Optimal. Leaf size=84 \[ -\frac {a^7}{2 x^2}-\frac {7 a^6 b}{x}+35 a^4 b^3 x+\frac {35}{2} a^3 b^4 x^2+7 a^2 b^5 x^3+\frac {7}{4} a b^6 x^4+\frac {b^7 x^5}{5}+21 a^5 b^2 \log (x) \]
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Rubi [A]
time = 0.02, antiderivative size = 84, 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 = {45}
\begin {gather*} -\frac {a^7}{2 x^2}-\frac {7 a^6 b}{x}+21 a^5 b^2 \log (x)+35 a^4 b^3 x+\frac {35}{2} a^3 b^4 x^2+7 a^2 b^5 x^3+\frac {7}{4} a b^6 x^4+\frac {b^7 x^5}{5} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rubi steps
\begin {align*} \int \frac {(a+b x)^7}{x^3} \, dx &=\int \left (35 a^4 b^3+\frac {a^7}{x^3}+\frac {7 a^6 b}{x^2}+\frac {21 a^5 b^2}{x}+35 a^3 b^4 x+21 a^2 b^5 x^2+7 a b^6 x^3+b^7 x^4\right ) \, dx\\ &=-\frac {a^7}{2 x^2}-\frac {7 a^6 b}{x}+35 a^4 b^3 x+\frac {35}{2} a^3 b^4 x^2+7 a^2 b^5 x^3+\frac {7}{4} a b^6 x^4+\frac {b^7 x^5}{5}+21 a^5 b^2 \log (x)\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 84, normalized size = 1.00 \begin {gather*} -\frac {a^7}{2 x^2}-\frac {7 a^6 b}{x}+35 a^4 b^3 x+\frac {35}{2} a^3 b^4 x^2+7 a^2 b^5 x^3+\frac {7}{4} a b^6 x^4+\frac {b^7 x^5}{5}+21 a^5 b^2 \log (x) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.08, size = 77, normalized size = 0.92
method | result | size |
default | \(-\frac {a^{7}}{2 x^{2}}-\frac {7 a^{6} b}{x}+35 a^{4} b^{3} x +\frac {35 a^{3} b^{4} x^{2}}{2}+7 a^{2} b^{5} x^{3}+\frac {7 a \,b^{6} x^{4}}{4}+\frac {b^{7} x^{5}}{5}+21 a^{5} b^{2} \ln \left (x \right )\) | \(77\) |
risch | \(\frac {b^{7} x^{5}}{5}+\frac {7 a \,b^{6} x^{4}}{4}+7 a^{2} b^{5} x^{3}+\frac {35 a^{3} b^{4} x^{2}}{2}+35 a^{4} b^{3} x +\frac {-7 a^{6} b x -\frac {1}{2} a^{7}}{x^{2}}+21 a^{5} b^{2} \ln \left (x \right )\) | \(77\) |
norman | \(\frac {-\frac {1}{2} a^{7}+\frac {1}{5} b^{7} x^{7}+\frac {7}{4} a \,b^{6} x^{6}+7 a^{2} b^{5} x^{5}+\frac {35}{2} a^{3} b^{4} x^{4}+35 a^{4} b^{3} x^{3}-7 a^{6} b x}{x^{2}}+21 a^{5} b^{2} \ln \left (x \right )\) | \(79\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 75, normalized size = 0.89 \begin {gather*} \frac {1}{5} \, b^{7} x^{5} + \frac {7}{4} \, a b^{6} x^{4} + 7 \, a^{2} b^{5} x^{3} + \frac {35}{2} \, a^{3} b^{4} x^{2} + 35 \, a^{4} b^{3} x + 21 \, a^{5} b^{2} \log \left (x\right ) - \frac {14 \, a^{6} b x + a^{7}}{2 \, x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.88, size = 81, normalized size = 0.96 \begin {gather*} \frac {4 \, b^{7} x^{7} + 35 \, a b^{6} x^{6} + 140 \, a^{2} b^{5} x^{5} + 350 \, a^{3} b^{4} x^{4} + 700 \, a^{4} b^{3} x^{3} + 420 \, a^{5} b^{2} x^{2} \log \left (x\right ) - 140 \, a^{6} b x - 10 \, a^{7}}{20 \, x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.07, size = 85, normalized size = 1.01 \begin {gather*} 21 a^{5} b^{2} \log {\left (x \right )} + 35 a^{4} b^{3} x + \frac {35 a^{3} b^{4} x^{2}}{2} + 7 a^{2} b^{5} x^{3} + \frac {7 a b^{6} x^{4}}{4} + \frac {b^{7} x^{5}}{5} + \frac {- a^{7} - 14 a^{6} b x}{2 x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.36, size = 76, normalized size = 0.90 \begin {gather*} \frac {1}{5} \, b^{7} x^{5} + \frac {7}{4} \, a b^{6} x^{4} + 7 \, a^{2} b^{5} x^{3} + \frac {35}{2} \, a^{3} b^{4} x^{2} + 35 \, a^{4} b^{3} x + 21 \, a^{5} b^{2} \log \left ({\left | x \right |}\right ) - \frac {14 \, a^{6} b x + a^{7}}{2 \, x^{2}} \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 = 0.92 \begin {gather*} \frac {b^7\,x^5}{5}-\frac {\frac {a^7}{2}+7\,b\,x\,a^6}{x^2}+35\,a^4\,b^3\,x+\frac {7\,a\,b^6\,x^4}{4}+\frac {35\,a^3\,b^4\,x^2}{2}+7\,a^2\,b^5\,x^3+21\,a^5\,b^2\,\ln \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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