Integrand size = 35, antiderivative size = 122 \[ \int \frac {(d+e x)^7}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^4} \, dx=-\frac {\left (c d^2-a e^2\right )^3}{3 c^4 d^4 (a e+c d x)^3}-\frac {3 e \left (c d^2-a e^2\right )^2}{2 c^4 d^4 (a e+c d x)^2}-\frac {3 e^2 \left (c d^2-a e^2\right )}{c^4 d^4 (a e+c d x)}+\frac {e^3 \log (a e+c d x)}{c^4 d^4} \]
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Time = 0.07 (sec) , antiderivative size = 122, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.057, Rules used = {640, 45} \[ \int \frac {(d+e x)^7}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^4} \, dx=\frac {e^3 \log (a e+c d x)}{c^4 d^4}-\frac {3 e^2 \left (c d^2-a e^2\right )}{c^4 d^4 (a e+c d x)}-\frac {3 e \left (c d^2-a e^2\right )^2}{2 c^4 d^4 (a e+c d x)^2}-\frac {\left (c d^2-a e^2\right )^3}{3 c^4 d^4 (a e+c d x)^3} \]
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Rule 45
Rule 640
Rubi steps \begin{align*} \text {integral}& = \int \frac {(d+e x)^3}{(a e+c d x)^4} \, dx \\ & = \int \left (\frac {\left (c d^2-a e^2\right )^3}{c^3 d^3 (a e+c d x)^4}+\frac {3 e \left (c d^2-a e^2\right )^2}{c^3 d^3 (a e+c d x)^3}+\frac {3 \left (c d^2 e^2-a e^4\right )}{c^3 d^3 (a e+c d x)^2}+\frac {e^3}{c^3 d^3 (a e+c d x)}\right ) \, dx \\ & = -\frac {\left (c d^2-a e^2\right )^3}{3 c^4 d^4 (a e+c d x)^3}-\frac {3 e \left (c d^2-a e^2\right )^2}{2 c^4 d^4 (a e+c d x)^2}-\frac {3 e^2 \left (c d^2-a e^2\right )}{c^4 d^4 (a e+c d x)}+\frac {e^3 \log (a e+c d x)}{c^4 d^4} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 99, normalized size of antiderivative = 0.81 \[ \int \frac {(d+e x)^7}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^4} \, dx=\frac {-\frac {\left (c d^2-a e^2\right ) \left (11 a^2 e^4+a c d e^2 (5 d+27 e x)+c^2 d^2 \left (2 d^2+9 d e x+18 e^2 x^2\right )\right )}{(a e+c d x)^3}+6 e^3 \log (a e+c d x)}{6 c^4 d^4} \]
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Time = 2.90 (sec) , antiderivative size = 145, normalized size of antiderivative = 1.19
method | result | size |
risch | \(\frac {\frac {3 e^{2} \left (e^{2} a -c \,d^{2}\right ) x^{2}}{c^{2} d^{2}}+\frac {3 e \left (3 a^{2} e^{4}-2 a c \,d^{2} e^{2}-c^{2} d^{4}\right ) x}{2 c^{3} d^{3}}+\frac {11 e^{6} a^{3}-6 d^{2} e^{4} a^{2} c -3 d^{4} e^{2} c^{2} a -2 c^{3} d^{6}}{6 c^{4} d^{4}}}{\left (c d x +a e \right )^{3}}+\frac {e^{3} \ln \left (c d x +a e \right )}{c^{4} d^{4}}\) | \(145\) |
default | \(-\frac {3 e \left (a^{2} e^{4}-2 a c \,d^{2} e^{2}+c^{2} d^{4}\right )}{2 c^{4} d^{4} \left (c d x +a e \right )^{2}}-\frac {-e^{6} a^{3}+3 d^{2} e^{4} a^{2} c -3 d^{4} e^{2} c^{2} a +c^{3} d^{6}}{3 c^{4} d^{4} \left (c d x +a e \right )^{3}}+\frac {e^{3} \ln \left (c d x +a e \right )}{c^{4} d^{4}}+\frac {3 e^{2} \left (e^{2} a -c \,d^{2}\right )}{c^{4} d^{4} \left (c d x +a e \right )}\) | \(156\) |
parallelrisch | \(\frac {6 \ln \left (c d x +a e \right ) x^{3} c^{3} d^{3} e^{3}+18 \ln \left (c d x +a e \right ) x^{2} a \,c^{2} d^{2} e^{4}+18 \ln \left (c d x +a e \right ) x \,a^{2} c d \,e^{5}+18 x^{2} a \,c^{2} d^{2} e^{4}-18 x^{2} c^{3} d^{4} e^{2}+6 \ln \left (c d x +a e \right ) a^{3} e^{6}+27 x \,a^{2} c d \,e^{5}-18 x a \,c^{2} d^{3} e^{3}-9 x \,c^{3} d^{5} e +11 e^{6} a^{3}-6 d^{2} e^{4} a^{2} c -3 d^{4} e^{2} c^{2} a -2 c^{3} d^{6}}{6 c^{4} d^{4} \left (c d x +a e \right )^{3}}\) | \(207\) |
norman | \(\frac {\frac {11 e^{6} a^{3}-6 d^{2} e^{4} a^{2} c -3 d^{4} e^{2} c^{2} a -2 c^{3} d^{6}}{6 c^{4} d}+\frac {\left (11 a^{3} e^{12}+75 c \,a^{2} d^{2} e^{10}-3 d^{4} c^{2} a \,e^{8}-83 d^{6} e^{6} c^{3}\right ) x^{3}}{6 c^{4} d^{4} e^{3}}+\frac {\left (11 a^{3} e^{10}+21 a^{2} c \,d^{2} e^{8}-15 a \,d^{4} e^{6} c^{2}-17 c^{3} d^{6} e^{4}\right ) x^{2}}{2 c^{4} d^{3} e^{2}}+\frac {\left (11 a^{3} e^{8}+3 a^{2} c \,d^{2} e^{6}-9 a \,c^{2} d^{4} e^{4}-5 c^{3} d^{6} e^{2}\right ) x}{2 c^{4} d^{2} e}+\frac {3 \left (3 a^{2} e^{10}+4 a c \,d^{2} e^{8}-7 c^{2} d^{4} e^{6}\right ) x^{4}}{2 c^{3} d^{3} e^{2}}+\frac {3 \left (a \,e^{8}-c \,e^{6} d^{2}\right ) x^{5}}{c^{2} d^{2} e}}{\left (c d x +a e \right )^{3} \left (e x +d \right )^{3}}+\frac {e^{3} \ln \left (c d x +a e \right )}{c^{4} d^{4}}\) | \(334\) |
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Time = 0.28 (sec) , antiderivative size = 217, normalized size of antiderivative = 1.78 \[ \int \frac {(d+e x)^7}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^4} \, dx=-\frac {2 \, c^{3} d^{6} + 3 \, a c^{2} d^{4} e^{2} + 6 \, a^{2} c d^{2} e^{4} - 11 \, a^{3} e^{6} + 18 \, {\left (c^{3} d^{4} e^{2} - a c^{2} d^{2} e^{4}\right )} x^{2} + 9 \, {\left (c^{3} d^{5} e + 2 \, a c^{2} d^{3} e^{3} - 3 \, a^{2} c d e^{5}\right )} x - 6 \, {\left (c^{3} d^{3} e^{3} x^{3} + 3 \, a c^{2} d^{2} e^{4} x^{2} + 3 \, a^{2} c d e^{5} x + a^{3} e^{6}\right )} \log \left (c d x + a e\right )}{6 \, {\left (c^{7} d^{7} x^{3} + 3 \, a c^{6} d^{6} e x^{2} + 3 \, a^{2} c^{5} d^{5} e^{2} x + a^{3} c^{4} d^{4} e^{3}\right )}} \]
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Time = 10.57 (sec) , antiderivative size = 189, normalized size of antiderivative = 1.55 \[ \int \frac {(d+e x)^7}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^4} \, dx=\frac {11 a^{3} e^{6} - 6 a^{2} c d^{2} e^{4} - 3 a c^{2} d^{4} e^{2} - 2 c^{3} d^{6} + x^{2} \cdot \left (18 a c^{2} d^{2} e^{4} - 18 c^{3} d^{4} e^{2}\right ) + x \left (27 a^{2} c d e^{5} - 18 a c^{2} d^{3} e^{3} - 9 c^{3} d^{5} e\right )}{6 a^{3} c^{4} d^{4} e^{3} + 18 a^{2} c^{5} d^{5} e^{2} x + 18 a c^{6} d^{6} e x^{2} + 6 c^{7} d^{7} x^{3}} + \frac {e^{3} \log {\left (a e + c d x \right )}}{c^{4} d^{4}} \]
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Time = 0.19 (sec) , antiderivative size = 179, normalized size of antiderivative = 1.47 \[ \int \frac {(d+e x)^7}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^4} \, dx=-\frac {2 \, c^{3} d^{6} + 3 \, a c^{2} d^{4} e^{2} + 6 \, a^{2} c d^{2} e^{4} - 11 \, a^{3} e^{6} + 18 \, {\left (c^{3} d^{4} e^{2} - a c^{2} d^{2} e^{4}\right )} x^{2} + 9 \, {\left (c^{3} d^{5} e + 2 \, a c^{2} d^{3} e^{3} - 3 \, a^{2} c d e^{5}\right )} x}{6 \, {\left (c^{7} d^{7} x^{3} + 3 \, a c^{6} d^{6} e x^{2} + 3 \, a^{2} c^{5} d^{5} e^{2} x + a^{3} c^{4} d^{4} e^{3}\right )}} + \frac {e^{3} \log \left (c d x + a e\right )}{c^{4} d^{4}} \]
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Time = 0.27 (sec) , antiderivative size = 142, normalized size of antiderivative = 1.16 \[ \int \frac {(d+e x)^7}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^4} \, dx=\frac {e^{3} \log \left ({\left | c d x + a e \right |}\right )}{c^{4} d^{4}} - \frac {18 \, {\left (c^{2} d^{3} e^{2} - a c d e^{4}\right )} x^{2} + 9 \, {\left (c^{2} d^{4} e + 2 \, a c d^{2} e^{3} - 3 \, a^{2} e^{5}\right )} x + \frac {2 \, c^{3} d^{6} + 3 \, a c^{2} d^{4} e^{2} + 6 \, a^{2} c d^{2} e^{4} - 11 \, a^{3} e^{6}}{c d}}{6 \, {\left (c d x + a e\right )}^{3} c^{3} d^{3}} \]
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Time = 9.85 (sec) , antiderivative size = 178, normalized size of antiderivative = 1.46 \[ \int \frac {(d+e x)^7}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^4} \, dx=\frac {e^3\,\ln \left (a\,e+c\,d\,x\right )}{c^4\,d^4}-\frac {\frac {-11\,a^3\,e^6+6\,a^2\,c\,d^2\,e^4+3\,a\,c^2\,d^4\,e^2+2\,c^3\,d^6}{6\,c^4\,d^4}+\frac {3\,x\,\left (-3\,a^2\,e^5+2\,a\,c\,d^2\,e^3+c^2\,d^4\,e\right )}{2\,c^3\,d^3}-\frac {3\,e^2\,x^2\,\left (a\,e^2-c\,d^2\right )}{c^2\,d^2}}{a^3\,e^3+3\,a^2\,c\,d\,e^2\,x+3\,a\,c^2\,d^2\,e\,x^2+c^3\,d^3\,x^3} \]
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