Integrand size = 90, antiderivative size = 26 \[ \int \frac {-27 x^5-27 x^6+45 x^7-17 x^8+2 x^9+e^2 \left (48+48 x-16 x^2-16 x^3\right )+e \left (36 x^3-36 x^4-4 x^5+4 x^6\right )}{-27 x^5+27 x^6-9 x^7+x^8} \, dx=x+\left (-x+\frac {2 e}{x \left (x-\frac {4 x}{1+x}\right )}\right )^2 \]
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Leaf count is larger than twice the leaf count of optimal. \(79\) vs. \(2(26)=52\).
Time = 0.08 (sec) , antiderivative size = 79, normalized size of antiderivative = 3.04, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.011, Rules used = {2099} \[ \int \frac {-27 x^5-27 x^6+45 x^7-17 x^8+2 x^9+e^2 \left (48+48 x-16 x^2-16 x^3\right )+e \left (36 x^3-36 x^4-4 x^5+4 x^6\right )}{-27 x^5+27 x^6-9 x^7+x^8} \, dx=\frac {4 e^2}{9 x^4}+\frac {32 e^2}{27 x^3}+x^2+\frac {32 e^2}{27 x^2}+x+\frac {16 e (81+10 e)}{243 (3-x)}+\frac {64 e^2}{81 (3-x)^2}+\frac {4 e (81+40 e)}{243 x} \]
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Rule 2099
Rubi steps \begin{align*} \text {integral}& = \int \left (1-\frac {128 e^2}{81 (-3+x)^3}+\frac {16 e (81+10 e)}{243 (-3+x)^2}-\frac {16 e^2}{9 x^5}-\frac {32 e^2}{9 x^4}-\frac {64 e^2}{27 x^3}-\frac {4 e (81+40 e)}{243 x^2}+2 x\right ) \, dx \\ & = \frac {64 e^2}{81 (3-x)^2}+\frac {16 e (81+10 e)}{243 (3-x)}+\frac {4 e^2}{9 x^4}+\frac {32 e^2}{27 x^3}+\frac {32 e^2}{27 x^2}+\frac {4 e (81+40 e)}{243 x}+x+x^2 \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.50 \[ \int \frac {-27 x^5-27 x^6+45 x^7-17 x^8+2 x^9+e^2 \left (48+48 x-16 x^2-16 x^3\right )+e \left (36 x^3-36 x^4-4 x^5+4 x^6\right )}{-27 x^5+27 x^6-9 x^7+x^8} \, dx=\frac {(1+x) \left (-4 e (-3+x) x^3+(-3+x)^2 x^5+4 e^2 (1+x)\right )}{(-3+x)^2 x^4} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(57\) vs. \(2(27)=54\).
Time = 0.18 (sec) , antiderivative size = 58, normalized size of antiderivative = 2.23
method | result | size |
risch | \(x^{2}+x +\frac {-4 x^{5} {\mathrm e}+8 x^{4} {\mathrm e}+4 x^{2} {\mathrm e}^{2}+12 x^{3} {\mathrm e}+8 \,{\mathrm e}^{2} x +4 \,{\mathrm e}^{2}}{x^{4} \left (x^{2}-6 x +9\right )}\) | \(58\) |
default | \(x +x^{2}-\frac {\frac {160 \,{\mathrm e}^{2}}{243}+\frac {16 \,{\mathrm e}}{3}}{-3+x}+\frac {64 \,{\mathrm e}^{2}}{81 \left (-3+x \right )^{2}}-\frac {-\frac {160 \,{\mathrm e}^{2}}{243}-\frac {4 \,{\mathrm e}}{3}}{x}+\frac {4 \,{\mathrm e}^{2}}{9 x^{4}}+\frac {32 \,{\mathrm e}^{2}}{27 x^{3}}+\frac {32 \,{\mathrm e}^{2}}{27 x^{2}}\) | \(66\) |
norman | \(\frac {x^{8}+\left (8 \,{\mathrm e}-27\right ) x^{4}+\left (-4 \,{\mathrm e}+27\right ) x^{5}-5 x^{7}+4 \,{\mathrm e}^{2}+8 \,{\mathrm e}^{2} x +4 x^{2} {\mathrm e}^{2}+12 x^{3} {\mathrm e}}{x^{4} \left (-3+x \right )^{2}}\) | \(68\) |
gosper | \(\frac {x^{8}-5 x^{7}-4 x^{5} {\mathrm e}+8 x^{4} {\mathrm e}+27 x^{5}+4 x^{2} {\mathrm e}^{2}+12 x^{3} {\mathrm e}-27 x^{4}+8 \,{\mathrm e}^{2} x +4 \,{\mathrm e}^{2}}{x^{4} \left (x^{2}-6 x +9\right )}\) | \(77\) |
parallelrisch | \(\frac {x^{8}-5 x^{7}-4 x^{5} {\mathrm e}+8 x^{4} {\mathrm e}+27 x^{5}+4 x^{2} {\mathrm e}^{2}+12 x^{3} {\mathrm e}-27 x^{4}+8 \,{\mathrm e}^{2} x +4 \,{\mathrm e}^{2}}{x^{4} \left (x^{2}-6 x +9\right )}\) | \(77\) |
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Leaf count of result is larger than twice the leaf count of optimal. 66 vs. \(2 (25) = 50\).
Time = 0.23 (sec) , antiderivative size = 66, normalized size of antiderivative = 2.54 \[ \int \frac {-27 x^5-27 x^6+45 x^7-17 x^8+2 x^9+e^2 \left (48+48 x-16 x^2-16 x^3\right )+e \left (36 x^3-36 x^4-4 x^5+4 x^6\right )}{-27 x^5+27 x^6-9 x^7+x^8} \, dx=\frac {x^{8} - 5 \, x^{7} + 3 \, x^{6} + 9 \, x^{5} + 4 \, {\left (x^{2} + 2 \, x + 1\right )} e^{2} - 4 \, {\left (x^{5} - 2 \, x^{4} - 3 \, x^{3}\right )} e}{x^{6} - 6 \, x^{5} + 9 \, x^{4}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 63 vs. \(2 (19) = 38\).
Time = 0.99 (sec) , antiderivative size = 63, normalized size of antiderivative = 2.42 \[ \int \frac {-27 x^5-27 x^6+45 x^7-17 x^8+2 x^9+e^2 \left (48+48 x-16 x^2-16 x^3\right )+e \left (36 x^3-36 x^4-4 x^5+4 x^6\right )}{-27 x^5+27 x^6-9 x^7+x^8} \, dx=x^{2} + x + \frac {- 4 e x^{5} + 8 e x^{4} + 12 e x^{3} + 4 x^{2} e^{2} + 8 x e^{2} + 4 e^{2}}{x^{6} - 6 x^{5} + 9 x^{4}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 60 vs. \(2 (25) = 50\).
Time = 0.19 (sec) , antiderivative size = 60, normalized size of antiderivative = 2.31 \[ \int \frac {-27 x^5-27 x^6+45 x^7-17 x^8+2 x^9+e^2 \left (48+48 x-16 x^2-16 x^3\right )+e \left (36 x^3-36 x^4-4 x^5+4 x^6\right )}{-27 x^5+27 x^6-9 x^7+x^8} \, dx=x^{2} + x - \frac {4 \, {\left (x^{5} e - 2 \, x^{4} e - 3 \, x^{3} e - x^{2} e^{2} - 2 \, x e^{2} - e^{2}\right )}}{x^{6} - 6 \, x^{5} + 9 \, x^{4}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 67 vs. \(2 (25) = 50\).
Time = 0.28 (sec) , antiderivative size = 67, normalized size of antiderivative = 2.58 \[ \int \frac {-27 x^5-27 x^6+45 x^7-17 x^8+2 x^9+e^2 \left (48+48 x-16 x^2-16 x^3\right )+e \left (36 x^3-36 x^4-4 x^5+4 x^6\right )}{-27 x^5+27 x^6-9 x^7+x^8} \, dx=x^{2} + x - \frac {16 \, {\left (10 \, x e^{2} + 81 \, x e - 42 \, e^{2} - 243 \, e\right )}}{243 \, {\left (x - 3\right )}^{2}} + \frac {4 \, {\left (40 \, x^{3} e^{2} + 81 \, x^{3} e + 72 \, x^{2} e^{2} + 72 \, x e^{2} + 27 \, e^{2}\right )}}{243 \, x^{4}} \]
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Time = 12.05 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.88 \[ \int \frac {-27 x^5-27 x^6+45 x^7-17 x^8+2 x^9+e^2 \left (48+48 x-16 x^2-16 x^3\right )+e \left (36 x^3-36 x^4-4 x^5+4 x^6\right )}{-27 x^5+27 x^6-9 x^7+x^8} \, dx=\frac {\left (x+1\right )\,\left (x^7-6\,x^6+9\,x^5-4\,\mathrm {e}\,x^4+12\,\mathrm {e}\,x^3+4\,{\mathrm {e}}^2\,x+4\,{\mathrm {e}}^2\right )}{x^4\,{\left (x-3\right )}^2} \]
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