Integrand size = 18, antiderivative size = 118 \[ \int x \log \left (d+e \left (f^{c (a+b x)}\right )^n\right ) \, dx=\frac {1}{2} x^2 \log \left (d+e \left (f^{c (a+b x)}\right )^n\right )-\frac {1}{2} x^2 \log \left (1+\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )-\frac {x \operatorname {PolyLog}\left (2,-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )}{b c n \log (f)}+\frac {\operatorname {PolyLog}\left (3,-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )}{b^2 c^2 n^2 \log ^2(f)} \]
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Time = 0.05 (sec) , antiderivative size = 118, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {2612, 2611, 2320, 6724} \[ \int x \log \left (d+e \left (f^{c (a+b x)}\right )^n\right ) \, dx=\frac {\operatorname {PolyLog}\left (3,-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )}{b^2 c^2 n^2 \log ^2(f)}-\frac {x \operatorname {PolyLog}\left (2,-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )}{b c n \log (f)}+\frac {1}{2} x^2 \log \left (e \left (f^{c (a+b x)}\right )^n+d\right )-\frac {1}{2} x^2 \log \left (\frac {e \left (f^{c (a+b x)}\right )^n}{d}+1\right ) \]
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Rule 2320
Rule 2611
Rule 2612
Rule 6724
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} x^2 \log \left (d+e \left (f^{c (a+b x)}\right )^n\right )-\frac {1}{2} x^2 \log \left (1+\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )+\int x \log \left (1+\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right ) \, dx \\ & = \frac {1}{2} x^2 \log \left (d+e \left (f^{c (a+b x)}\right )^n\right )-\frac {1}{2} x^2 \log \left (1+\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )-\frac {x \text {Li}_2\left (-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )}{b c n \log (f)}+\frac {\int \text {Li}_2\left (-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right ) \, dx}{b c n \log (f)} \\ & = \frac {1}{2} x^2 \log \left (d+e \left (f^{c (a+b x)}\right )^n\right )-\frac {1}{2} x^2 \log \left (1+\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )-\frac {x \text {Li}_2\left (-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )}{b c n \log (f)}+\frac {\text {Subst}\left (\int \frac {\text {Li}_2\left (-\frac {e x^n}{d}\right )}{x} \, dx,x,f^{c (a+b x)}\right )}{b^2 c^2 n \log ^2(f)} \\ & = \frac {1}{2} x^2 \log \left (d+e \left (f^{c (a+b x)}\right )^n\right )-\frac {1}{2} x^2 \log \left (1+\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )-\frac {x \text {Li}_2\left (-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )}{b c n \log (f)}+\frac {\text {Li}_3\left (-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )}{b^2 c^2 n^2 \log ^2(f)} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 118, normalized size of antiderivative = 1.00 \[ \int x \log \left (d+e \left (f^{c (a+b x)}\right )^n\right ) \, dx=\frac {1}{2} x^2 \log \left (d+e \left (f^{c (a+b x)}\right )^n\right )-\frac {1}{2} x^2 \log \left (1+\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )-\frac {x \operatorname {PolyLog}\left (2,-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )}{b c n \log (f)}+\frac {\operatorname {PolyLog}\left (3,-\frac {e \left (f^{c (a+b x)}\right )^n}{d}\right )}{b^2 c^2 n^2 \log ^2(f)} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(557\) vs. \(2(114)=228\).
Time = 0.58 (sec) , antiderivative size = 558, normalized size of antiderivative = 4.73
method | result | size |
risch | \(\frac {x^{2} \ln \left (d +e \left (f^{c \left (b x +a \right )}\right )^{n}\right )}{2}-\frac {\ln \left (f^{c \left (b x +a \right )}\right )^{2} \ln \left (1+\frac {e \,f^{x b c n} f^{-x b c n} \left (f^{c \left (b x +a \right )}\right )^{n}}{d}\right )}{2 \ln \left (f \right )^{2} b^{2} c^{2}}-\frac {\ln \left (f^{c \left (b x +a \right )}\right ) \operatorname {Li}_{2}\left (-\frac {e \,f^{x b c n} f^{-x b c n} \left (f^{c \left (b x +a \right )}\right )^{n}}{d}\right )}{n \ln \left (f \right )^{2} b^{2} c^{2}}+\frac {\operatorname {Li}_{3}\left (-\frac {e \,f^{x b c n} f^{-x b c n} \left (f^{c \left (b x +a \right )}\right )^{n}}{d}\right )}{n^{2} \ln \left (f \right )^{2} b^{2} c^{2}}-\frac {\ln \left (d +f^{x b c n} f^{-x b c n} \left (f^{c \left (b x +a \right )}\right )^{n} e \right ) x^{2}}{2}+\frac {\ln \left (d +f^{x b c n} f^{-x b c n} \left (f^{c \left (b x +a \right )}\right )^{n} e \right ) \ln \left (f^{c \left (b x +a \right )}\right ) x}{\ln \left (f \right ) b c}-\frac {\ln \left (d +f^{x b c n} f^{-x b c n} \left (f^{c \left (b x +a \right )}\right )^{n} e \right ) \ln \left (f^{c \left (b x +a \right )}\right )^{2}}{2 \ln \left (f \right )^{2} b^{2} c^{2}}-\frac {\operatorname {dilog}\left (\frac {d +f^{x b c n} f^{-x b c n} \left (f^{c \left (b x +a \right )}\right )^{n} e}{d}\right ) x}{n \ln \left (f \right ) b c}+\frac {\operatorname {dilog}\left (\frac {d +f^{x b c n} f^{-x b c n} \left (f^{c \left (b x +a \right )}\right )^{n} e}{d}\right ) \ln \left (f^{c \left (b x +a \right )}\right )}{n \ln \left (f \right )^{2} b^{2} c^{2}}-\frac {\ln \left (\frac {d +f^{x b c n} f^{-x b c n} \left (f^{c \left (b x +a \right )}\right )^{n} e}{d}\right ) x \ln \left (f^{c \left (b x +a \right )}\right )}{c b \ln \left (f \right )}+\frac {\ln \left (\frac {d +f^{x b c n} f^{-x b c n} \left (f^{c \left (b x +a \right )}\right )^{n} e}{d}\right ) \ln \left (f^{c \left (b x +a \right )}\right )^{2}}{c^{2} b^{2} \ln \left (f \right )^{2}}\) | \(558\) |
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Time = 0.34 (sec) , antiderivative size = 169, normalized size of antiderivative = 1.43 \[ \int x \log \left (d+e \left (f^{c (a+b x)}\right )^n\right ) \, dx=-\frac {2 \, b c n x {\rm Li}_2\left (-\frac {e f^{b c n x + a c n} + d}{d} + 1\right ) \log \left (f\right ) - {\left (b^{2} c^{2} n^{2} x^{2} - a^{2} c^{2} n^{2}\right )} \log \left (e f^{b c n x + a c n} + d\right ) \log \left (f\right )^{2} + {\left (b^{2} c^{2} n^{2} x^{2} - a^{2} c^{2} n^{2}\right )} \log \left (f\right )^{2} \log \left (\frac {e f^{b c n x + a c n} + d}{d}\right ) - 2 \, {\rm polylog}\left (3, -\frac {e f^{b c n x + a c n}}{d}\right )}{2 \, b^{2} c^{2} n^{2} \log \left (f\right )^{2}} \]
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\[ \int x \log \left (d+e \left (f^{c (a+b x)}\right )^n\right ) \, dx=\int x \log {\left (d + e \left (f^{a c + b c x}\right )^{n} \right )}\, dx \]
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Time = 0.23 (sec) , antiderivative size = 126, normalized size of antiderivative = 1.07 \[ \int x \log \left (d+e \left (f^{c (a+b x)}\right )^n\right ) \, dx=\frac {1}{2} \, x^{2} \log \left (e f^{{\left (b x + a\right )} c n} + d\right ) - \frac {b^{2} c^{2} n^{2} x^{2} \log \left (\frac {e f^{b c n x} f^{a c n}}{d} + 1\right ) \log \left (f\right )^{2} + 2 \, b c n x {\rm Li}_2\left (-\frac {e f^{b c n x} f^{a c n}}{d}\right ) \log \left (f\right ) - 2 \, {\rm Li}_{3}(-\frac {e f^{b c n x} f^{a c n}}{d})}{2 \, b^{2} c^{2} n^{2} \log \left (f\right )^{2}} \]
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\[ \int x \log \left (d+e \left (f^{c (a+b x)}\right )^n\right ) \, dx=\int { x \log \left (e {\left (f^{{\left (b x + a\right )} c}\right )}^{n} + d\right ) \,d x } \]
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Timed out. \[ \int x \log \left (d+e \left (f^{c (a+b x)}\right )^n\right ) \, dx=\int x\,\ln \left (d+e\,{\left (f^{c\,\left (a+b\,x\right )}\right )}^n\right ) \,d x \]
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