Integrand size = 16, antiderivative size = 84 \[ \int (d+e x) \log \left (c (a+b x)^p\right ) \, dx=-\frac {(b d-a e) p x}{2 b}-\frac {p (d+e x)^2}{4 e}-\frac {(b d-a e)^2 p \log (a+b x)}{2 b^2 e}+\frac {(d+e x)^2 \log \left (c (a+b x)^p\right )}{2 e} \]
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Time = 0.02 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {2442, 45} \[ \int (d+e x) \log \left (c (a+b x)^p\right ) \, dx=-\frac {p (b d-a e)^2 \log (a+b x)}{2 b^2 e}+\frac {(d+e x)^2 \log \left (c (a+b x)^p\right )}{2 e}-\frac {p x (b d-a e)}{2 b}-\frac {p (d+e x)^2}{4 e} \]
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Rule 45
Rule 2442
Rubi steps \begin{align*} \text {integral}& = \frac {(d+e x)^2 \log \left (c (a+b x)^p\right )}{2 e}-\frac {(b p) \int \frac {(d+e x)^2}{a+b x} \, dx}{2 e} \\ & = \frac {(d+e x)^2 \log \left (c (a+b x)^p\right )}{2 e}-\frac {(b p) \int \left (\frac {e (b d-a e)}{b^2}+\frac {(b d-a e)^2}{b^2 (a+b x)}+\frac {e (d+e x)}{b}\right ) \, dx}{2 e} \\ & = -\frac {(b d-a e) p x}{2 b}-\frac {p (d+e x)^2}{4 e}-\frac {(b d-a e)^2 p \log (a+b x)}{2 b^2 e}+\frac {(d+e x)^2 \log \left (c (a+b x)^p\right )}{2 e} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 78, normalized size of antiderivative = 0.93 \[ \int (d+e x) \log \left (c (a+b x)^p\right ) \, dx=-d p x-\frac {1}{2} e p \left (-\frac {a x}{b}+\frac {x^2}{2}+\frac {a^2 \log (a+b x)}{b^2}\right )+\frac {1}{2} e x^2 \log \left (c (a+b x)^p\right )+\frac {d (a+b x) \log \left (c (a+b x)^p\right )}{b} \]
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Time = 0.37 (sec) , antiderivative size = 77, normalized size of antiderivative = 0.92
method | result | size |
parts | \(\frac {\ln \left (c \left (b x +a \right )^{p}\right ) e \,x^{2}}{2}+d \ln \left (c \left (b x +a \right )^{p}\right ) x -\frac {p b \left (-\frac {-\frac {1}{2} b e \,x^{2}+a e x -2 b d x}{b^{2}}+\frac {a \left (a e -2 b d \right ) \ln \left (b x +a \right )}{b^{3}}\right )}{2}\) | \(77\) |
norman | \(d x \ln \left (c \,{\mathrm e}^{p \ln \left (b x +a \right )}\right )-\frac {e p \,x^{2}}{4}+\frac {e \,x^{2} \ln \left (c \,{\mathrm e}^{p \ln \left (b x +a \right )}\right )}{2}+\frac {p \left (a e -2 b d \right ) x}{2 b}-\frac {p \left (a^{2} e -2 a b d \right ) \ln \left (b x +a \right )}{2 b^{2}}\) | \(80\) |
default | \(d \ln \left (c \left (b x +a \right )^{p}\right ) x -d p x +\frac {d p a \ln \left (b x +a \right )}{b}+\frac {e \,x^{2} \ln \left (c \,{\mathrm e}^{p \ln \left (b x +a \right )}\right )}{2}-\frac {e p \,x^{2}}{4}-\frac {p \,a^{2} e \ln \left (b x +a \right )}{2 b^{2}}+\frac {a e p x}{2 b}\) | \(83\) |
parallelrisch | \(-\frac {-2 x^{2} \ln \left (c \left (b x +a \right )^{p}\right ) b^{2} e +b^{2} e p \,x^{2}+2 \ln \left (b x +a \right ) a^{2} e p -8 \ln \left (b x +a \right ) a b d p -4 x \ln \left (c \left (b x +a \right )^{p}\right ) b^{2} d -2 a b e p x +4 b^{2} d p x +4 \ln \left (c \left (b x +a \right )^{p}\right ) a b d +2 a^{2} e p -4 a b d p}{4 b^{2}}\) | \(120\) |
risch | \(\left (\frac {1}{2} e \,x^{2}+d x \right ) \ln \left (\left (b x +a \right )^{p}\right )+\frac {i \pi d x \,\operatorname {csgn}\left (i \left (b x +a \right )^{p}\right ) \operatorname {csgn}\left (i c \left (b x +a \right )^{p}\right )^{2}}{2}-\frac {i \pi e \,x^{2} \operatorname {csgn}\left (i \left (b x +a \right )^{p}\right ) \operatorname {csgn}\left (i c \left (b x +a \right )^{p}\right ) \operatorname {csgn}\left (i c \right )}{4}+\frac {i \pi e \,x^{2} \operatorname {csgn}\left (i c \left (b x +a \right )^{p}\right )^{2} \operatorname {csgn}\left (i c \right )}{4}-\frac {i \pi d x \,\operatorname {csgn}\left (i \left (b x +a \right )^{p}\right ) \operatorname {csgn}\left (i c \left (b x +a \right )^{p}\right ) \operatorname {csgn}\left (i c \right )}{2}+\frac {i \pi d x \operatorname {csgn}\left (i c \left (b x +a \right )^{p}\right )^{2} \operatorname {csgn}\left (i c \right )}{2}-\frac {i \pi e \,x^{2} \operatorname {csgn}\left (i c \left (b x +a \right )^{p}\right )^{3}}{4}+\frac {i \pi e \,x^{2} \operatorname {csgn}\left (i \left (b x +a \right )^{p}\right ) \operatorname {csgn}\left (i c \left (b x +a \right )^{p}\right )^{2}}{4}-\frac {i \pi d x \operatorname {csgn}\left (i c \left (b x +a \right )^{p}\right )^{3}}{2}+\frac {\ln \left (c \right ) e \,x^{2}}{2}-\frac {e p \,x^{2}}{4}+\ln \left (c \right ) d x -\frac {p \,a^{2} e \ln \left (b x +a \right )}{2 b^{2}}+\frac {d p a \ln \left (b x +a \right )}{b}+\frac {a e p x}{2 b}-d p x\) | \(312\) |
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Time = 0.34 (sec) , antiderivative size = 91, normalized size of antiderivative = 1.08 \[ \int (d+e x) \log \left (c (a+b x)^p\right ) \, dx=-\frac {b^{2} e p x^{2} + 2 \, {\left (2 \, b^{2} d - a b e\right )} p x - 2 \, {\left (b^{2} e p x^{2} + 2 \, b^{2} d p x + {\left (2 \, a b d - a^{2} e\right )} p\right )} \log \left (b x + a\right ) - 2 \, {\left (b^{2} e x^{2} + 2 \, b^{2} d x\right )} \log \left (c\right )}{4 \, b^{2}} \]
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Time = 0.36 (sec) , antiderivative size = 105, normalized size of antiderivative = 1.25 \[ \int (d+e x) \log \left (c (a+b x)^p\right ) \, dx=\begin {cases} - \frac {a^{2} e \log {\left (c \left (a + b x\right )^{p} \right )}}{2 b^{2}} + \frac {a d \log {\left (c \left (a + b x\right )^{p} \right )}}{b} + \frac {a e p x}{2 b} - d p x + d x \log {\left (c \left (a + b x\right )^{p} \right )} - \frac {e p x^{2}}{4} + \frac {e x^{2} \log {\left (c \left (a + b x\right )^{p} \right )}}{2} & \text {for}\: b \neq 0 \\\left (d x + \frac {e x^{2}}{2}\right ) \log {\left (a^{p} c \right )} & \text {otherwise} \end {cases} \]
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Time = 0.19 (sec) , antiderivative size = 74, normalized size of antiderivative = 0.88 \[ \int (d+e x) \log \left (c (a+b x)^p\right ) \, dx=-\frac {1}{4} \, b p {\left (\frac {b e x^{2} + 2 \, {\left (2 \, b d - a e\right )} x}{b^{2}} - \frac {2 \, {\left (2 \, a b d - a^{2} e\right )} \log \left (b x + a\right )}{b^{3}}\right )} + \frac {1}{2} \, {\left (e x^{2} + 2 \, d x\right )} \log \left ({\left (b x + a\right )}^{p} c\right ) \]
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Time = 0.31 (sec) , antiderivative size = 136, normalized size of antiderivative = 1.62 \[ \int (d+e x) \log \left (c (a+b x)^p\right ) \, dx=\frac {{\left (b x + a\right )} d p \log \left (b x + a\right )}{b} + \frac {{\left (b x + a\right )}^{2} e p \log \left (b x + a\right )}{2 \, b^{2}} - \frac {{\left (b x + a\right )} a e p \log \left (b x + a\right )}{b^{2}} - \frac {{\left (b x + a\right )} d p}{b} - \frac {{\left (b x + a\right )}^{2} e p}{4 \, b^{2}} + \frac {{\left (b x + a\right )} a e p}{b^{2}} + \frac {{\left (b x + a\right )} d \log \left (c\right )}{b} + \frac {{\left (b x + a\right )}^{2} e \log \left (c\right )}{2 \, b^{2}} - \frac {{\left (b x + a\right )} a e \log \left (c\right )}{b^{2}} \]
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Time = 1.25 (sec) , antiderivative size = 68, normalized size of antiderivative = 0.81 \[ \int (d+e x) \log \left (c (a+b x)^p\right ) \, dx=\ln \left (c\,{\left (a+b\,x\right )}^p\right )\,\left (\frac {e\,x^2}{2}+d\,x\right )-x\,\left (d\,p-\frac {a\,e\,p}{2\,b}\right )-\frac {e\,p\,x^2}{4}-\frac {\ln \left (a+b\,x\right )\,\left (a^2\,e\,p-2\,a\,b\,d\,p\right )}{2\,b^2} \]
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