Integrand size = 30, antiderivative size = 17 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^7} \, dx=-\frac {c^2}{2 e (d+e x)^2} \]
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Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {27, 12, 32} \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^7} \, dx=-\frac {c^2}{2 e (d+e x)^2} \]
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Rule 12
Rule 27
Rule 32
Rubi steps \begin{align*} \text {integral}& = \int \frac {c^2}{(d+e x)^3} \, dx \\ & = c^2 \int \frac {1}{(d+e x)^3} \, dx \\ & = -\frac {c^2}{2 e (d+e x)^2} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^7} \, dx=-\frac {c^2}{2 e (d+e x)^2} \]
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Time = 2.32 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.94
method | result | size |
gosper | \(-\frac {c^{2}}{2 e \left (e x +d \right )^{2}}\) | \(16\) |
default | \(-\frac {c^{2}}{2 e \left (e x +d \right )^{2}}\) | \(16\) |
risch | \(-\frac {c^{2}}{2 e \left (e x +d \right )^{2}}\) | \(16\) |
parallelrisch | \(-\frac {c^{2}}{2 e \left (e x +d \right )^{2}}\) | \(16\) |
norman | \(\frac {-\frac {c^{2} d^{4}}{2 e}-\frac {c^{2} x^{4} e^{3}}{2}-2 d \,e^{2} c^{2} x^{3}-3 c^{2} d^{2} e \,x^{2}-2 c^{2} d^{3} x}{\left (e x +d \right )^{6}}\) | \(65\) |
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Time = 0.26 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.59 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^7} \, dx=-\frac {c^{2}}{2 \, {\left (e^{3} x^{2} + 2 \, d e^{2} x + d^{2} e\right )}} \]
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Time = 0.09 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.59 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^7} \, dx=- \frac {c^{2}}{2 d^{2} e + 4 d e^{2} x + 2 e^{3} x^{2}} \]
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none
Time = 0.20 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.59 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^7} \, dx=-\frac {c^{2}}{2 \, {\left (e^{3} x^{2} + 2 \, d e^{2} x + d^{2} e\right )}} \]
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none
Time = 0.28 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^7} \, dx=-\frac {c^{2}}{2 \, {\left (e x + d\right )}^{2} e} \]
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Time = 0.03 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.53 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^7} \, dx=-\frac {c^2}{2\,e\,\left (d^2+2\,d\,e\,x+e^2\,x^2\right )} \]
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