Integrand size = 35, antiderivative size = 105 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^7} \, dx=\frac {\left (c d^2-a e^2\right )^3}{3 e^4 (d+e x)^3}-\frac {3 c d \left (c d^2-a e^2\right )^2}{2 e^4 (d+e x)^2}+\frac {3 c^2 d^2 \left (c d^2-a e^2\right )}{e^4 (d+e x)}+\frac {c^3 d^3 \log (d+e x)}{e^4} \]
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Time = 0.06 (sec) , antiderivative size = 105, 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} \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^7} \, dx=\frac {3 c^2 d^2 \left (c d^2-a e^2\right )}{e^4 (d+e x)}-\frac {3 c d \left (c d^2-a e^2\right )^2}{2 e^4 (d+e x)^2}+\frac {\left (c d^2-a e^2\right )^3}{3 e^4 (d+e x)^3}+\frac {c^3 d^3 \log (d+e x)}{e^4} \]
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Rule 45
Rule 640
Rubi steps \begin{align*} \text {integral}& = \int \frac {(a e+c d x)^3}{(d+e x)^4} \, dx \\ & = \int \left (\frac {\left (-c d^2+a e^2\right )^3}{e^3 (d+e x)^4}+\frac {3 c d \left (c d^2-a e^2\right )^2}{e^3 (d+e x)^3}-\frac {3 c^2 d^2 \left (c d^2-a e^2\right )}{e^3 (d+e x)^2}+\frac {c^3 d^3}{e^3 (d+e x)}\right ) \, dx \\ & = \frac {\left (c d^2-a e^2\right )^3}{3 e^4 (d+e x)^3}-\frac {3 c d \left (c d^2-a e^2\right )^2}{2 e^4 (d+e x)^2}+\frac {3 c^2 d^2 \left (c d^2-a e^2\right )}{e^4 (d+e x)}+\frac {c^3 d^3 \log (d+e x)}{e^4} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 92, normalized size of antiderivative = 0.88 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^7} \, dx=\frac {\frac {\left (c d^2-a e^2\right ) \left (2 a^2 e^4+a c d e^2 (5 d+9 e x)+c^2 d^2 \left (11 d^2+27 d e x+18 e^2 x^2\right )\right )}{(d+e x)^3}+6 c^3 d^3 \log (d+e x)}{6 e^4} \]
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Time = 2.37 (sec) , antiderivative size = 133, normalized size of antiderivative = 1.27
method | result | size |
risch | \(\frac {-\frac {3 c^{2} d^{2} \left (e^{2} a -c \,d^{2}\right ) x^{2}}{e^{2}}-\frac {3 c d \left (a^{2} e^{4}+2 a c \,d^{2} e^{2}-3 c^{2} d^{4}\right ) x}{2 e^{3}}-\frac {2 e^{6} a^{3}+3 d^{2} e^{4} a^{2} c +6 d^{4} e^{2} c^{2} a -11 c^{3} d^{6}}{6 e^{4}}}{\left (e x +d \right )^{3}}+\frac {c^{3} d^{3} \ln \left (e x +d \right )}{e^{4}}\) | \(133\) |
default | \(-\frac {3 c^{2} d^{2} \left (e^{2} a -c \,d^{2}\right )}{e^{4} \left (e x +d \right )}-\frac {e^{6} a^{3}-3 d^{2} e^{4} a^{2} c +3 d^{4} e^{2} c^{2} a -c^{3} d^{6}}{3 e^{4} \left (e x +d \right )^{3}}-\frac {3 c d \left (a^{2} e^{4}-2 a c \,d^{2} e^{2}+c^{2} d^{4}\right )}{2 e^{4} \left (e x +d \right )^{2}}+\frac {c^{3} d^{3} \ln \left (e x +d \right )}{e^{4}}\) | \(139\) |
parallelrisch | \(\frac {6 \ln \left (e x +d \right ) x^{3} c^{3} d^{3} e^{3}+18 \ln \left (e x +d \right ) x^{2} c^{3} d^{4} e^{2}+18 \ln \left (e x +d \right ) x \,c^{3} d^{5} e -18 x^{2} a \,c^{2} d^{2} e^{4}+18 x^{2} c^{3} d^{4} e^{2}+6 \ln \left (e x +d \right ) c^{3} d^{6}-9 x \,a^{2} c d \,e^{5}-18 x a \,c^{2} d^{3} e^{3}+27 x \,c^{3} d^{5} e -2 e^{6} a^{3}-3 d^{2} e^{4} a^{2} c -6 d^{4} e^{2} c^{2} a +11 c^{3} d^{6}}{6 e^{4} \left (e x +d \right )^{3}}\) | \(187\) |
norman | \(\frac {-\frac {d^{3} \left (2 a^{3} e^{8}+3 a^{2} c \,d^{2} e^{6}+6 a \,c^{2} d^{4} e^{4}-11 c^{3} d^{6} e^{2}\right )}{6 e^{6}}-\frac {\left (a^{3} e^{8}+15 a^{2} c \,d^{2} e^{6}+57 a \,c^{2} d^{4} e^{4}-73 c^{3} d^{6} e^{2}\right ) x^{3}}{3 e^{3}}-\frac {3 d \left (a \,c^{2} d \,e^{4}-e^{2} c^{3} d^{3}\right ) x^{5}}{e}-\frac {3 d \left (a^{2} c \,e^{6}+8 a \,c^{2} d^{2} e^{4}-9 c^{3} d^{4} e^{2}\right ) x^{4}}{2 e^{2}}-\frac {d \left (a^{3} e^{8}+6 a^{2} c \,d^{2} e^{6}+15 a \,c^{2} d^{4} e^{4}-22 c^{3} d^{6} e^{2}\right ) x^{2}}{e^{4}}-\frac {d^{2} \left (a^{3} e^{8}+3 a^{2} c \,d^{2} e^{6}+6 a \,c^{2} d^{4} e^{4}-10 c^{3} d^{6} e^{2}\right ) x}{e^{5}}}{\left (e x +d \right )^{6}}+\frac {c^{3} d^{3} \ln \left (e x +d \right )}{e^{4}}\) | \(305\) |
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Time = 0.26 (sec) , antiderivative size = 194, normalized size of antiderivative = 1.85 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^7} \, dx=\frac {11 \, c^{3} d^{6} - 6 \, a c^{2} d^{4} e^{2} - 3 \, a^{2} c d^{2} e^{4} - 2 \, a^{3} e^{6} + 18 \, {\left (c^{3} d^{4} e^{2} - a c^{2} d^{2} e^{4}\right )} x^{2} + 9 \, {\left (3 \, c^{3} d^{5} e - 2 \, a c^{2} d^{3} e^{3} - a^{2} c d e^{5}\right )} x + 6 \, {\left (c^{3} d^{3} e^{3} x^{3} + 3 \, c^{3} d^{4} e^{2} x^{2} + 3 \, c^{3} d^{5} e x + c^{3} d^{6}\right )} \log \left (e x + d\right )}{6 \, {\left (e^{7} x^{3} + 3 \, d e^{6} x^{2} + 3 \, d^{2} e^{5} x + d^{3} e^{4}\right )}} \]
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Time = 7.19 (sec) , antiderivative size = 163, normalized size of antiderivative = 1.55 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^7} \, dx=\frac {c^{3} d^{3} \log {\left (d + e x \right )}}{e^{4}} + \frac {- 2 a^{3} e^{6} - 3 a^{2} c d^{2} e^{4} - 6 a c^{2} d^{4} e^{2} + 11 c^{3} d^{6} + x^{2} \left (- 18 a c^{2} d^{2} e^{4} + 18 c^{3} d^{4} e^{2}\right ) + x \left (- 9 a^{2} c d e^{5} - 18 a c^{2} d^{3} e^{3} + 27 c^{3} d^{5} e\right )}{6 d^{3} e^{4} + 18 d^{2} e^{5} x + 18 d e^{6} x^{2} + 6 e^{7} x^{3}} \]
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Time = 0.20 (sec) , antiderivative size = 158, normalized size of antiderivative = 1.50 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^7} \, dx=\frac {c^{3} d^{3} \log \left (e x + d\right )}{e^{4}} + \frac {11 \, c^{3} d^{6} - 6 \, a c^{2} d^{4} e^{2} - 3 \, a^{2} c d^{2} e^{4} - 2 \, a^{3} e^{6} + 18 \, {\left (c^{3} d^{4} e^{2} - a c^{2} d^{2} e^{4}\right )} x^{2} + 9 \, {\left (3 \, c^{3} d^{5} e - 2 \, a c^{2} d^{3} e^{3} - a^{2} c d e^{5}\right )} x}{6 \, {\left (e^{7} x^{3} + 3 \, d e^{6} x^{2} + 3 \, d^{2} e^{5} x + d^{3} e^{4}\right )}} \]
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Time = 0.26 (sec) , antiderivative size = 136, normalized size of antiderivative = 1.30 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^7} \, dx=\frac {c^{3} d^{3} \log \left ({\left | e x + d \right |}\right )}{e^{4}} + \frac {18 \, {\left (c^{3} d^{4} e - a c^{2} d^{2} e^{3}\right )} x^{2} + 9 \, {\left (3 \, c^{3} d^{5} - 2 \, a c^{2} d^{3} e^{2} - a^{2} c d e^{4}\right )} x + \frac {11 \, c^{3} d^{6} - 6 \, a c^{2} d^{4} e^{2} - 3 \, a^{2} c d^{2} e^{4} - 2 \, a^{3} e^{6}}{e}}{6 \, {\left (e x + d\right )}^{3} e^{3}} \]
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Time = 10.05 (sec) , antiderivative size = 157, normalized size of antiderivative = 1.50 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^7} \, dx=\frac {c^3\,d^3\,\ln \left (d+e\,x\right )}{e^4}-\frac {\frac {2\,a^3\,e^6+3\,a^2\,c\,d^2\,e^4+6\,a\,c^2\,d^4\,e^2-11\,c^3\,d^6}{6\,e^4}+\frac {3\,x\,\left (a^2\,c\,d\,e^4+2\,a\,c^2\,d^3\,e^2-3\,c^3\,d^5\right )}{2\,e^3}+\frac {3\,c^2\,d^2\,x^2\,\left (a\,e^2-c\,d^2\right )}{e^2}}{d^3+3\,d^2\,e\,x+3\,d\,e^2\,x^2+e^3\,x^3} \]
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