Integrand size = 25, antiderivative size = 25 \[ \int \frac {1}{\left (d+e x+f x^2\right ) \log \left (c (a+b x)^n\right )} \, dx=\frac {2 f \text {Int}\left (\frac {1}{\left (e-\sqrt {e^2-4 d f}+2 f x\right ) \log \left (c (a+b x)^n\right )},x\right )}{\sqrt {e^2-4 d f}}-\frac {2 f \text {Int}\left (\frac {1}{\left (e+\sqrt {e^2-4 d f}+2 f x\right ) \log \left (c (a+b x)^n\right )},x\right )}{\sqrt {e^2-4 d f}} \]
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Not integrable
Time = 0.12 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00, number of steps used = 0, number of rules used = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \[ \int \frac {1}{\left (d+e x+f x^2\right ) \log \left (c (a+b x)^n\right )} \, dx=\int \frac {1}{\left (d+e x+f x^2\right ) \log \left (c (a+b x)^n\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {2 f}{\sqrt {e^2-4 d f} \left (e-\sqrt {e^2-4 d f}+2 f x\right ) \log \left (c (a+b x)^n\right )}-\frac {2 f}{\sqrt {e^2-4 d f} \left (e+\sqrt {e^2-4 d f}+2 f x\right ) \log \left (c (a+b x)^n\right )}\right ) \, dx \\ & = \frac {(2 f) \int \frac {1}{\left (e-\sqrt {e^2-4 d f}+2 f x\right ) \log \left (c (a+b x)^n\right )} \, dx}{\sqrt {e^2-4 d f}}-\frac {(2 f) \int \frac {1}{\left (e+\sqrt {e^2-4 d f}+2 f x\right ) \log \left (c (a+b x)^n\right )} \, dx}{\sqrt {e^2-4 d f}} \\ \end{align*}
Not integrable
Time = 0.62 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {1}{\left (d+e x+f x^2\right ) \log \left (c (a+b x)^n\right )} \, dx=\int \frac {1}{\left (d+e x+f x^2\right ) \log \left (c (a+b x)^n\right )} \, dx \]
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Not integrable
Time = 0.62 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00
\[\int \frac {1}{\left (f \,x^{2}+e x +d \right ) \ln \left (c \left (b x +a \right )^{n}\right )}d x\]
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Not integrable
Time = 0.29 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {1}{\left (d+e x+f x^2\right ) \log \left (c (a+b x)^n\right )} \, dx=\int { \frac {1}{{\left (f x^{2} + e x + d\right )} \log \left ({\left (b x + a\right )}^{n} c\right )} \,d x } \]
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Timed out. \[ \int \frac {1}{\left (d+e x+f x^2\right ) \log \left (c (a+b x)^n\right )} \, dx=\text {Timed out} \]
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Not integrable
Time = 0.26 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {1}{\left (d+e x+f x^2\right ) \log \left (c (a+b x)^n\right )} \, dx=\int { \frac {1}{{\left (f x^{2} + e x + d\right )} \log \left ({\left (b x + a\right )}^{n} c\right )} \,d x } \]
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Not integrable
Time = 0.34 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {1}{\left (d+e x+f x^2\right ) \log \left (c (a+b x)^n\right )} \, dx=\int { \frac {1}{{\left (f x^{2} + e x + d\right )} \log \left ({\left (b x + a\right )}^{n} c\right )} \,d x } \]
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Not integrable
Time = 1.20 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.08 \[ \int \frac {1}{\left (d+e x+f x^2\right ) \log \left (c (a+b x)^n\right )} \, dx=\int \frac {1}{\ln \left (c\,{\left (a+b\,x\right )}^n\right )\,\left (f\,x^2+e\,x+d\right )} \,d x \]
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