Integrand size = 25, antiderivative size = 27 \[ \int \frac {(a+b \log (c (e+f x)))^2}{d e+d f x} \, dx=\frac {(a+b \log (c (e+f x)))^3}{3 b d f} \]
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Time = 0.04 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.160, Rules used = {2437, 12, 2339, 30} \[ \int \frac {(a+b \log (c (e+f x)))^2}{d e+d f x} \, dx=\frac {(a+b \log (c (e+f x)))^3}{3 b d f} \]
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Rule 12
Rule 30
Rule 2339
Rule 2437
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {(a+b \log (c x))^2}{d x} \, dx,x,e+f x\right )}{f} \\ & = \frac {\text {Subst}\left (\int \frac {(a+b \log (c x))^2}{x} \, dx,x,e+f x\right )}{d f} \\ & = \frac {\text {Subst}\left (\int x^2 \, dx,x,a+b \log (c (e+f x))\right )}{b d f} \\ & = \frac {(a+b \log (c (e+f x)))^3}{3 b d f} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00 \[ \int \frac {(a+b \log (c (e+f x)))^2}{d e+d f x} \, dx=\frac {(a+b \log (c (e+f x)))^3}{3 b d f} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(53\) vs. \(2(25)=50\).
Time = 0.50 (sec) , antiderivative size = 54, normalized size of antiderivative = 2.00
method | result | size |
parallelrisch | \(\frac {\ln \left (c \left (f x +e \right )\right )^{3} b^{2} f +3 \ln \left (c \left (f x +e \right )\right )^{2} a b f +3 \ln \left (c \left (f x +e \right )\right ) a^{2} f}{3 d \,f^{2}}\) | \(54\) |
risch | \(\frac {b^{2} \ln \left (c \left (f x +e \right )\right )^{3}}{3 d f}+\frac {a b \ln \left (c \left (f x +e \right )\right )^{2}}{d f}+\frac {a^{2} \ln \left (f x +e \right )}{d f}\) | \(58\) |
parts | \(\frac {b^{2} \ln \left (c \left (f x +e \right )\right )^{3}}{3 d f}+\frac {a b \ln \left (c \left (f x +e \right )\right )^{2}}{d f}+\frac {a^{2} \ln \left (f x +e \right )}{d f}\) | \(58\) |
norman | \(\frac {a^{2} \ln \left (c \left (f x +e \right )\right )}{d f}+\frac {a b \ln \left (c \left (f x +e \right )\right )^{2}}{d f}+\frac {b^{2} \ln \left (c \left (f x +e \right )\right )^{3}}{3 d f}\) | \(60\) |
derivativedivides | \(\frac {\frac {c \,a^{2} \ln \left (c f x +c e \right )}{d}+\frac {c a b \ln \left (c f x +c e \right )^{2}}{d}+\frac {c \,b^{2} \ln \left (c f x +c e \right )^{3}}{3 d}}{c f}\) | \(64\) |
default | \(\frac {\frac {c \,a^{2} \ln \left (c f x +c e \right )}{d}+\frac {c a b \ln \left (c f x +c e \right )^{2}}{d}+\frac {c \,b^{2} \ln \left (c f x +c e \right )^{3}}{3 d}}{c f}\) | \(64\) |
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Leaf count of result is larger than twice the leaf count of optimal. 53 vs. \(2 (25) = 50\).
Time = 0.27 (sec) , antiderivative size = 53, normalized size of antiderivative = 1.96 \[ \int \frac {(a+b \log (c (e+f x)))^2}{d e+d f x} \, dx=\frac {b^{2} \log \left (c f x + c e\right )^{3} + 3 \, a b \log \left (c f x + c e\right )^{2} + 3 \, a^{2} \log \left (c f x + c e\right )}{3 \, d f} \]
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Leaf count of result is larger than twice the leaf count of optimal. 51 vs. \(2 (19) = 38\).
Time = 0.09 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.89 \[ \int \frac {(a+b \log (c (e+f x)))^2}{d e+d f x} \, dx=\frac {a^{2} \log {\left (d e + d f x \right )}}{d f} + \frac {a b \log {\left (c \left (e + f x\right ) \right )}^{2}}{d f} + \frac {b^{2} \log {\left (c \left (e + f x\right ) \right )}^{3}}{3 d f} \]
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Leaf count of result is larger than twice the leaf count of optimal. 128 vs. \(2 (25) = 50\).
Time = 0.22 (sec) , antiderivative size = 128, normalized size of antiderivative = 4.74 \[ \int \frac {(a+b \log (c (e+f x)))^2}{d e+d f x} \, dx=-a b {\left (\frac {2 \, \log \left (c f x + c e\right ) \log \left (d f x + d e\right )}{d f} - \frac {\log \left (f x + e\right )^{2} + 2 \, \log \left (f x + e\right ) \log \left (c\right )}{d f}\right )} + \frac {b^{2} \log \left (c f x + c e\right )^{3}}{3 \, d f} + \frac {2 \, a b \log \left (c f x + c e\right ) \log \left (d f x + d e\right )}{d f} + \frac {a^{2} \log \left (d f x + d e\right )}{d f} \]
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Leaf count of result is larger than twice the leaf count of optimal. 59 vs. \(2 (25) = 50\).
Time = 0.38 (sec) , antiderivative size = 59, normalized size of antiderivative = 2.19 \[ \int \frac {(a+b \log (c (e+f x)))^2}{d e+d f x} \, dx=\frac {b^{2} \log \left (c f x + c e\right )^{3}}{3 \, d f} + \frac {a b \log \left (c f x + c e\right )^{2}}{d f} + \frac {a^{2} \log \left (f x + e\right )}{d f} \]
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Time = 1.64 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.85 \[ \int \frac {(a+b \log (c (e+f x)))^2}{d e+d f x} \, dx=\frac {3\,\ln \left (e+f\,x\right )\,a^2+3\,a\,b\,{\ln \left (c\,e+c\,f\,x\right )}^2+b^2\,{\ln \left (c\,e+c\,f\,x\right )}^3}{3\,d\,f} \]
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