Integrand size = 30, antiderivative size = 157 \[ \int \frac {(h+i x)^2 (a+b \log (c (e+f x)))}{d e+d f x} \, dx=-\frac {b (4 f h-3 e i+f i x)^2}{4 d f^3}-\frac {b (f h-e i)^2 \log ^2(e+f x)}{2 d f^3}+\frac {2 i (f h-e i) (e+f x) (a+b \log (c (e+f x)))}{d f^3}+\frac {i^2 (e+f x)^2 (a+b \log (c (e+f x)))}{2 d f^3}+\frac {(f h-e i)^2 \log (e+f x) (a+b \log (c (e+f x)))}{d f^3} \]
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Time = 0.19 (sec) , antiderivative size = 157, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {2458, 12, 45, 2372, 14, 2338} \[ \int \frac {(h+i x)^2 (a+b \log (c (e+f x)))}{d e+d f x} \, dx=\frac {(f h-e i)^2 \log (e+f x) (a+b \log (c (e+f x)))}{d f^3}+\frac {2 i (e+f x) (f h-e i) (a+b \log (c (e+f x)))}{d f^3}+\frac {i^2 (e+f x)^2 (a+b \log (c (e+f x)))}{2 d f^3}-\frac {b (-3 e i+4 f h+f i x)^2}{4 d f^3}-\frac {b (f h-e i)^2 \log ^2(e+f x)}{2 d f^3} \]
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Rule 12
Rule 14
Rule 45
Rule 2338
Rule 2372
Rule 2458
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {\left (\frac {f h-e i}{f}+\frac {i x}{f}\right )^2 (a+b \log (c x))}{d x} \, dx,x,e+f x\right )}{f} \\ & = \frac {\text {Subst}\left (\int \frac {\left (\frac {f h-e i}{f}+\frac {i x}{f}\right )^2 (a+b \log (c x))}{x} \, dx,x,e+f x\right )}{d f} \\ & = \frac {2 i (f h-e i) (e+f x) (a+b \log (c (e+f x)))}{d f^3}+\frac {i^2 (e+f x)^2 (a+b \log (c (e+f x)))}{2 d f^3}+\frac {(f h-e i)^2 \log (e+f x) (a+b \log (c (e+f x)))}{d f^3}-\frac {b \text {Subst}\left (\int \frac {i x (4 f h+i (-4 e+x))+2 (f h-e i)^2 \log (x)}{2 f^2 x} \, dx,x,e+f x\right )}{d f} \\ & = \frac {2 i (f h-e i) (e+f x) (a+b \log (c (e+f x)))}{d f^3}+\frac {i^2 (e+f x)^2 (a+b \log (c (e+f x)))}{2 d f^3}+\frac {(f h-e i)^2 \log (e+f x) (a+b \log (c (e+f x)))}{d f^3}-\frac {b \text {Subst}\left (\int \frac {i x (4 f h+i (-4 e+x))+2 (f h-e i)^2 \log (x)}{x} \, dx,x,e+f x\right )}{2 d f^3} \\ & = \frac {2 i (f h-e i) (e+f x) (a+b \log (c (e+f x)))}{d f^3}+\frac {i^2 (e+f x)^2 (a+b \log (c (e+f x)))}{2 d f^3}+\frac {(f h-e i)^2 \log (e+f x) (a+b \log (c (e+f x)))}{d f^3}-\frac {b \text {Subst}\left (\int \left (-i (-4 f h+4 e i-i x)+\frac {2 (f h-e i)^2 \log (x)}{x}\right ) \, dx,x,e+f x\right )}{2 d f^3} \\ & = -\frac {b (4 f h-3 e i+f i x)^2}{4 d f^3}+\frac {2 i (f h-e i) (e+f x) (a+b \log (c (e+f x)))}{d f^3}+\frac {i^2 (e+f x)^2 (a+b \log (c (e+f x)))}{2 d f^3}+\frac {(f h-e i)^2 \log (e+f x) (a+b \log (c (e+f x)))}{d f^3}-\frac {\left (b (f h-e i)^2\right ) \text {Subst}\left (\int \frac {\log (x)}{x} \, dx,x,e+f x\right )}{d f^3} \\ & = -\frac {b (4 f h-3 e i+f i x)^2}{4 d f^3}-\frac {b (f h-e i)^2 \log ^2(e+f x)}{2 d f^3}+\frac {2 i (f h-e i) (e+f x) (a+b \log (c (e+f x)))}{d f^3}+\frac {i^2 (e+f x)^2 (a+b \log (c (e+f x)))}{2 d f^3}+\frac {(f h-e i)^2 \log (e+f x) (a+b \log (c (e+f x)))}{d f^3} \\ \end{align*}
Time = 0.10 (sec) , antiderivative size = 214, normalized size of antiderivative = 1.36 \[ \int \frac {(h+i x)^2 (a+b \log (c (e+f x)))}{d e+d f x} \, dx=\frac {2 a^2 f^2 h^2-4 a^2 e f h i+2 a^2 e^2 i^2+8 a b f^2 h i x-8 b^2 f^2 h i x-4 a b e f i^2 x+6 b^2 e f i^2 x+2 a b f^2 i^2 x^2-b^2 f^2 i^2 x^2-2 b^2 e^2 i^2 \log (e+f x)+2 b \left (2 a (f h-e i)^2+b i \left (-2 e^2 i+e f (4 h-2 i x)+f^2 x (4 h+i x)\right )\right ) \log (c (e+f x))+2 b^2 (f h-e i)^2 \log ^2(c (e+f x))}{4 b d f^3} \]
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Time = 0.65 (sec) , antiderivative size = 202, normalized size of antiderivative = 1.29
method | result | size |
norman | \(\frac {\left (2 a \,e^{2} i^{2}-4 a e f h i +2 a \,f^{2} h^{2}-3 b \,e^{2} i^{2}+4 b e f h i \right ) \ln \left (c \left (f x +e \right )\right )}{2 d \,f^{3}}+\frac {b \left (e^{2} i^{2}-2 e f h i +f^{2} h^{2}\right ) \ln \left (c \left (f x +e \right )\right )^{2}}{2 d \,f^{3}}-\frac {i \left (2 a e i -4 a f h -3 b e i +4 b f h \right ) x}{2 d \,f^{2}}+\frac {i^{2} \left (2 a -b \right ) x^{2}}{4 d f}+\frac {b \,i^{2} x^{2} \ln \left (c \left (f x +e \right )\right )}{2 d f}-\frac {b i \left (e i -2 f h \right ) x \ln \left (c \left (f x +e \right )\right )}{d \,f^{2}}\) | \(202\) |
parts | \(\frac {a \left (\frac {i \left (\frac {1}{2} f i \,x^{2}-x e i +2 x f h \right )}{f^{2}}+\frac {\left (e^{2} i^{2}-2 e f h i +f^{2} h^{2}\right ) \ln \left (f x +e \right )}{f^{3}}\right )}{d}+\frac {b \left (\frac {c \,e^{2} i^{2} \ln \left (c f x +c e \right )^{2}}{2 f^{2}}-\frac {c e h i \ln \left (c f x +c e \right )^{2}}{f}+\frac {c \,h^{2} \ln \left (c f x +c e \right )^{2}}{2}-\frac {2 e \,i^{2} \left (\left (c f x +c e \right ) \ln \left (c f x +c e \right )-c f x -c e \right )}{f^{2}}+\frac {2 h i \left (\left (c f x +c e \right ) \ln \left (c f x +c e \right )-c f x -c e \right )}{f}+\frac {i^{2} \left (\frac {\left (c f x +c e \right )^{2} \ln \left (c f x +c e \right )}{2}-\frac {\left (c f x +c e \right )^{2}}{4}\right )}{c \,f^{2}}\right )}{d c f}\) | \(250\) |
risch | \(\frac {b \ln \left (c \left (f x +e \right )\right )^{2} e^{2} i^{2}}{2 d \,f^{3}}-\frac {b \ln \left (c \left (f x +e \right )\right )^{2} e h i}{d \,f^{2}}+\frac {b \ln \left (c \left (f x +e \right )\right )^{2} h^{2}}{2 d f}-\frac {b i x \left (-f i x +2 e i -4 f h \right ) \ln \left (c \left (f x +e \right )\right )}{2 d \,f^{2}}+\frac {a \,i^{2} x^{2}}{2 d f}-\frac {b \,i^{2} x^{2}}{4 d f}+\frac {\ln \left (f x +e \right ) a \,e^{2} i^{2}}{d \,f^{3}}-\frac {2 \ln \left (f x +e \right ) a e h i}{d \,f^{2}}+\frac {\ln \left (f x +e \right ) a \,h^{2}}{d f}-\frac {3 \ln \left (f x +e \right ) b \,e^{2} i^{2}}{2 d \,f^{3}}+\frac {2 \ln \left (f x +e \right ) b e h i}{d \,f^{2}}-\frac {a e \,i^{2} x}{d \,f^{2}}+\frac {2 a h i x}{d f}+\frac {3 b e \,i^{2} x}{2 d \,f^{2}}-\frac {2 b h i x}{d f}\) | \(280\) |
parallelrisch | \(\frac {6 a \,e^{2} i^{2}-11 b \,e^{2} i^{2}-16 a e f h i +16 b e f h i -4 a e f \,i^{2} x +8 a \,f^{2} h i x +6 b e f \,i^{2} x -8 b \,f^{2} h i x +2 a \,f^{2} i^{2} x^{2}-b \,f^{2} i^{2} x^{2}-4 x \ln \left (c \left (f x +e \right )\right ) b e f \,i^{2}+8 x \ln \left (c \left (f x +e \right )\right ) b \,f^{2} h i -4 \ln \left (c \left (f x +e \right )\right )^{2} b e f h i -8 \ln \left (c \left (f x +e \right )\right ) a e f h i +8 \ln \left (c \left (f x +e \right )\right ) b e f h i +2 \ln \left (c \left (f x +e \right )\right )^{2} b \,e^{2} i^{2}+2 \ln \left (c \left (f x +e \right )\right )^{2} b \,f^{2} h^{2}+4 \ln \left (c \left (f x +e \right )\right ) a \,e^{2} i^{2}+4 \ln \left (c \left (f x +e \right )\right ) a \,f^{2} h^{2}-6 \ln \left (c \left (f x +e \right )\right ) b \,e^{2} i^{2}+2 x^{2} \ln \left (c \left (f x +e \right )\right ) b \,f^{2} i^{2}}{4 d \,f^{3}}\) | \(292\) |
derivativedivides | \(\frac {\frac {c a \,e^{2} i^{2} \ln \left (c f x +c e \right )}{f^{2} d}-\frac {2 c a e h i \ln \left (c f x +c e \right )}{f d}+\frac {c a \,h^{2} \ln \left (c f x +c e \right )}{d}-\frac {2 a e \,i^{2} \left (c f x +c e \right )}{f^{2} d}+\frac {2 a h i \left (c f x +c e \right )}{f d}+\frac {a \,i^{2} \left (c f x +c e \right )^{2}}{2 c \,f^{2} d}+\frac {c b \,e^{2} i^{2} \ln \left (c f x +c e \right )^{2}}{2 f^{2} d}-\frac {c b e h i \ln \left (c f x +c e \right )^{2}}{f d}+\frac {c b \,h^{2} \ln \left (c f x +c e \right )^{2}}{2 d}-\frac {2 b e \,i^{2} \left (\left (c f x +c e \right ) \ln \left (c f x +c e \right )-c f x -c e \right )}{f^{2} d}+\frac {2 b h i \left (\left (c f x +c e \right ) \ln \left (c f x +c e \right )-c f x -c e \right )}{f d}+\frac {b \,i^{2} \left (\frac {\left (c f x +c e \right )^{2} \ln \left (c f x +c e \right )}{2}-\frac {\left (c f x +c e \right )^{2}}{4}\right )}{c \,f^{2} d}}{c f}\) | \(338\) |
default | \(\frac {\frac {c a \,e^{2} i^{2} \ln \left (c f x +c e \right )}{f^{2} d}-\frac {2 c a e h i \ln \left (c f x +c e \right )}{f d}+\frac {c a \,h^{2} \ln \left (c f x +c e \right )}{d}-\frac {2 a e \,i^{2} \left (c f x +c e \right )}{f^{2} d}+\frac {2 a h i \left (c f x +c e \right )}{f d}+\frac {a \,i^{2} \left (c f x +c e \right )^{2}}{2 c \,f^{2} d}+\frac {c b \,e^{2} i^{2} \ln \left (c f x +c e \right )^{2}}{2 f^{2} d}-\frac {c b e h i \ln \left (c f x +c e \right )^{2}}{f d}+\frac {c b \,h^{2} \ln \left (c f x +c e \right )^{2}}{2 d}-\frac {2 b e \,i^{2} \left (\left (c f x +c e \right ) \ln \left (c f x +c e \right )-c f x -c e \right )}{f^{2} d}+\frac {2 b h i \left (\left (c f x +c e \right ) \ln \left (c f x +c e \right )-c f x -c e \right )}{f d}+\frac {b \,i^{2} \left (\frac {\left (c f x +c e \right )^{2} \ln \left (c f x +c e \right )}{2}-\frac {\left (c f x +c e \right )^{2}}{4}\right )}{c \,f^{2} d}}{c f}\) | \(338\) |
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Time = 0.30 (sec) , antiderivative size = 170, normalized size of antiderivative = 1.08 \[ \int \frac {(h+i x)^2 (a+b \log (c (e+f x)))}{d e+d f x} \, dx=\frac {{\left (2 \, a - b\right )} f^{2} i^{2} x^{2} + 2 \, {\left (b f^{2} h^{2} - 2 \, b e f h i + b e^{2} i^{2}\right )} \log \left (c f x + c e\right )^{2} + 2 \, {\left (4 \, {\left (a - b\right )} f^{2} h i - {\left (2 \, a - 3 \, b\right )} e f i^{2}\right )} x + 2 \, {\left (b f^{2} i^{2} x^{2} + 2 \, a f^{2} h^{2} - 4 \, {\left (a - b\right )} e f h i + {\left (2 \, a - 3 \, b\right )} e^{2} i^{2} + 2 \, {\left (2 \, b f^{2} h i - b e f i^{2}\right )} x\right )} \log \left (c f x + c e\right )}{4 \, d f^{3}} \]
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Time = 0.40 (sec) , antiderivative size = 226, normalized size of antiderivative = 1.44 \[ \int \frac {(h+i x)^2 (a+b \log (c (e+f x)))}{d e+d f x} \, dx=x^{2} \left (\frac {a i^{2}}{2 d f} - \frac {b i^{2}}{4 d f}\right ) + x \left (- \frac {a e i^{2}}{d f^{2}} + \frac {2 a h i}{d f} + \frac {3 b e i^{2}}{2 d f^{2}} - \frac {2 b h i}{d f}\right ) + \frac {\left (- 2 b e i^{2} x + 4 b f h i x + b f i^{2} x^{2}\right ) \log {\left (c \left (e + f x\right ) \right )}}{2 d f^{2}} + \frac {\left (b e^{2} i^{2} - 2 b e f h i + b f^{2} h^{2}\right ) \log {\left (c \left (e + f x\right ) \right )}^{2}}{2 d f^{3}} + \frac {\left (2 a e^{2} i^{2} - 4 a e f h i + 2 a f^{2} h^{2} - 3 b e^{2} i^{2} + 4 b e f h i\right ) \log {\left (e + f x \right )}}{2 d f^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 351 vs. \(2 (151) = 302\).
Time = 0.23 (sec) , antiderivative size = 351, normalized size of antiderivative = 2.24 \[ \int \frac {(h+i x)^2 (a+b \log (c (e+f x)))}{d e+d f x} \, dx=2 \, b h i {\left (\frac {x}{d f} - \frac {e \log \left (f x + e\right )}{d f^{2}}\right )} \log \left (c f x + c e\right ) + \frac {1}{2} \, b i^{2} {\left (\frac {2 \, e^{2} \log \left (f x + e\right )}{d f^{3}} + \frac {f x^{2} - 2 \, e x}{d f^{2}}\right )} \log \left (c f x + c e\right ) - \frac {1}{2} \, b h^{2} {\left (\frac {2 \, \log \left (c f x + c e\right ) \log \left (d f x + d e\right )}{d f} - \frac {\log \left (f x + e\right )^{2} + 2 \, \log \left (f x + e\right ) \log \left (c\right )}{d f}\right )} + 2 \, a h i {\left (\frac {x}{d f} - \frac {e \log \left (f x + e\right )}{d f^{2}}\right )} + \frac {1}{2} \, a i^{2} {\left (\frac {2 \, e^{2} \log \left (f x + e\right )}{d f^{3}} + \frac {f x^{2} - 2 \, e x}{d f^{2}}\right )} + \frac {b h^{2} \log \left (c f x + c e\right ) \log \left (d f x + d e\right )}{d f} + \frac {a h^{2} \log \left (d f x + d e\right )}{d f} + \frac {{\left (e \log \left (f x + e\right )^{2} - 2 \, f x + 2 \, e \log \left (f x + e\right )\right )} b h i}{d f^{2}} - \frac {{\left (f^{2} x^{2} + 2 \, e^{2} \log \left (f x + e\right )^{2} - 6 \, e f x + 6 \, e^{2} \log \left (f x + e\right )\right )} b i^{2}}{4 \, d f^{3}} \]
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Time = 0.31 (sec) , antiderivative size = 209, normalized size of antiderivative = 1.33 \[ \int \frac {(h+i x)^2 (a+b \log (c (e+f x)))}{d e+d f x} \, dx=\frac {1}{2} \, {\left (\frac {b i^{2} x^{2}}{d f} + \frac {2 \, {\left (2 \, b f h i - b e i^{2}\right )} x}{d f^{2}}\right )} \log \left (c f x + c e\right ) + \frac {{\left (2 \, a i^{2} - b i^{2}\right )} x^{2}}{4 \, d f} + \frac {{\left (4 \, a f h i - 4 \, b f h i - 2 \, a e i^{2} + 3 \, b e i^{2}\right )} x}{2 \, d f^{2}} + \frac {{\left (b f^{2} h^{2} - 2 \, b e f h i + b e^{2} i^{2}\right )} \log \left (c f x + c e\right )^{2}}{2 \, d f^{3}} + \frac {{\left (2 \, a f^{2} h^{2} - 4 \, a e f h i + 4 \, b e f h i + 2 \, a e^{2} i^{2} - 3 \, b e^{2} i^{2}\right )} \log \left (f x + e\right )}{2 \, d f^{3}} \]
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Time = 1.43 (sec) , antiderivative size = 208, normalized size of antiderivative = 1.32 \[ \int \frac {(h+i x)^2 (a+b \log (c (e+f x)))}{d e+d f x} \, dx=x\,\left (\frac {i\,\left (2\,a\,f\,h+b\,e\,i-2\,b\,f\,h\right )}{d\,f^2}-\frac {e\,i^2\,\left (2\,a-b\right )}{2\,d\,f^2}\right )+f\,\ln \left (c\,\left (e+f\,x\right )\right )\,\left (\frac {b\,i^2\,x^2}{2\,d\,f^2}-\frac {b\,i\,x\,\left (e\,i-2\,f\,h\right )}{d\,f^3}\right )+\frac {\ln \left (e+f\,x\right )\,\left (2\,a\,e^2\,i^2+2\,a\,f^2\,h^2-3\,b\,e^2\,i^2-4\,a\,e\,f\,h\,i+4\,b\,e\,f\,h\,i\right )}{2\,d\,f^3}+\frac {b\,{\ln \left (c\,\left (e+f\,x\right )\right )}^2\,\left (e^2\,i^2-2\,e\,f\,h\,i+f^2\,h^2\right )}{2\,d\,f^3}+\frac {i^2\,x^2\,\left (2\,a-b\right )}{4\,d\,f} \]
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