}+28 a^2 b^6 \log (x) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.14, size = 90, normalized size = 0.86
method | result | size |
default | \(-\frac {a^{8}}{18 x^{18}}-\frac {8 a^{7} b}{15 x^{15}}-\frac {7 a^{6} b^{2}}{3 x^{12}}-\frac {56 a^{5} b^{3}}{9 x^{9}}-\frac {35 a^{4} b^{4}}{3 x^{6}}-\frac {56 a^{3} b^{5}}{3 x^{3}}+\frac {8 a \,b^{7} x^{3}}{3}+\frac {b^{8} x^{6}}{6}+28 a^{2} b^{6} \ln \left (x \right )\) | \(90\) |
norman | \(\frac {-\frac {1}{18} a^{8}+\frac {1}{6} b^{8} x^{24}+\frac {8}{3} a \,b^{7} x^{21}-\frac {56}{3} a^{3} b^{5} x^{15}-\frac {35}{3} a^{4} b^{4} x^{12}-\frac {56}{9} a^{5} b^{3} x^{9}-\frac {7}{3} a^{6} b^{2} x^{6}-\frac {8}{15} a^{7} b \,x^{3}}{x^{18}}+28 a^{2} b^{6} \ln \left (x \right )\) | \(92\) |
risch | \(\frac {b^{8} x^{6}}{6}+\frac {8 a \,b^{7} x^{3}}{3}+\frac {32 a^{2} b^{6}}{3}+\frac {-\frac {1}{18} a^{8}-\frac {8}{15} a^{7} b \,x^{3}-\frac {7}{3} a^{6} b^{2} x^{6}-\frac {56}{9} a^{5} b^{3} x^{9}-\frac {35}{3} a^{4} b^{4} x^{12}-\frac {56}{3} a^{3} b^{5} x^{15}}{x^{18}}+28 a^{2} b^{6} \ln \left (x \right )\) | \(100\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 94, normalized size = 0.90 \begin {gather*} \frac {1}{6} \, b^{8} x^{6} + \frac {8}{3} \, a b^{7} x^{3} + \frac {28}{3} \, a^{2} b^{6} \log \left (x^{3}\right ) - \frac {1680 \, a^{3} b^{5} x^{15} + 1050 \, a^{4} b^{4} x^{12} + 560 \, a^{5} b^{3} x^{9} + 210 \, a^{6} b^{2} x^{6} + 48 \, a^{7} b x^{3} + 5 \, a^{8}}{90 \, x^{18}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.36, size = 94, normalized size = 0.90 \begin {gather*} \frac {15 \, b^{8} x^{24} + 240 \, a b^{7} x^{21} + 2520 \, a^{2} b^{6} x^{18} \log \left (x\right ) - 1680 \, a^{3} b^{5} x^{15} - 1050 \, a^{4} b^{4} x^{12} - 560 \, a^{5} b^{3} x^{9} - 210 \, a^{6} b^{2} x^{6} - 48 \, a^{7} b x^{3} - 5 \, a^{8}}{90 \, x^{18}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.33, size = 100, normalized size = 0.95 \begin {gather*} 28 a^{2} b^{6} \log {\left (x \right )} + \frac {8 a b^{7} x^{3}}{3} + \frac {b^{8} x^{6}}{6} + \frac {- 5 a^{8} - 48 a^{7} b x^{3} - 210 a^{6} b^{2} x^{6} - 560 a^{5} b^{3} x^{9} - 1050 a^{4} b^{4} x^{12} - 1680 a^{3} b^{5} x^{15}}{90 x^{18}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.36, size = 104, normalized size = 0.99 \begin {gather*} \frac {1}{6} \, b^{8} x^{6} + \frac {8}{3} \, a b^{7} x^{3} + 28 \, a^{2} b^{6} \log \left ({\left | x \right |}\right ) - \frac {2058 \, a^{2} b^{6} x^{18} + 1680 \, a^{3} b^{5} x^{15} + 1050 \, a^{4} b^{4} x^{12} + 560 \, a^{5} b^{3} x^{9} + 210 \, a^{6} b^{2} x^{6} + 48 \, a^{7} b x^{3} + 5 \, a^{8}}{90 \, x^{18}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.98, size = 92, normalized size = 0.88 \begin {gather*} \frac {b^8\,x^6}{6}-\frac {\frac {a^8}{18}+\frac {8\,a^7\,b\,x^3}{15}+\frac {7\,a^6\,b^2\,x^6}{3}+\frac {56\,a^5\,b^3\,x^9}{9}+\frac {35\,a^4\,b^4\,x^{12}}{3}+\frac {56\,a^3\,b^5\,x^{15}}{3}}{x^{18}}+\frac {8\,a\,b^7\,x^3}{3}+28\,a^2\,b^6\,\ln \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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