Integrand size = 35, antiderivative size = 77 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^2}{(d+e x)^7} \, dx=-\frac {\left (c d^2-a e^2\right )^2}{4 e^3 (d+e x)^4}+\frac {2 c d \left (c d^2-a e^2\right )}{3 e^3 (d+e x)^3}-\frac {c^2 d^2}{2 e^3 (d+e x)^2} \]
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Time = 0.03 (sec) , antiderivative size = 77, 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} \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^2}{(d+e x)^7} \, dx=\frac {2 c d \left (c d^2-a e^2\right )}{3 e^3 (d+e x)^3}-\frac {\left (c d^2-a e^2\right )^2}{4 e^3 (d+e x)^4}-\frac {c^2 d^2}{2 e^3 (d+e x)^2} \]
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Rule 45
Rule 640
Rubi steps \begin{align*} \text {integral}& = \int \frac {(a e+c d x)^2}{(d+e x)^5} \, dx \\ & = \int \left (\frac {\left (-c d^2+a e^2\right )^2}{e^2 (d+e x)^5}-\frac {2 c d \left (c d^2-a e^2\right )}{e^2 (d+e x)^4}+\frac {c^2 d^2}{e^2 (d+e x)^3}\right ) \, dx \\ & = -\frac {\left (c d^2-a e^2\right )^2}{4 e^3 (d+e x)^4}+\frac {2 c d \left (c d^2-a e^2\right )}{3 e^3 (d+e x)^3}-\frac {c^2 d^2}{2 e^3 (d+e x)^2} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 61, normalized size of antiderivative = 0.79 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^2}{(d+e x)^7} \, dx=-\frac {3 a^2 e^4+2 a c d e^2 (d+4 e x)+c^2 d^2 \left (d^2+4 d e x+6 e^2 x^2\right )}{12 e^3 (d+e x)^4} \]
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Time = 2.42 (sec) , antiderivative size = 72, normalized size of antiderivative = 0.94
method | result | size |
gosper | \(-\frac {6 x^{2} c^{2} d^{2} e^{2}+8 x a c d \,e^{3}+4 x \,c^{2} d^{3} e +3 a^{2} e^{4}+2 a c \,d^{2} e^{2}+c^{2} d^{4}}{12 e^{3} \left (e x +d \right )^{4}}\) | \(72\) |
risch | \(\frac {-\frac {d^{2} c^{2} x^{2}}{2 e}-\frac {d c \left (2 e^{2} a +c \,d^{2}\right ) x}{3 e^{2}}-\frac {3 a^{2} e^{4}+2 a c \,d^{2} e^{2}+c^{2} d^{4}}{12 e^{3}}}{\left (e x +d \right )^{4}}\) | \(75\) |
parallelrisch | \(\frac {-6 c^{2} d^{2} e^{3} x^{2}-8 a c d \,e^{4} x -4 c^{2} d^{3} e^{2} x -3 a^{2} e^{5}-2 a \,d^{2} e^{3} c -d^{4} e \,c^{2}}{12 e^{4} \left (e x +d \right )^{4}}\) | \(76\) |
default | \(-\frac {2 c d \left (e^{2} a -c \,d^{2}\right )}{3 e^{3} \left (e x +d \right )^{3}}-\frac {a^{2} e^{4}-2 a c \,d^{2} e^{2}+c^{2} d^{4}}{4 e^{3} \left (e x +d \right )^{4}}-\frac {c^{2} d^{2}}{2 e^{3} \left (e x +d \right )^{2}}\) | \(83\) |
norman | \(\frac {-\frac {d^{2} \left (3 a^{2} e^{7}+2 a \,d^{2} e^{5} c +c^{2} d^{4} e^{3}\right )}{12 e^{6}}-\frac {\left (a^{2} e^{7}+6 a \,d^{2} e^{5} c +5 c^{2} d^{4} e^{3}\right ) x^{2}}{4 e^{4}}-\frac {2 d \left (a c \,e^{5}+2 c^{2} d^{2} e^{3}\right ) x^{3}}{3 e^{3}}-\frac {d \left (a^{2} e^{7}+2 a \,d^{2} e^{5} c +c^{2} d^{4} e^{3}\right ) x}{2 e^{5}}-\frac {e \,c^{2} d^{2} x^{4}}{2}}{\left (e x +d \right )^{6}}\) | \(158\) |
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Time = 0.26 (sec) , antiderivative size = 108, normalized size of antiderivative = 1.40 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^2}{(d+e x)^7} \, dx=-\frac {6 \, c^{2} d^{2} e^{2} x^{2} + c^{2} d^{4} + 2 \, a c d^{2} e^{2} + 3 \, a^{2} e^{4} + 4 \, {\left (c^{2} d^{3} e + 2 \, a c d e^{3}\right )} x}{12 \, {\left (e^{7} x^{4} + 4 \, d e^{6} x^{3} + 6 \, d^{2} e^{5} x^{2} + 4 \, d^{3} e^{4} x + d^{4} e^{3}\right )}} \]
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Time = 1.03 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.48 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^2}{(d+e x)^7} \, dx=\frac {- 3 a^{2} e^{4} - 2 a c d^{2} e^{2} - c^{2} d^{4} - 6 c^{2} d^{2} e^{2} x^{2} + x \left (- 8 a c d e^{3} - 4 c^{2} d^{3} e\right )}{12 d^{4} e^{3} + 48 d^{3} e^{4} x + 72 d^{2} e^{5} x^{2} + 48 d e^{6} x^{3} + 12 e^{7} x^{4}} \]
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Time = 0.20 (sec) , antiderivative size = 108, normalized size of antiderivative = 1.40 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^2}{(d+e x)^7} \, dx=-\frac {6 \, c^{2} d^{2} e^{2} x^{2} + c^{2} d^{4} + 2 \, a c d^{2} e^{2} + 3 \, a^{2} e^{4} + 4 \, {\left (c^{2} d^{3} e + 2 \, a c d e^{3}\right )} x}{12 \, {\left (e^{7} x^{4} + 4 \, d e^{6} x^{3} + 6 \, d^{2} e^{5} x^{2} + 4 \, d^{3} e^{4} x + d^{4} e^{3}\right )}} \]
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Time = 0.27 (sec) , antiderivative size = 71, normalized size of antiderivative = 0.92 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^2}{(d+e x)^7} \, dx=-\frac {6 \, c^{2} d^{2} e^{2} x^{2} + 4 \, c^{2} d^{3} e x + 8 \, a c d e^{3} x + c^{2} d^{4} + 2 \, a c d^{2} e^{2} + 3 \, a^{2} e^{4}}{12 \, {\left (e x + d\right )}^{4} e^{3}} \]
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Time = 9.88 (sec) , antiderivative size = 85, normalized size of antiderivative = 1.10 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^2}{(d+e x)^7} \, dx=-\frac {\frac {a^2\,e}{4}-d\,\left (\frac {c^2\,x^3}{3}-\frac {2\,a\,c\,x}{3}\right )-\frac {c^2\,e\,x^4}{12}+\frac {a\,c\,d^2}{6\,e}}{d^4+4\,d^3\,e\,x+6\,d^2\,e^2\,x^2+4\,d\,e^3\,x^3+e^4\,x^4} \]
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