Optimal. Leaf size=84 \[ -\frac {a^7}{5 x^5}-\frac {7 a^6 b}{4 x^4}-\frac {7 a^5 b^2}{x^3}-\frac {35 a^4 b^3}{2 x^2}-\frac {35 a^3 b^4}{x}+7 a b^6 x+\frac {b^7 x^2}{2}+21 a^2 b^5 \log (x) \]
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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}{5 x^5}-\frac {7 a^6 b}{4 x^4}-\frac {7 a^5 b^2}{x^3}-\frac {35 a^4 b^3}{2 x^2}-\frac {35 a^3 b^4}{x}+21 a^2 b^5 \log (x)+7 a b^6 x+\frac {b^7 x^2}{2} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rubi steps
\begin {align*} \int \frac {(a+b x)^7}{x^6} \, dx &=\int \left (7 a b^6+\frac {a^7}{x^6}+\frac {7 a^6 b}{x^5}+\frac {21 a^5 b^2}{x^4}+\frac {35 a^4 b^3}{x^3}+\frac {35 a^3 b^4}{x^2}+\frac {21 a^2 b^5}{x}+b^7 x\right ) \, dx\\ &=-\frac {a^7}{5 x^5}-\frac {7 a^6 b}{4 x^4}-\frac {7 a^5 b^2}{x^3}-\frac {35 a^4 b^3}{2 x^2}-\frac {35 a^3 b^4}{x}+7 a b^6 x+\frac {b^7 x^2}{2}+21 a^2 b^5 \log (x)\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 84, normalized size = 1.00 \begin {gather*} -\frac {a^7}{5 x^5}-\frac {7 a^6 b}{4 x^4}-\frac {7 a^5 b^2}{x^3}-\frac {35 a^4 b^3}{2 x^2}-\frac {35 a^3 b^4}{x}+7 a b^6 x+\frac {b^7 x^2}{2}+21 a^2 b^5 \log (x) \end {gather*}
Antiderivative was successfully verified.
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Mathics [A]
time = 2.28, size = 80, normalized size = 0.95 \begin {gather*} \frac {-a^3 \left (4 a^4+35 a^3 b x+140 a^2 b^2 x^2+350 a b^3 x^3+700 b^4 x^4\right )+10 b^5 x^5 \left (42 a^2 \text {Log}\left [x\right ]+14 a b x+b^2 x^2\right )}{20 x^5} \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 | \(-\frac {a^{7}}{5 x^{5}}-\frac {7 a^{6} b}{4 x^{4}}-\frac {7 a^{5} b^{2}}{x^{3}}-\frac {35 a^{4} b^{3}}{2 x^{2}}-\frac {35 a^{3} b^{4}}{x}+7 a \,b^{6} x +\frac {b^{7} x^{2}}{2}+21 a^{2} b^{5} \ln \left (x \right )\) | \(77\) |
risch | \(\frac {b^{7} x^{2}}{2}+7 a \,b^{6} x +\frac {-35 a^{3} b^{4} x^{4}-\frac {35}{2} a^{4} b^{3} x^{3}-7 a^{5} b^{2} x^{2}-\frac {7}{4} a^{6} b x -\frac {1}{5} a^{7}}{x^{5}}+21 a^{2} b^{5} \ln \left (x \right )\) | \(77\) |
norman | \(\frac {-\frac {1}{5} a^{7}+\frac {1}{2} b^{7} x^{7}+7 a \,b^{6} x^{6}-35 a^{3} b^{4} x^{4}-\frac {35}{2} a^{4} b^{3} x^{3}-7 a^{5} b^{2} x^{2}-\frac {7}{4} a^{6} b x}{x^{5}}+21 a^{2} b^{5} \ln \left (x \right )\) | \(79\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 77, normalized size = 0.92 \begin {gather*} \frac {1}{2} \, b^{7} x^{2} + 7 \, a b^{6} x + 21 \, a^{2} b^{5} \log \left (x\right ) - \frac {700 \, a^{3} b^{4} x^{4} + 350 \, a^{4} b^{3} x^{3} + 140 \, a^{5} b^{2} x^{2} + 35 \, a^{6} b x + 4 \, a^{7}}{20 \, x^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.30, size = 81, normalized size = 0.96 \begin {gather*} \frac {10 \, b^{7} x^{7} + 140 \, a b^{6} x^{6} + 420 \, a^{2} b^{5} x^{5} \log \left (x\right ) - 700 \, a^{3} b^{4} x^{4} - 350 \, a^{4} b^{3} x^{3} - 140 \, a^{5} b^{2} x^{2} - 35 \, a^{6} b x - 4 \, a^{7}}{20 \, x^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.19, size = 83, normalized size = 0.99 \begin {gather*} 21 a^{2} b^{5} \log {\left (x \right )} + 7 a b^{6} x + \frac {b^{7} x^{2}}{2} + \frac {- 4 a^{7} - 35 a^{6} b x - 140 a^{5} b^{2} x^{2} - 350 a^{4} b^{3} x^{3} - 700 a^{3} b^{4} x^{4}}{20 x^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.00, size = 88, normalized size = 1.05 \begin {gather*} \frac {1}{2} x^{2} b^{7}+7 x b^{6} a+\frac {\frac {1}{20} \left (-700 b^{4} a^{3} x^{4}-350 b^{3} a^{4} x^{3}-140 b^{2} a^{5} x^{2}-35 b a^{6} x-4 a^{7}\right )}{x^{5}}+21 b^{5} a^{2} \ln \left |x\right | \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.11, size = 77, normalized size = 0.92 \begin {gather*} \frac {b^7\,x^2}{2}-\frac {\frac {a^7}{5}+\frac {7\,a^6\,b\,x}{4}+7\,a^5\,b^2\,x^2+\frac {35\,a^4\,b^3\,x^3}{2}+35\,a^3\,b^4\,x^4}{x^5}+21\,a^2\,b^5\,\ln \left (x\right )+7\,a\,b^6\,x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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