Optimal. Leaf size=99 \[ \frac {a^7}{2 b^8 (a+b x)^2}-\frac {7 a^6}{b^8 (a+b x)}-\frac {21 a^5 \log (a+b x)}{b^8}+\frac {15 a^4 x}{b^7}-\frac {5 a^3 x^2}{b^6}+\frac {2 a^2 x^3}{b^5}-\frac {3 a x^4}{4 b^4}+\frac {x^5}{5 b^3} \]
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Rubi [A] time = 0.07, antiderivative size = 99, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {43} \begin {gather*} -\frac {5 a^3 x^2}{b^6}+\frac {2 a^2 x^3}{b^5}+\frac {a^7}{2 b^8 (a+b x)^2}-\frac {7 a^6}{b^8 (a+b x)}+\frac {15 a^4 x}{b^7}-\frac {21 a^5 \log (a+b x)}{b^8}-\frac {3 a x^4}{4 b^4}+\frac {x^5}{5 b^3} \end {gather*}
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin {align*} \int \frac {x^7}{(a+b x)^3} \, dx &=\int \left (\frac {15 a^4}{b^7}-\frac {10 a^3 x}{b^6}+\frac {6 a^2 x^2}{b^5}-\frac {3 a x^3}{b^4}+\frac {x^4}{b^3}-\frac {a^7}{b^7 (a+b x)^3}+\frac {7 a^6}{b^7 (a+b x)^2}-\frac {21 a^5}{b^7 (a+b x)}\right ) \, dx\\ &=\frac {15 a^4 x}{b^7}-\frac {5 a^3 x^2}{b^6}+\frac {2 a^2 x^3}{b^5}-\frac {3 a x^4}{4 b^4}+\frac {x^5}{5 b^3}+\frac {a^7}{2 b^8 (a+b x)^2}-\frac {7 a^6}{b^8 (a+b x)}-\frac {21 a^5 \log (a+b x)}{b^8}\\ \end {align*}
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Mathematica [A] time = 0.03, size = 89, normalized size = 0.90 \begin {gather*} \frac {\frac {10 a^7}{(a+b x)^2}-\frac {140 a^6}{a+b x}-420 a^5 \log (a+b x)+300 a^4 b x-100 a^3 b^2 x^2+40 a^2 b^3 x^3-15 a b^4 x^4+4 b^5 x^5}{20 b^8} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x^7}{(a+b x)^3} \, dx \end {gather*}
Verification is not applicable to the result.
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fricas [A] time = 1.04, size = 129, normalized size = 1.30 \begin {gather*} \frac {4 \, b^{7} x^{7} - 7 \, a b^{6} x^{6} + 14 \, a^{2} b^{5} x^{5} - 35 \, a^{3} b^{4} x^{4} + 140 \, a^{4} b^{3} x^{3} + 500 \, a^{5} b^{2} x^{2} + 160 \, a^{6} b x - 130 \, a^{7} - 420 \, {\left (a^{5} b^{2} x^{2} + 2 \, a^{6} b x + a^{7}\right )} \log \left (b x + a\right )}{20 \, {\left (b^{10} x^{2} + 2 \, a b^{9} x + a^{2} b^{8}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.89, size = 95, normalized size = 0.96 \begin {gather*} -\frac {21 \, a^{5} \log \left ({\left | b x + a \right |}\right )}{b^{8}} - \frac {14 \, a^{6} b x + 13 \, a^{7}}{2 \, {\left (b x + a\right )}^{2} b^{8}} + \frac {4 \, b^{12} x^{5} - 15 \, a b^{11} x^{4} + 40 \, a^{2} b^{10} x^{3} - 100 \, a^{3} b^{9} x^{2} + 300 \, a^{4} b^{8} x}{20 \, b^{15}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 94, normalized size = 0.95 \begin {gather*} \frac {x^{5}}{5 b^{3}}-\frac {3 a \,x^{4}}{4 b^{4}}+\frac {2 a^{2} x^{3}}{b^{5}}+\frac {a^{7}}{2 \left (b x +a \right )^{2} b^{8}}-\frac {5 a^{3} x^{2}}{b^{6}}-\frac {7 a^{6}}{\left (b x +a \right ) b^{8}}-\frac {21 a^{5} \ln \left (b x +a \right )}{b^{8}}+\frac {15 a^{4} x}{b^{7}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.39, size = 103, normalized size = 1.04 \begin {gather*} -\frac {14 \, a^{6} b x + 13 \, a^{7}}{2 \, {\left (b^{10} x^{2} + 2 \, a b^{9} x + a^{2} b^{8}\right )}} - \frac {21 \, a^{5} \log \left (b x + a\right )}{b^{8}} + \frac {4 \, b^{4} x^{5} - 15 \, a b^{3} x^{4} + 40 \, a^{2} b^{2} x^{3} - 100 \, a^{3} b x^{2} + 300 \, a^{4} x}{20 \, b^{7}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.23, size = 91, normalized size = 0.92 \begin {gather*} -\frac {\frac {7\,a\,{\left (a+b\,x\right )}^4}{4}-\frac {{\left (a+b\,x\right )}^5}{5}-7\,a^2\,{\left (a+b\,x\right )}^3+\frac {35\,a^3\,{\left (a+b\,x\right )}^2}{2}+\frac {7\,a^6}{a+b\,x}-\frac {a^7}{2\,{\left (a+b\,x\right )}^2}+21\,a^5\,\ln \left (a+b\,x\right )-35\,a^4\,b\,x}{b^8} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.53, size = 109, normalized size = 1.10 \begin {gather*} - \frac {21 a^{5} \log {\left (a + b x \right )}}{b^{8}} + \frac {15 a^{4} x}{b^{7}} - \frac {5 a^{3} x^{2}}{b^{6}} + \frac {2 a^{2} x^{3}}{b^{5}} - \frac {3 a x^{4}}{4 b^{4}} + \frac {- 13 a^{7} - 14 a^{6} b x}{2 a^{2} b^{8} + 4 a b^{9} x + 2 b^{10} x^{2}} + \frac {x^{5}}{5 b^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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