Integrand size = 19, antiderivative size = 54 \[ \int \frac {(a c-b c x)^3}{(a+b x)^2} \, dx=5 a c^3 x-\frac {1}{2} b c^3 x^2-\frac {8 a^3 c^3}{b (a+b x)}-\frac {12 a^2 c^3 \log (a+b x)}{b} \]
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Time = 0.02 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.053, Rules used = {45} \[ \int \frac {(a c-b c x)^3}{(a+b x)^2} \, dx=-\frac {8 a^3 c^3}{b (a+b x)}-\frac {12 a^2 c^3 \log (a+b x)}{b}+5 a c^3 x-\frac {1}{2} b c^3 x^2 \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (5 a c^3-b c^3 x+\frac {8 a^3 c^3}{(a+b x)^2}-\frac {12 a^2 c^3}{a+b x}\right ) \, dx \\ & = 5 a c^3 x-\frac {1}{2} b c^3 x^2-\frac {8 a^3 c^3}{b (a+b x)}-\frac {12 a^2 c^3 \log (a+b x)}{b} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.85 \[ \int \frac {(a c-b c x)^3}{(a+b x)^2} \, dx=c^3 \left (5 a x-\frac {b x^2}{2}-\frac {8 a^3}{b (a+b x)}-\frac {12 a^2 \log (a+b x)}{b}\right ) \]
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Time = 0.31 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.83
method | result | size |
default | \(c^{3} \left (-\frac {b \,x^{2}}{2}+5 a x -\frac {12 a^{2} \ln \left (b x +a \right )}{b}-\frac {8 a^{3}}{b \left (b x +a \right )}\right )\) | \(45\) |
risch | \(5 a \,c^{3} x -\frac {b \,c^{3} x^{2}}{2}-\frac {8 a^{3} c^{3}}{b \left (b x +a \right )}-\frac {12 a^{2} c^{3} \ln \left (b x +a \right )}{b}\) | \(53\) |
norman | \(\frac {13 a^{2} c^{3} x -\frac {1}{2} b^{2} c^{3} x^{3}+\frac {9}{2} a \,c^{3} b \,x^{2}}{b x +a}-\frac {12 a^{2} c^{3} \ln \left (b x +a \right )}{b}\) | \(58\) |
parallelrisch | \(-\frac {x^{3} a \,b^{3} c^{3}+24 \ln \left (b x +a \right ) x \,a^{3} b \,c^{3}-9 x^{2} a^{2} b^{2} c^{3}+24 \ln \left (b x +a \right ) a^{4} c^{3}-26 x \,a^{3} b \,c^{3}}{2 a \left (b x +a \right ) b}\) | \(82\) |
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Time = 0.22 (sec) , antiderivative size = 79, normalized size of antiderivative = 1.46 \[ \int \frac {(a c-b c x)^3}{(a+b x)^2} \, dx=-\frac {b^{3} c^{3} x^{3} - 9 \, a b^{2} c^{3} x^{2} - 10 \, a^{2} b c^{3} x + 16 \, a^{3} c^{3} + 24 \, {\left (a^{2} b c^{3} x + a^{3} c^{3}\right )} \log \left (b x + a\right )}{2 \, {\left (b^{2} x + a b\right )}} \]
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Time = 0.13 (sec) , antiderivative size = 51, normalized size of antiderivative = 0.94 \[ \int \frac {(a c-b c x)^3}{(a+b x)^2} \, dx=- \frac {8 a^{3} c^{3}}{a b + b^{2} x} - \frac {12 a^{2} c^{3} \log {\left (a + b x \right )}}{b} + 5 a c^{3} x - \frac {b c^{3} x^{2}}{2} \]
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Time = 0.20 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.98 \[ \int \frac {(a c-b c x)^3}{(a+b x)^2} \, dx=-\frac {1}{2} \, b c^{3} x^{2} - \frac {8 \, a^{3} c^{3}}{b^{2} x + a b} + 5 \, a c^{3} x - \frac {12 \, a^{2} c^{3} \log \left (b x + a\right )}{b} \]
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Time = 0.29 (sec) , antiderivative size = 80, normalized size of antiderivative = 1.48 \[ \int \frac {(a c-b c x)^3}{(a+b x)^2} \, dx=\frac {12 \, a^{2} c^{3} \log \left (\frac {{\left | b x + a \right |}}{{\left (b x + a\right )}^{2} {\left | b \right |}}\right )}{b} - \frac {8 \, a^{3} c^{3}}{{\left (b x + a\right )} b} + \frac {{\left (\frac {12 \, a c^{3}}{b x + a} - c^{3}\right )} {\left (b x + a\right )}^{2}}{2 \, b} \]
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Time = 0.06 (sec) , antiderivative size = 52, normalized size of antiderivative = 0.96 \[ \int \frac {(a c-b c x)^3}{(a+b x)^2} \, dx=5\,a\,c^3\,x-\frac {b\,c^3\,x^2}{2}-\frac {12\,a^2\,c^3\,\ln \left (a+b\,x\right )}{b}-\frac {8\,a^3\,c^3}{b\,\left (a+b\,x\right )} \]
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