Optimal. Leaf size=90 \[ -\frac {a^6}{3 b^7 (a+b x)^3}+\frac {3 a^5}{b^7 (a+b x)^2}-\frac {15 a^4}{b^7 (a+b x)}-\frac {20 a^3 \log (a+b x)}{b^7}+\frac {10 a^2 x}{b^6}-\frac {2 a x^2}{b^5}+\frac {x^3}{3 b^4} \]
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Rubi [A] time = 0.06, antiderivative size = 90, 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 {a^6}{3 b^7 (a+b x)^3}+\frac {3 a^5}{b^7 (a+b x)^2}-\frac {15 a^4}{b^7 (a+b x)}+\frac {10 a^2 x}{b^6}-\frac {20 a^3 \log (a+b x)}{b^7}-\frac {2 a x^2}{b^5}+\frac {x^3}{3 b^4} \end {gather*}
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin {align*} \int \frac {x^6}{(a+b x)^4} \, dx &=\int \left (\frac {10 a^2}{b^6}-\frac {4 a x}{b^5}+\frac {x^2}{b^4}+\frac {a^6}{b^6 (a+b x)^4}-\frac {6 a^5}{b^6 (a+b x)^3}+\frac {15 a^4}{b^6 (a+b x)^2}-\frac {20 a^3}{b^6 (a+b x)}\right ) \, dx\\ &=\frac {10 a^2 x}{b^6}-\frac {2 a x^2}{b^5}+\frac {x^3}{3 b^4}-\frac {a^6}{3 b^7 (a+b x)^3}+\frac {3 a^5}{b^7 (a+b x)^2}-\frac {15 a^4}{b^7 (a+b x)}-\frac {20 a^3 \log (a+b x)}{b^7}\\ \end {align*}
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Mathematica [A] time = 0.02, size = 90, normalized size = 1.00 \begin {gather*} -\frac {a^6}{3 b^7 (a+b x)^3}+\frac {3 a^5}{b^7 (a+b x)^2}-\frac {15 a^4}{b^7 (a+b x)}-\frac {20 a^3 \log (a+b x)}{b^7}+\frac {10 a^2 x}{b^6}-\frac {2 a x^2}{b^5}+\frac {x^3}{3 b^4} \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^6}{(a+b x)^4} \, dx \end {gather*}
Verification is not applicable to the result.
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fricas [A] time = 0.97, size = 139, normalized size = 1.54 \begin {gather*} \frac {b^{6} x^{6} - 3 \, a b^{5} x^{5} + 15 \, a^{2} b^{4} x^{4} + 73 \, a^{3} b^{3} x^{3} + 39 \, a^{4} b^{2} x^{2} - 51 \, a^{5} b x - 37 \, a^{6} - 60 \, {\left (a^{3} b^{3} x^{3} + 3 \, a^{4} b^{2} x^{2} + 3 \, a^{5} b x + a^{6}\right )} \log \left (b x + a\right )}{3 \, {\left (b^{10} x^{3} + 3 \, a b^{9} x^{2} + 3 \, a^{2} b^{8} x + a^{3} b^{7}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.11, size = 83, normalized size = 0.92 \begin {gather*} -\frac {20 \, a^{3} \log \left ({\left | b x + a \right |}\right )}{b^{7}} - \frac {45 \, a^{4} b^{2} x^{2} + 81 \, a^{5} b x + 37 \, a^{6}}{3 \, {\left (b x + a\right )}^{3} b^{7}} + \frac {b^{8} x^{3} - 6 \, a b^{7} x^{2} + 30 \, a^{2} b^{6} x}{3 \, b^{12}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 87, normalized size = 0.97 \begin {gather*} -\frac {a^{6}}{3 \left (b x +a \right )^{3} b^{7}}+\frac {x^{3}}{3 b^{4}}+\frac {3 a^{5}}{\left (b x +a \right )^{2} b^{7}}-\frac {2 a \,x^{2}}{b^{5}}-\frac {15 a^{4}}{\left (b x +a \right ) b^{7}}-\frac {20 a^{3} \ln \left (b x +a \right )}{b^{7}}+\frac {10 a^{2} x}{b^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.42, size = 102, normalized size = 1.13 \begin {gather*} -\frac {45 \, a^{4} b^{2} x^{2} + 81 \, a^{5} b x + 37 \, a^{6}}{3 \, {\left (b^{10} x^{3} + 3 \, a b^{9} x^{2} + 3 \, a^{2} b^{8} x + a^{3} b^{7}\right )}} - \frac {20 \, a^{3} \log \left (b x + a\right )}{b^{7}} + \frac {b^{2} x^{3} - 6 \, a b x^{2} + 30 \, a^{2} x}{3 \, b^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.15, size = 79, normalized size = 0.88 \begin {gather*} -\frac {3\,a\,{\left (a+b\,x\right )}^2-\frac {{\left (a+b\,x\right )}^3}{3}+\frac {15\,a^4}{a+b\,x}-\frac {3\,a^5}{{\left (a+b\,x\right )}^2}+\frac {a^6}{3\,{\left (a+b\,x\right )}^3}+20\,a^3\,\ln \left (a+b\,x\right )-15\,a^2\,b\,x}{b^7} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.48, size = 107, normalized size = 1.19 \begin {gather*} - \frac {20 a^{3} \log {\left (a + b x \right )}}{b^{7}} + \frac {10 a^{2} x}{b^{6}} - \frac {2 a x^{2}}{b^{5}} + \frac {- 37 a^{6} - 81 a^{5} b x - 45 a^{4} b^{2} x^{2}}{3 a^{3} b^{7} + 9 a^{2} b^{8} x + 9 a b^{9} x^{2} + 3 b^{10} x^{3}} + \frac {x^{3}}{3 b^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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