Integrand size = 23, antiderivative size = 80 \[ \int \frac {\left (d+e x^r\right ) \left (a+b \log \left (c x^n\right )\right )^2}{x} \, dx=\frac {2 b^2 e n^2 x^r}{r^3}-\frac {2 b e n x^r \left (a+b \log \left (c x^n\right )\right )}{r^2}+\frac {e x^r \left (a+b \log \left (c x^n\right )\right )^2}{r}+\frac {d \left (a+b \log \left (c x^n\right )\right )^3}{3 b n} \]
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Time = 0.09 (sec) , antiderivative size = 80, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.217, Rules used = {2395, 2339, 30, 2342, 2341} \[ \int \frac {\left (d+e x^r\right ) \left (a+b \log \left (c x^n\right )\right )^2}{x} \, dx=\frac {d \left (a+b \log \left (c x^n\right )\right )^3}{3 b n}-\frac {2 b e n x^r \left (a+b \log \left (c x^n\right )\right )}{r^2}+\frac {e x^r \left (a+b \log \left (c x^n\right )\right )^2}{r}+\frac {2 b^2 e n^2 x^r}{r^3} \]
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Rule 30
Rule 2339
Rule 2341
Rule 2342
Rule 2395
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {d \left (a+b \log \left (c x^n\right )\right )^2}{x}+e x^{-1+r} \left (a+b \log \left (c x^n\right )\right )^2\right ) \, dx \\ & = d \int \frac {\left (a+b \log \left (c x^n\right )\right )^2}{x} \, dx+e \int x^{-1+r} \left (a+b \log \left (c x^n\right )\right )^2 \, dx \\ & = \frac {e x^r \left (a+b \log \left (c x^n\right )\right )^2}{r}+\frac {d \text {Subst}\left (\int x^2 \, dx,x,a+b \log \left (c x^n\right )\right )}{b n}-\frac {(2 b e n) \int x^{-1+r} \left (a+b \log \left (c x^n\right )\right ) \, dx}{r} \\ & = \frac {2 b^2 e n^2 x^r}{r^3}-\frac {2 b e n x^r \left (a+b \log \left (c x^n\right )\right )}{r^2}+\frac {e x^r \left (a+b \log \left (c x^n\right )\right )^2}{r}+\frac {d \left (a+b \log \left (c x^n\right )\right )^3}{3 b n} \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 109, normalized size of antiderivative = 1.36 \[ \int \frac {\left (d+e x^r\right ) \left (a+b \log \left (c x^n\right )\right )^2}{x} \, dx=\frac {e \left (2 b^2 n^2-2 a b n r+a^2 r^2\right ) x^r}{r^3}+a^2 d \log (x)-\frac {2 b e (b n-a r) x^r \log \left (c x^n\right )}{r^2}+\frac {b \left (a d r+b e n x^r\right ) \log ^2\left (c x^n\right )}{n r}+\frac {b^2 d \log ^3\left (c x^n\right )}{3 n} \]
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Time = 0.83 (sec) , antiderivative size = 149, normalized size of antiderivative = 1.86
method | result | size |
parallelrisch | \(\frac {3 x^{r} \ln \left (c \,x^{n}\right )^{2} b^{2} e \,r^{2} n +b^{2} d \ln \left (c \,x^{n}\right )^{3} r^{3}+3 \ln \left (x \right ) a^{2} d n \,r^{3}+6 x^{r} \ln \left (c \,x^{n}\right ) a b e n \,r^{2}-6 x^{r} \ln \left (c \,x^{n}\right ) b^{2} e \,n^{2} r +3 a b d \ln \left (c \,x^{n}\right )^{2} r^{3}+3 x^{r} a^{2} e n \,r^{2}-6 x^{r} a b e \,n^{2} r +6 x^{r} b^{2} e \,n^{3}}{3 r^{3} n}\) | \(149\) |
risch | \(\text {Expression too large to display}\) | \(1712\) |
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Leaf count of result is larger than twice the leaf count of optimal. 193 vs. \(2 (78) = 156\).
Time = 0.31 (sec) , antiderivative size = 193, normalized size of antiderivative = 2.41 \[ \int \frac {\left (d+e x^r\right ) \left (a+b \log \left (c x^n\right )\right )^2}{x} \, dx=\frac {b^{2} d n^{2} r^{3} \log \left (x\right )^{3} + 3 \, {\left (b^{2} d n r^{3} \log \left (c\right ) + a b d n r^{3}\right )} \log \left (x\right )^{2} + 3 \, {\left (b^{2} e n^{2} r^{2} \log \left (x\right )^{2} + b^{2} e r^{2} \log \left (c\right )^{2} + 2 \, b^{2} e n^{2} - 2 \, a b e n r + a^{2} e r^{2} - 2 \, {\left (b^{2} e n r - a b e r^{2}\right )} \log \left (c\right ) + 2 \, {\left (b^{2} e n r^{2} \log \left (c\right ) - b^{2} e n^{2} r + a b e n r^{2}\right )} \log \left (x\right )\right )} x^{r} + 3 \, {\left (b^{2} d r^{3} \log \left (c\right )^{2} + 2 \, a b d r^{3} \log \left (c\right ) + a^{2} d r^{3}\right )} \log \left (x\right )}{3 \, r^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 245 vs. \(2 (76) = 152\).
Time = 6.87 (sec) , antiderivative size = 245, normalized size of antiderivative = 3.06 \[ \int \frac {\left (d+e x^r\right ) \left (a+b \log \left (c x^n\right )\right )^2}{x} \, dx=\begin {cases} \left (a + b \log {\left (c \right )}\right )^{2} \left (d + e\right ) \log {\left (x \right )} & \text {for}\: n = 0 \wedge r = 0 \\\left (a + b \log {\left (c \right )}\right )^{2} \left (d \log {\left (x \right )} + \frac {e x^{r}}{r}\right ) & \text {for}\: n = 0 \\\left (d + e\right ) \left (\begin {cases} \frac {a^{2} \log {\left (c x^{n} \right )} + a b \log {\left (c x^{n} \right )}^{2} + \frac {b^{2} \log {\left (c x^{n} \right )}^{3}}{3}}{n} & \text {for}\: n \neq 0 \\\left (a^{2} + 2 a b \log {\left (c \right )} + b^{2} \log {\left (c \right )}^{2}\right ) \log {\left (x \right )} & \text {otherwise} \end {cases}\right ) & \text {for}\: r = 0 \\\frac {a^{2} d \log {\left (c x^{n} \right )}}{n} + \frac {a^{2} e x^{r}}{r} + \frac {a b d \log {\left (c x^{n} \right )}^{2}}{n} - \frac {2 a b e n x^{r}}{r^{2}} + \frac {2 a b e x^{r} \log {\left (c x^{n} \right )}}{r} + \frac {b^{2} d \log {\left (c x^{n} \right )}^{3}}{3 n} + \frac {2 b^{2} e n^{2} x^{r}}{r^{3}} - \frac {2 b^{2} e n x^{r} \log {\left (c x^{n} \right )}}{r^{2}} + \frac {b^{2} e x^{r} \log {\left (c x^{n} \right )}^{2}}{r} & \text {otherwise} \end {cases} \]
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Time = 0.20 (sec) , antiderivative size = 131, normalized size of antiderivative = 1.64 \[ \int \frac {\left (d+e x^r\right ) \left (a+b \log \left (c x^n\right )\right )^2}{x} \, dx=\frac {b^{2} e x^{r} \log \left (c x^{n}\right )^{2}}{r} + \frac {b^{2} d \log \left (c x^{n}\right )^{3}}{3 \, n} - 2 \, b^{2} e {\left (\frac {n x^{r} \log \left (c x^{n}\right )}{r^{2}} - \frac {n^{2} x^{r}}{r^{3}}\right )} + \frac {2 \, a b e x^{r} \log \left (c x^{n}\right )}{r} + \frac {a b d \log \left (c x^{n}\right )^{2}}{n} + a^{2} d \log \left (x\right ) - \frac {2 \, a b e n x^{r}}{r^{2}} + \frac {a^{2} e x^{r}}{r} \]
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\[ \int \frac {\left (d+e x^r\right ) \left (a+b \log \left (c x^n\right )\right )^2}{x} \, dx=\int { \frac {{\left (e x^{r} + d\right )} {\left (b \log \left (c x^{n}\right ) + a\right )}^{2}}{x} \,d x } \]
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Timed out. \[ \int \frac {\left (d+e x^r\right ) \left (a+b \log \left (c x^n\right )\right )^2}{x} \, dx=\int \frac {\left (d+e\,x^r\right )\,{\left (a+b\,\ln \left (c\,x^n\right )\right )}^2}{x} \,d x \]
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