Integrand size = 22, antiderivative size = 17 \[ \int \frac {1}{\left (c d^2+2 c d e x+c e^2 x^2\right )^3} \, dx=-\frac {1}{5 c^3 e (d+e x)^5} \]
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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, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {27, 12, 32} \[ \int \frac {1}{\left (c d^2+2 c d e x+c e^2 x^2\right )^3} \, dx=-\frac {1}{5 c^3 e (d+e x)^5} \]
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Rule 12
Rule 27
Rule 32
Rubi steps \begin{align*} \text {integral}& = \int \frac {1}{c^3 (d+e x)^6} \, dx \\ & = \frac {\int \frac {1}{(d+e x)^6} \, dx}{c^3} \\ & = -\frac {1}{5 c^3 e (d+e x)^5} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int \frac {1}{\left (c d^2+2 c d e x+c e^2 x^2\right )^3} \, dx=-\frac {1}{5 c^3 e (d+e x)^5} \]
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Time = 2.74 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.94
method | result | size |
default | \(-\frac {1}{5 c^{3} e \left (e x +d \right )^{5}}\) | \(16\) |
norman | \(-\frac {1}{5 c^{3} e \left (e x +d \right )^{5}}\) | \(16\) |
risch | \(-\frac {1}{5 c^{3} e \left (e x +d \right )^{5}}\) | \(16\) |
gosper | \(-\frac {1}{5 \left (e x +d \right ) \left (x^{2} e^{2}+2 d e x +d^{2}\right )^{2} e \,c^{3}}\) | \(34\) |
parallelrisch | \(-\frac {1}{5 \left (e x +d \right ) \left (x^{2} e^{2}+2 d e x +d^{2}\right )^{2} e \,c^{3}}\) | \(34\) |
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Leaf count of result is larger than twice the leaf count of optimal. 75 vs. \(2 (15) = 30\).
Time = 0.35 (sec) , antiderivative size = 75, normalized size of antiderivative = 4.41 \[ \int \frac {1}{\left (c d^2+2 c d e x+c e^2 x^2\right )^3} \, dx=-\frac {1}{5 \, {\left (c^{3} e^{6} x^{5} + 5 \, c^{3} d e^{5} x^{4} + 10 \, c^{3} d^{2} e^{4} x^{3} + 10 \, c^{3} d^{3} e^{3} x^{2} + 5 \, c^{3} d^{4} e^{2} x + c^{3} d^{5} e\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 82 vs. \(2 (15) = 30\).
Time = 0.18 (sec) , antiderivative size = 82, normalized size of antiderivative = 4.82 \[ \int \frac {1}{\left (c d^2+2 c d e x+c e^2 x^2\right )^3} \, dx=- \frac {1}{5 c^{3} d^{5} e + 25 c^{3} d^{4} e^{2} x + 50 c^{3} d^{3} e^{3} x^{2} + 50 c^{3} d^{2} e^{4} x^{3} + 25 c^{3} d e^{5} x^{4} + 5 c^{3} e^{6} x^{5}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 75 vs. \(2 (15) = 30\).
Time = 0.19 (sec) , antiderivative size = 75, normalized size of antiderivative = 4.41 \[ \int \frac {1}{\left (c d^2+2 c d e x+c e^2 x^2\right )^3} \, dx=-\frac {1}{5 \, {\left (c^{3} e^{6} x^{5} + 5 \, c^{3} d e^{5} x^{4} + 10 \, c^{3} d^{2} e^{4} x^{3} + 10 \, c^{3} d^{3} e^{3} x^{2} + 5 \, c^{3} d^{4} e^{2} x + c^{3} d^{5} e\right )}} \]
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none
Time = 0.27 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {1}{\left (c d^2+2 c d e x+c e^2 x^2\right )^3} \, dx=-\frac {1}{5 \, {\left (e x + d\right )}^{5} c^{3} e} \]
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Time = 9.67 (sec) , antiderivative size = 77, normalized size of antiderivative = 4.53 \[ \int \frac {1}{\left (c d^2+2 c d e x+c e^2 x^2\right )^3} \, dx=-\frac {1}{5\,c^3\,d^5\,e+25\,c^3\,d^4\,e^2\,x+50\,c^3\,d^3\,e^3\,x^2+50\,c^3\,d^2\,e^4\,x^3+25\,c^3\,d\,e^5\,x^4+5\,c^3\,e^6\,x^5} \]
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