Integrand size = 30, antiderivative size = 196 \[ \int x \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right ) \, dx=-\frac {2 b d g n^2 x}{e}+\frac {b g n^2 (d+e x)^2}{4 e^2}+\frac {b d^2 g n^2 \log ^2(d+e x)}{2 e^2}+\frac {1}{2} x^2 \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )+\frac {d n (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{e^2}-\frac {n (d+e x)^2 \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{4 e^2}-\frac {d^2 n \log (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{2 e^2} \]
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Time = 0.18 (sec) , antiderivative size = 196, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.233, Rules used = {2483, 2458, 45, 2372, 12, 14, 2338} \[ \int x \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right ) \, dx=-\frac {d^2 n \log (d+e x) \left (a g+2 b g \log \left (c (d+e x)^n\right )+b f\right )}{2 e^2}+\frac {d n (d+e x) \left (a g+2 b g \log \left (c (d+e x)^n\right )+b f\right )}{e^2}-\frac {n (d+e x)^2 \left (a g+2 b g \log \left (c (d+e x)^n\right )+b f\right )}{4 e^2}+\frac {1}{2} x^2 \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (g \log \left (c (d+e x)^n\right )+f\right )+\frac {b d^2 g n^2 \log ^2(d+e x)}{2 e^2}+\frac {b g n^2 (d+e x)^2}{4 e^2}-\frac {2 b d g n^2 x}{e} \]
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Rule 12
Rule 14
Rule 45
Rule 2338
Rule 2372
Rule 2458
Rule 2483
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} x^2 \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )-\frac {1}{2} (e n) \int \frac {x^2 \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{d+e x} \, dx \\ & = \frac {1}{2} x^2 \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )-\frac {1}{2} n \text {Subst}\left (\int \frac {\left (-\frac {d}{e}+\frac {x}{e}\right )^2 \left (b f+a g+2 b g \log \left (c x^n\right )\right )}{x} \, dx,x,d+e x\right ) \\ & = \frac {1}{2} x^2 \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )+\frac {d n (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{e^2}-\frac {n (d+e x)^2 \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{4 e^2}-\frac {d^2 n \log (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{2 e^2}+\left (b g n^2\right ) \text {Subst}\left (\int \frac {x (-4 d+x)+2 d^2 \log (x)}{2 e^2 x} \, dx,x,d+e x\right ) \\ & = \frac {1}{2} x^2 \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )+\frac {d n (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{e^2}-\frac {n (d+e x)^2 \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{4 e^2}-\frac {d^2 n \log (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{2 e^2}+\frac {\left (b g n^2\right ) \text {Subst}\left (\int \frac {x (-4 d+x)+2 d^2 \log (x)}{x} \, dx,x,d+e x\right )}{2 e^2} \\ & = \frac {1}{2} x^2 \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )+\frac {d n (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{e^2}-\frac {n (d+e x)^2 \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{4 e^2}-\frac {d^2 n \log (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{2 e^2}+\frac {\left (b g n^2\right ) \text {Subst}\left (\int \left (-4 d+x+\frac {2 d^2 \log (x)}{x}\right ) \, dx,x,d+e x\right )}{2 e^2} \\ & = -\frac {2 b d g n^2 x}{e}+\frac {b g n^2 (d+e x)^2}{4 e^2}+\frac {1}{2} x^2 \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )+\frac {d n (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{e^2}-\frac {n (d+e x)^2 \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{4 e^2}-\frac {d^2 n \log (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{2 e^2}+\frac {\left (b d^2 g n^2\right ) \text {Subst}\left (\int \frac {\log (x)}{x} \, dx,x,d+e x\right )}{e^2} \\ & = -\frac {2 b d g n^2 x}{e}+\frac {b g n^2 (d+e x)^2}{4 e^2}+\frac {b d^2 g n^2 \log ^2(d+e x)}{2 e^2}+\frac {1}{2} x^2 \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right )+\frac {d n (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{e^2}-\frac {n (d+e x)^2 \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{4 e^2}-\frac {d^2 n \log (d+e x) \left (b f+a g+2 b g \log \left (c (d+e x)^n\right )\right )}{2 e^2} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 152, normalized size of antiderivative = 0.78 \[ \int x \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right ) \, dx=\frac {e x (2 a d g n+2 b d n (f-3 g n)+a e (2 f-g n) x+b e n (-f+g n) x)-2 d^2 (b f+a g) n \log (d+e x)+2 \left (a e^2 g x^2+b \left (3 d^2 g n+2 d e g n x+e^2 (f-g n) x^2\right )\right ) \log \left (c (d+e x)^n\right )-2 b g \left (d^2-e^2 x^2\right ) \log ^2\left (c (d+e x)^n\right )}{4 e^2} \]
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Time = 0.56 (sec) , antiderivative size = 284, normalized size of antiderivative = 1.45
method | result | size |
parallelrisch | \(-\frac {-2 x^{2} \ln \left (c \left (e x +d \right )^{n}\right )^{2} b \,e^{2} g +2 x^{2} \ln \left (c \left (e x +d \right )^{n}\right ) b \,e^{2} g n -x^{2} e^{2} b g \,n^{2}-10 \ln \left (e x +d \right ) b \,d^{2} g \,n^{2}-2 x^{2} \ln \left (c \left (e x +d \right )^{n}\right ) a \,e^{2} g -2 x^{2} \ln \left (c \left (e x +d \right )^{n}\right ) b \,e^{2} f +x^{2} e^{2} n a g +b \,e^{2} f n \,x^{2}-4 x \ln \left (c \left (e x +d \right )^{n}\right ) b d e g n +6 x e b d g \,n^{2}+2 \ln \left (e x +d \right ) a \,d^{2} g n +2 \ln \left (e x +d \right ) b \,d^{2} f n -2 a \,e^{2} f \,x^{2}-2 a d e g n x -2 b d e f n x +2 \ln \left (c \left (e x +d \right )^{n}\right )^{2} b \,d^{2} g +4 \ln \left (c \left (e x +d \right )^{n}\right ) b \,d^{2} g n -6 b \,d^{2} g \,n^{2}+2 a \,d^{2} g n +2 d^{2} b f n}{4 e^{2}}\) | \(284\) |
risch | \(\text {Expression too large to display}\) | \(1558\) |
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Time = 0.29 (sec) , antiderivative size = 256, normalized size of antiderivative = 1.31 \[ \int x \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right ) \, dx=\frac {2 \, b e^{2} g x^{2} \log \left (c\right )^{2} + {\left (b e^{2} g n^{2} + 2 \, a e^{2} f - {\left (b e^{2} f + a e^{2} g\right )} n\right )} x^{2} + 2 \, {\left (b e^{2} g n^{2} x^{2} - b d^{2} g n^{2}\right )} \log \left (e x + d\right )^{2} - 2 \, {\left (3 \, b d e g n^{2} - {\left (b d e f + a d e g\right )} n\right )} x + 2 \, {\left (2 \, b d e g n^{2} x + 3 \, b d^{2} g n^{2} - {\left (b e^{2} g n^{2} - {\left (b e^{2} f + a e^{2} g\right )} n\right )} x^{2} - {\left (b d^{2} f + a d^{2} g\right )} n + 2 \, {\left (b e^{2} g n x^{2} - b d^{2} g n\right )} \log \left (c\right )\right )} \log \left (e x + d\right ) + 2 \, {\left (2 \, b d e g n x - {\left (b e^{2} g n - b e^{2} f - a e^{2} g\right )} x^{2}\right )} \log \left (c\right )}{4 \, e^{2}} \]
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Time = 0.65 (sec) , antiderivative size = 296, normalized size of antiderivative = 1.51 \[ \int x \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right ) \, dx=\begin {cases} - \frac {a d^{2} g \log {\left (c \left (d + e x\right )^{n} \right )}}{2 e^{2}} + \frac {a d g n x}{2 e} + \frac {a f x^{2}}{2} - \frac {a g n x^{2}}{4} + \frac {a g x^{2} \log {\left (c \left (d + e x\right )^{n} \right )}}{2} - \frac {b d^{2} f \log {\left (c \left (d + e x\right )^{n} \right )}}{2 e^{2}} + \frac {3 b d^{2} g n \log {\left (c \left (d + e x\right )^{n} \right )}}{2 e^{2}} - \frac {b d^{2} g \log {\left (c \left (d + e x\right )^{n} \right )}^{2}}{2 e^{2}} + \frac {b d f n x}{2 e} - \frac {3 b d g n^{2} x}{2 e} + \frac {b d g n x \log {\left (c \left (d + e x\right )^{n} \right )}}{e} - \frac {b f n x^{2}}{4} + \frac {b f x^{2} \log {\left (c \left (d + e x\right )^{n} \right )}}{2} + \frac {b g n^{2} x^{2}}{4} - \frac {b g n x^{2} \log {\left (c \left (d + e x\right )^{n} \right )}}{2} + \frac {b g x^{2} \log {\left (c \left (d + e x\right )^{n} \right )}^{2}}{2} & \text {for}\: e \neq 0 \\\frac {x^{2} \left (a + b \log {\left (c d^{n} \right )}\right ) \left (f + g \log {\left (c d^{n} \right )}\right )}{2} & \text {otherwise} \end {cases} \]
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Time = 0.20 (sec) , antiderivative size = 224, normalized size of antiderivative = 1.14 \[ \int x \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right ) \, dx=\frac {1}{2} \, b g x^{2} \log \left ({\left (e x + d\right )}^{n} c\right )^{2} - \frac {1}{4} \, b e f n {\left (\frac {2 \, d^{2} \log \left (e x + d\right )}{e^{3}} + \frac {e x^{2} - 2 \, d x}{e^{2}}\right )} - \frac {1}{4} \, a e g n {\left (\frac {2 \, d^{2} \log \left (e x + d\right )}{e^{3}} + \frac {e x^{2} - 2 \, d x}{e^{2}}\right )} + \frac {1}{2} \, b f x^{2} \log \left ({\left (e x + d\right )}^{n} c\right ) + \frac {1}{2} \, a g x^{2} \log \left ({\left (e x + d\right )}^{n} c\right ) + \frac {1}{2} \, a f x^{2} - \frac {1}{4} \, {\left (2 \, e n {\left (\frac {2 \, d^{2} \log \left (e x + d\right )}{e^{3}} + \frac {e x^{2} - 2 \, d x}{e^{2}}\right )} \log \left ({\left (e x + d\right )}^{n} c\right ) - \frac {{\left (e^{2} x^{2} + 2 \, d^{2} \log \left (e x + d\right )^{2} - 6 \, d e x + 6 \, d^{2} \log \left (e x + d\right )\right )} n^{2}}{e^{2}}\right )} b g \]
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Leaf count of result is larger than twice the leaf count of optimal. 467 vs. \(2 (186) = 372\).
Time = 0.32 (sec) , antiderivative size = 467, normalized size of antiderivative = 2.38 \[ \int x \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right ) \, dx=\frac {{\left (e x + d\right )}^{2} b g n^{2} \log \left (e x + d\right )^{2}}{2 \, e^{2}} - \frac {{\left (e x + d\right )} b d g n^{2} \log \left (e x + d\right )^{2}}{e^{2}} - \frac {{\left (e x + d\right )}^{2} b g n^{2} \log \left (e x + d\right )}{2 \, e^{2}} + \frac {2 \, {\left (e x + d\right )} b d g n^{2} \log \left (e x + d\right )}{e^{2}} + \frac {{\left (e x + d\right )}^{2} b g n \log \left (e x + d\right ) \log \left (c\right )}{e^{2}} - \frac {2 \, {\left (e x + d\right )} b d g n \log \left (e x + d\right ) \log \left (c\right )}{e^{2}} + \frac {{\left (e x + d\right )}^{2} b g n^{2}}{4 \, e^{2}} - \frac {2 \, {\left (e x + d\right )} b d g n^{2}}{e^{2}} + \frac {{\left (e x + d\right )}^{2} b f n \log \left (e x + d\right )}{2 \, e^{2}} - \frac {{\left (e x + d\right )} b d f n \log \left (e x + d\right )}{e^{2}} + \frac {{\left (e x + d\right )}^{2} a g n \log \left (e x + d\right )}{2 \, e^{2}} - \frac {{\left (e x + d\right )} a d g n \log \left (e x + d\right )}{e^{2}} - \frac {{\left (e x + d\right )}^{2} b g n \log \left (c\right )}{2 \, e^{2}} + \frac {2 \, {\left (e x + d\right )} b d g n \log \left (c\right )}{e^{2}} + \frac {{\left (e x + d\right )}^{2} b g \log \left (c\right )^{2}}{2 \, e^{2}} - \frac {{\left (e x + d\right )} b d g \log \left (c\right )^{2}}{e^{2}} - \frac {{\left (e x + d\right )}^{2} b f n}{4 \, e^{2}} + \frac {{\left (e x + d\right )} b d f n}{e^{2}} - \frac {{\left (e x + d\right )}^{2} a g n}{4 \, e^{2}} + \frac {{\left (e x + d\right )} a d g n}{e^{2}} + \frac {{\left (e x + d\right )}^{2} b f \log \left (c\right )}{2 \, e^{2}} - \frac {{\left (e x + d\right )} b d f \log \left (c\right )}{e^{2}} + \frac {{\left (e x + d\right )}^{2} a g \log \left (c\right )}{2 \, e^{2}} - \frac {{\left (e x + d\right )} a d g \log \left (c\right )}{e^{2}} + \frac {{\left (e x + d\right )}^{2} a f}{2 \, e^{2}} - \frac {{\left (e x + d\right )} a d f}{e^{2}} \]
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Time = 1.45 (sec) , antiderivative size = 203, normalized size of antiderivative = 1.04 \[ \int x \left (a+b \log \left (c (d+e x)^n\right )\right ) \left (f+g \log \left (c (d+e x)^n\right )\right ) \, dx=x\,\left (\frac {d\,\left (a\,f-b\,g\,n^2\right )}{e}-\frac {d\,\left (a\,f-\frac {a\,g\,n}{2}-\frac {b\,f\,n}{2}+\frac {b\,g\,n^2}{2}\right )}{e}\right )+\ln \left (c\,{\left (d+e\,x\right )}^n\right )\,\left (\left (\frac {a\,g}{2}+\frac {b\,f}{2}-\frac {b\,g\,n}{2}\right )\,x^2+\left (\frac {d\,\left (a\,g+b\,f\right )}{e}-\frac {d\,\left (a\,g+b\,f-b\,g\,n\right )}{e}\right )\,x\right )+{\ln \left (c\,{\left (d+e\,x\right )}^n\right )}^2\,\left (\frac {b\,g\,x^2}{2}-\frac {b\,d^2\,g}{2\,e^2}\right )+x^2\,\left (\frac {a\,f}{2}-\frac {a\,g\,n}{4}-\frac {b\,f\,n}{4}+\frac {b\,g\,n^2}{4}\right )-\frac {\ln \left (d+e\,x\right )\,\left (a\,d^2\,g\,n+b\,d^2\,f\,n-3\,b\,d^2\,g\,n^2\right )}{2\,e^2} \]
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