Optimal. Leaf size=86 \[ -\frac {a^7}{3 x^3}-\frac {7 a^6 b}{2 x^2}-\frac {21 a^5 b^2}{x}+35 a^4 b^3 \log (x)+35 a^3 b^4 x+\frac {21}{2} a^2 b^5 x^2+\frac {7}{3} a b^6 x^3+\frac {b^7 x^4}{4} \]
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Rubi [A] time = 0.03, antiderivative size = 86, 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 {21}{2} a^2 b^5 x^2-\frac {21 a^5 b^2}{x}+35 a^3 b^4 x+35 a^4 b^3 \log (x)-\frac {7 a^6 b}{2 x^2}-\frac {a^7}{3 x^3}+\frac {7}{3} a b^6 x^3+\frac {b^7 x^4}{4} \end {gather*}
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin {align*} \int \frac {(a+b x)^7}{x^4} \, dx &=\int \left (35 a^3 b^4+\frac {a^7}{x^4}+\frac {7 a^6 b}{x^3}+\frac {21 a^5 b^2}{x^2}+\frac {35 a^4 b^3}{x}+21 a^2 b^5 x+7 a b^6 x^2+b^7 x^3\right ) \, dx\\ &=-\frac {a^7}{3 x^3}-\frac {7 a^6 b}{2 x^2}-\frac {21 a^5 b^2}{x}+35 a^3 b^4 x+\frac {21}{2} a^2 b^5 x^2+\frac {7}{3} a b^6 x^3+\frac {b^7 x^4}{4}+35 a^4 b^3 \log (x)\\ \end {align*}
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Mathematica [A] time = 0.00, size = 86, normalized size = 1.00 \begin {gather*} -\frac {a^7}{3 x^3}-\frac {7 a^6 b}{2 x^2}-\frac {21 a^5 b^2}{x}+35 a^4 b^3 \log (x)+35 a^3 b^4 x+\frac {21}{2} a^2 b^5 x^2+\frac {7}{3} a b^6 x^3+\frac {b^7 x^4}{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 {(a+b x)^7}{x^4} \, dx \end {gather*}
Verification is not applicable to the result.
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fricas [A] time = 1.33, size = 81, normalized size = 0.94 \begin {gather*} \frac {3 \, b^{7} x^{7} + 28 \, a b^{6} x^{6} + 126 \, a^{2} b^{5} x^{5} + 420 \, a^{3} b^{4} x^{4} + 420 \, a^{4} b^{3} x^{3} \log \relax (x) - 252 \, a^{5} b^{2} x^{2} - 42 \, a^{6} b x - 4 \, a^{7}}{12 \, x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.09, size = 78, normalized size = 0.91 \begin {gather*} \frac {1}{4} \, b^{7} x^{4} + \frac {7}{3} \, a b^{6} x^{3} + \frac {21}{2} \, a^{2} b^{5} x^{2} + 35 \, a^{3} b^{4} x + 35 \, a^{4} b^{3} \log \left ({\left | x \right |}\right ) - \frac {126 \, a^{5} b^{2} x^{2} + 21 \, a^{6} b x + 2 \, a^{7}}{6 \, x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 77, normalized size = 0.90 \begin {gather*} \frac {b^{7} x^{4}}{4}+\frac {7 a \,b^{6} x^{3}}{3}+\frac {21 a^{2} b^{5} x^{2}}{2}+35 a^{4} b^{3} \ln \relax (x )+35 a^{3} b^{4} x -\frac {21 a^{5} b^{2}}{x}-\frac {7 a^{6} b}{2 x^{2}}-\frac {a^{7}}{3 x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.33, size = 77, normalized size = 0.90 \begin {gather*} \frac {1}{4} \, b^{7} x^{4} + \frac {7}{3} \, a b^{6} x^{3} + \frac {21}{2} \, a^{2} b^{5} x^{2} + 35 \, a^{3} b^{4} x + 35 \, a^{4} b^{3} \log \relax (x) - \frac {126 \, a^{5} b^{2} x^{2} + 21 \, a^{6} b x + 2 \, a^{7}}{6 \, x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.05, size = 77, normalized size = 0.90 \begin {gather*} \frac {b^7\,x^4}{4}-\frac {\frac {a^7}{3}+\frac {7\,a^6\,b\,x}{2}+21\,a^5\,b^2\,x^2}{x^3}+35\,a^3\,b^4\,x+\frac {7\,a\,b^6\,x^3}{3}+\frac {21\,a^2\,b^5\,x^2}{2}+35\,a^4\,b^3\,\ln \relax (x) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.31, size = 87, normalized size = 1.01 \begin {gather*} 35 a^{4} b^{3} \log {\relax (x )} + 35 a^{3} b^{4} x + \frac {21 a^{2} b^{5} x^{2}}{2} + \frac {7 a b^{6} x^{3}}{3} + \frac {b^{7} x^{4}}{4} + \frac {- 2 a^{7} - 21 a^{6} b x - 126 a^{5} b^{2} x^{2}}{6 x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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