Integrand size = 35, antiderivative size = 35 \[ \int \frac {(d+e x)^4}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3} \, dx=-\frac {(d+e x)^2}{2 \left (c d^2-a e^2\right ) (a e+c d x)^2} \]
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Time = 0.01 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.057, Rules used = {640, 37} \[ \int \frac {(d+e x)^4}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3} \, dx=-\frac {(d+e x)^2}{2 \left (c d^2-a e^2\right ) (a e+c d x)^2} \]
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Rule 37
Rule 640
Rubi steps \begin{align*} \text {integral}& = \int \frac {d+e x}{(a e+c d x)^3} \, dx \\ & = -\frac {(d+e x)^2}{2 \left (c d^2-a e^2\right ) (a e+c d x)^2} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00 \[ \int \frac {(d+e x)^4}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3} \, dx=-\frac {a e^2+c d (d+2 e x)}{2 c^2 d^2 (a e+c d x)^2} \]
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Time = 2.40 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.03
method | result | size |
gosper | \(-\frac {2 x c d e +e^{2} a +c \,d^{2}}{2 \left (c d x +a e \right )^{2} c^{2} d^{2}}\) | \(36\) |
parallelrisch | \(\frac {-2 x c d e -e^{2} a -c \,d^{2}}{2 c^{2} d^{2} \left (c d x +a e \right )^{2}}\) | \(38\) |
risch | \(\frac {-\frac {e x}{c d}-\frac {e^{2} a +c \,d^{2}}{2 c^{2} d^{2}}}{\left (c d x +a e \right )^{2}}\) | \(42\) |
default | \(-\frac {-e^{2} a +c \,d^{2}}{2 c^{2} d^{2} \left (c d x +a e \right )^{2}}-\frac {e}{c^{2} d^{2} \left (c d x +a e \right )}\) | \(51\) |
norman | \(\frac {-\frac {e^{3} x^{3}}{c d}+\frac {\left (-e^{4} a -2 d^{2} e^{2} c \right ) x}{c^{2} d e}+\frac {-e^{2} a -c \,d^{2}}{2 c^{2}}+\frac {\left (-a \,e^{6}-5 c \,d^{2} e^{4}\right ) x^{2}}{2 c^{2} d^{2} e^{2}}}{\left (c d x +a e \right )^{2} \left (e x +d \right )^{2}}\) | \(109\) |
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Time = 0.29 (sec) , antiderivative size = 56, normalized size of antiderivative = 1.60 \[ \int \frac {(d+e x)^4}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3} \, dx=-\frac {2 \, c d e x + c d^{2} + a e^{2}}{2 \, {\left (c^{4} d^{4} x^{2} + 2 \, a c^{3} d^{3} e x + a^{2} c^{2} d^{2} e^{2}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 60 vs. \(2 (29) = 58\).
Time = 0.18 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.71 \[ \int \frac {(d+e x)^4}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3} \, dx=\frac {- a e^{2} - c d^{2} - 2 c d e x}{2 a^{2} c^{2} d^{2} e^{2} + 4 a c^{3} d^{3} e x + 2 c^{4} d^{4} x^{2}} \]
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Time = 0.19 (sec) , antiderivative size = 56, normalized size of antiderivative = 1.60 \[ \int \frac {(d+e x)^4}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3} \, dx=-\frac {2 \, c d e x + c d^{2} + a e^{2}}{2 \, {\left (c^{4} d^{4} x^{2} + 2 \, a c^{3} d^{3} e x + a^{2} c^{2} d^{2} e^{2}\right )}} \]
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Time = 0.27 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00 \[ \int \frac {(d+e x)^4}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3} \, dx=-\frac {2 \, c d e x + c d^{2} + a e^{2}}{2 \, {\left (c d x + a e\right )}^{2} c^{2} d^{2}} \]
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Time = 0.05 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.23 \[ \int \frac {(d+e x)^4}{\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3} \, dx=-\frac {\frac {1}{2\,c}-\frac {x^2}{2\,a}}{a^2\,e^2+2\,a\,c\,d\,e\,x+c^2\,d^2\,x^2} \]
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