Integrand size = 35, antiderivative size = 35 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^8} \, dx=\frac {(a e+c d x)^4}{4 \left (c d^2-a e^2\right ) (d+e x)^4} \]
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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} \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^8} \, dx=\frac {(a e+c d x)^4}{4 (d+e x)^4 \left (c d^2-a e^2\right )} \]
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Rule 37
Rule 640
Rubi steps \begin{align*} \text {integral}& = \int \frac {(a e+c d x)^3}{(d+e x)^5} \, dx \\ & = \frac {(a e+c d x)^4}{4 \left (c d^2-a e^2\right ) (d+e x)^4} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(100\) vs. \(2(35)=70\).
Time = 0.02 (sec) , antiderivative size = 100, normalized size of antiderivative = 2.86 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^8} \, dx=-\frac {a^3 e^6+a^2 c d e^4 (d+4 e x)+a c^2 d^2 e^2 \left (d^2+4 d e x+6 e^2 x^2\right )+c^3 d^3 \left (d^3+4 d^2 e x+6 d e^2 x^2+4 e^3 x^3\right )}{4 e^4 (d+e x)^4} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(122\) vs. \(2(33)=66\).
Time = 2.60 (sec) , antiderivative size = 123, normalized size of antiderivative = 3.51
method | result | size |
risch | \(\frac {-\frac {c^{3} d^{3} x^{3}}{e}-\frac {3 c^{2} d^{2} \left (e^{2} a +c \,d^{2}\right ) x^{2}}{2 e^{2}}-\frac {d c \left (a^{2} e^{4}+a c \,d^{2} e^{2}+c^{2} d^{4}\right ) x}{e^{3}}-\frac {e^{6} a^{3}+d^{2} e^{4} a^{2} c +d^{4} e^{2} c^{2} a +c^{3} d^{6}}{4 e^{4}}}{\left (e x +d \right )^{4}}\) | \(123\) |
gosper | \(-\frac {4 x^{3} c^{3} d^{3} e^{3}+6 x^{2} a \,c^{2} d^{2} e^{4}+6 x^{2} c^{3} d^{4} e^{2}+4 x \,a^{2} c d \,e^{5}+4 x a \,c^{2} d^{3} e^{3}+4 x \,c^{3} d^{5} e +e^{6} a^{3}+d^{2} e^{4} a^{2} c +d^{4} e^{2} c^{2} a +c^{3} d^{6}}{4 e^{4} \left (e x +d \right )^{4}}\) | \(127\) |
parallelrisch | \(\frac {-4 x^{3} c^{3} d^{3} e^{3}-6 x^{2} a \,c^{2} d^{2} e^{4}-6 x^{2} c^{3} d^{4} e^{2}-4 x \,a^{2} c d \,e^{5}-4 x a \,c^{2} d^{3} e^{3}-4 x \,c^{3} d^{5} e -e^{6} a^{3}-d^{2} e^{4} a^{2} c -d^{4} e^{2} c^{2} a -c^{3} d^{6}}{4 e^{4} \left (e x +d \right )^{4}}\) | \(131\) |
default | \(-\frac {c^{3} d^{3}}{e^{4} \left (e x +d \right )}-\frac {c d \left (a^{2} e^{4}-2 a c \,d^{2} e^{2}+c^{2} d^{4}\right )}{e^{4} \left (e x +d \right )^{3}}-\frac {e^{6} a^{3}-3 d^{2} e^{4} a^{2} c +3 d^{4} e^{2} c^{2} a -c^{3} d^{6}}{4 e^{4} \left (e x +d \right )^{4}}-\frac {3 c^{2} d^{2} \left (e^{2} a -c \,d^{2}\right )}{2 e^{4} \left (e x +d \right )^{2}}\) | \(141\) |
norman | \(\frac {-\frac {d^{3} \left (a^{3} e^{9}+a^{2} c \,d^{2} e^{7}+d^{4} c^{2} a \,e^{5}+c^{3} d^{6} e^{3}\right )}{4 e^{7}}-\frac {\left (a^{3} e^{9}+13 a^{2} c \,d^{2} e^{7}+31 d^{4} c^{2} a \,e^{5}+35 c^{3} d^{6} e^{3}\right ) x^{3}}{4 e^{4}}-e^{2} c^{3} d^{3} x^{6}-\frac {d \left (2 a^{2} c \,e^{7}+11 a \,c^{2} d^{2} e^{5}+17 c^{3} d^{4} e^{3}\right ) x^{4}}{2 e^{3}}-\frac {3 d \left (a^{3} e^{9}+5 a^{2} c \,d^{2} e^{7}+7 d^{4} c^{2} a \,e^{5}+7 c^{3} d^{6} e^{3}\right ) x^{2}}{4 e^{5}}-\frac {3 d^{2} \left (a \,c^{2} e^{5}+3 c^{3} d^{2} e^{3}\right ) x^{5}}{2 e^{2}}-\frac {d^{2} \left (3 a^{3} e^{9}+7 a^{2} c \,d^{2} e^{7}+7 d^{4} c^{2} a \,e^{5}+7 c^{3} d^{6} e^{3}\right ) x}{4 e^{6}}}{\left (e x +d \right )^{7}}\) | \(301\) |
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Leaf count of result is larger than twice the leaf count of optimal. 158 vs. \(2 (33) = 66\).
Time = 0.29 (sec) , antiderivative size = 158, normalized size of antiderivative = 4.51 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^8} \, dx=-\frac {4 \, c^{3} d^{3} e^{3} x^{3} + c^{3} d^{6} + a c^{2} d^{4} e^{2} + a^{2} c d^{2} e^{4} + a^{3} e^{6} + 6 \, {\left (c^{3} d^{4} e^{2} + a c^{2} d^{2} e^{4}\right )} x^{2} + 4 \, {\left (c^{3} d^{5} e + a c^{2} d^{3} e^{3} + a^{2} c d e^{5}\right )} x}{4 \, {\left (e^{8} x^{4} + 4 \, d e^{7} x^{3} + 6 \, d^{2} e^{6} x^{2} + 4 \, d^{3} e^{5} x + d^{4} e^{4}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 170 vs. \(2 (27) = 54\).
Time = 47.48 (sec) , antiderivative size = 170, normalized size of antiderivative = 4.86 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^8} \, dx=\frac {- a^{3} e^{6} - a^{2} c d^{2} e^{4} - a c^{2} d^{4} e^{2} - c^{3} d^{6} - 4 c^{3} d^{3} e^{3} x^{3} + x^{2} \left (- 6 a c^{2} d^{2} e^{4} - 6 c^{3} d^{4} e^{2}\right ) + x \left (- 4 a^{2} c d e^{5} - 4 a c^{2} d^{3} e^{3} - 4 c^{3} d^{5} e\right )}{4 d^{4} e^{4} + 16 d^{3} e^{5} x + 24 d^{2} e^{6} x^{2} + 16 d e^{7} x^{3} + 4 e^{8} x^{4}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 158 vs. \(2 (33) = 66\).
Time = 0.22 (sec) , antiderivative size = 158, normalized size of antiderivative = 4.51 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^8} \, dx=-\frac {4 \, c^{3} d^{3} e^{3} x^{3} + c^{3} d^{6} + a c^{2} d^{4} e^{2} + a^{2} c d^{2} e^{4} + a^{3} e^{6} + 6 \, {\left (c^{3} d^{4} e^{2} + a c^{2} d^{2} e^{4}\right )} x^{2} + 4 \, {\left (c^{3} d^{5} e + a c^{2} d^{3} e^{3} + a^{2} c d e^{5}\right )} x}{4 \, {\left (e^{8} x^{4} + 4 \, d e^{7} x^{3} + 6 \, d^{2} e^{6} x^{2} + 4 \, d^{3} e^{5} x + d^{4} e^{4}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 126 vs. \(2 (33) = 66\).
Time = 0.28 (sec) , antiderivative size = 126, normalized size of antiderivative = 3.60 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^8} \, dx=-\frac {4 \, c^{3} d^{3} e^{3} x^{3} + 6 \, c^{3} d^{4} e^{2} x^{2} + 6 \, a c^{2} d^{2} e^{4} x^{2} + 4 \, c^{3} d^{5} e x + 4 \, a c^{2} d^{3} e^{3} x + 4 \, a^{2} c d e^{5} x + c^{3} d^{6} + a c^{2} d^{4} e^{2} + a^{2} c d^{2} e^{4} + a^{3} e^{6}}{4 \, {\left (e x + d\right )}^{4} e^{4}} \]
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Time = 9.89 (sec) , antiderivative size = 102, normalized size of antiderivative = 2.91 \[ \int \frac {\left (a d e+\left (c d^2+a e^2\right ) x+c d e x^2\right )^3}{(d+e x)^8} \, dx=-\frac {d\,\left (a^2\,c\,e\,x-a\,c^2\,e\,x^3\right )+\frac {a^3\,e^2}{4}+d^2\,\left (\frac {a^2\,c}{4}-\frac {c^3\,x^4}{4}\right )-\frac {a\,c^2\,e^2\,x^4}{4}}{d^4+4\,d^3\,e\,x+6\,d^2\,e^2\,x^2+4\,d\,e^3\,x^3+e^4\,x^4} \]
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