Integrand size = 82, antiderivative size = 23 \[ \int \frac {270+90 e^{13/2}-90 x^2}{9+e^{13}+12 x-4 e^{39/4} x+10 x^2+4 x^3+x^4+e^{13/2} \left (6+4 x+6 x^2\right )+e^{13/4} \left (-12 x-8 x^2-4 x^3\right )} \, dx=1+\frac {90 x}{3+2 x+\left (-e^{13/4}+x\right )^2} \]
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Time = 0.08 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.17, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.061, Rules used = {6, 1694, 12, 1828, 8} \[ \int \frac {270+90 e^{13/2}-90 x^2}{9+e^{13}+12 x-4 e^{39/4} x+10 x^2+4 x^3+x^4+e^{13/2} \left (6+4 x+6 x^2\right )+e^{13/4} \left (-12 x-8 x^2-4 x^3\right )} \, dx=\frac {90 x}{x^2+2 \left (1-e^{13/4}\right ) x+e^{13/2}+3} \]
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Rule 6
Rule 8
Rule 12
Rule 1694
Rule 1828
Rubi steps \begin{align*} \text {integral}& = \int \frac {270+90 e^{13/2}-90 x^2}{9+e^{13}+\left (12-4 e^{39/4}\right ) x+10 x^2+4 x^3+x^4+e^{13/2} \left (6+4 x+6 x^2\right )+e^{13/4} \left (-12 x-8 x^2-4 x^3\right )} \, dx \\ & = \text {Subst}\left (\int \frac {90 \left (2 \left (1+e^{13/4}\right )+2 \left (1-e^{13/4}\right ) x-x^2\right )}{\left (2+2 e^{13/4}+x^2\right )^2} \, dx,x,\frac {1}{4} \left (4-4 e^{13/4}\right )+x\right ) \\ & = 90 \text {Subst}\left (\int \frac {2 \left (1+e^{13/4}\right )+2 \left (1-e^{13/4}\right ) x-x^2}{\left (2+2 e^{13/4}+x^2\right )^2} \, dx,x,\frac {1}{4} \left (4-4 e^{13/4}\right )+x\right ) \\ & = \frac {90 x}{3+e^{13/2}+2 \left (1-e^{13/4}\right ) x+x^2}-\frac {45 \text {Subst}\left (\int 0 \, dx,x,\frac {1}{4} \left (4-4 e^{13/4}\right )+x\right )}{2 \left (1+e^{13/4}\right )} \\ & = \frac {90 x}{3+e^{13/2}+2 \left (1-e^{13/4}\right ) x+x^2} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.13 \[ \int \frac {270+90 e^{13/2}-90 x^2}{9+e^{13}+12 x-4 e^{39/4} x+10 x^2+4 x^3+x^4+e^{13/2} \left (6+4 x+6 x^2\right )+e^{13/4} \left (-12 x-8 x^2-4 x^3\right )} \, dx=\frac {90 x}{3+e^{13/2}+2 x-2 e^{13/4} x+x^2} \]
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Time = 0.20 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91
method | result | size |
risch | \(\frac {90 x}{{\mathrm e}^{\frac {13}{2}}-2 \,{\mathrm e}^{\frac {13}{4}} x +x^{2}+2 x +3}\) | \(21\) |
gosper | \(\frac {90 x}{{\mathrm e}^{\frac {13}{2}}-2 \,{\mathrm e}^{\frac {13}{4}} x +x^{2}+2 x +3}\) | \(23\) |
norman | \(\frac {90 x}{{\mathrm e}^{\frac {13}{2}}-2 \,{\mathrm e}^{\frac {13}{4}} x +x^{2}+2 x +3}\) | \(23\) |
parallelrisch | \(\frac {90 x}{{\mathrm e}^{\frac {13}{2}}-2 \,{\mathrm e}^{\frac {13}{4}} x +x^{2}+2 x +3}\) | \(23\) |
default | \(\frac {45 \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (\textit {\_Z}^{4}+\left (-4 \,{\mathrm e}^{\frac {13}{4}}+4\right ) \textit {\_Z}^{3}+\left (6 \,{\mathrm e}^{\frac {13}{2}}-8 \,{\mathrm e}^{\frac {13}{4}}+10\right ) \textit {\_Z}^{2}+\left (-4 \,{\mathrm e}^{\frac {39}{4}}+4 \,{\mathrm e}^{\frac {13}{2}}-12 \,{\mathrm e}^{\frac {13}{4}}+12\right ) \textit {\_Z} +{\mathrm e}^{13}+9+6 \,{\mathrm e}^{\frac {13}{2}}\right )}{\sum }\frac {\left ({\mathrm e}^{\frac {13}{2}}-\textit {\_R}^{2}+3\right ) \ln \left (x -\textit {\_R} \right )}{3-{\mathrm e}^{\frac {39}{4}}+3 \,{\mathrm e}^{\frac {13}{2}} \textit {\_R} -3 \,{\mathrm e}^{\frac {13}{4}} \textit {\_R}^{2}+\textit {\_R}^{3}+{\mathrm e}^{\frac {13}{2}}-4 \,{\mathrm e}^{\frac {13}{4}} \textit {\_R} +3 \textit {\_R}^{2}-3 \,{\mathrm e}^{\frac {13}{4}}+5 \textit {\_R}}\right )}{2}\) | \(116\) |
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Time = 0.23 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int \frac {270+90 e^{13/2}-90 x^2}{9+e^{13}+12 x-4 e^{39/4} x+10 x^2+4 x^3+x^4+e^{13/2} \left (6+4 x+6 x^2\right )+e^{13/4} \left (-12 x-8 x^2-4 x^3\right )} \, dx=\frac {90 \, x}{x^{2} - 2 \, x e^{\frac {13}{4}} + 2 \, x + e^{\frac {13}{2}} + 3} \]
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Leaf count of result is larger than twice the leaf count of optimal. 51 vs. \(2 (17) = 34\).
Time = 0.70 (sec) , antiderivative size = 51, normalized size of antiderivative = 2.22 \[ \int \frac {270+90 e^{13/2}-90 x^2}{9+e^{13}+12 x-4 e^{39/4} x+10 x^2+4 x^3+x^4+e^{13/2} \left (6+4 x+6 x^2\right )+e^{13/4} \left (-12 x-8 x^2-4 x^3\right )} \, dx=- \frac {x \left (- 90 e^{\frac {13}{4}} - 90\right )}{x^{2} \cdot \left (1 + e^{\frac {13}{4}}\right ) + x \left (2 - 2 e^{\frac {13}{2}}\right ) + 3 + 3 e^{\frac {13}{4}} + e^{\frac {13}{2}} + e^{\frac {39}{4}}} \]
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\[ \int \frac {270+90 e^{13/2}-90 x^2}{9+e^{13}+12 x-4 e^{39/4} x+10 x^2+4 x^3+x^4+e^{13/2} \left (6+4 x+6 x^2\right )+e^{13/4} \left (-12 x-8 x^2-4 x^3\right )} \, dx=\int { -\frac {90 \, {\left (x^{2} - e^{\frac {13}{2}} - 3\right )}}{x^{4} + 4 \, x^{3} + 10 \, x^{2} - 4 \, x e^{\frac {39}{4}} + 2 \, {\left (3 \, x^{2} + 2 \, x + 3\right )} e^{\frac {13}{2}} - 4 \, {\left (x^{3} + 2 \, x^{2} + 3 \, x\right )} e^{\frac {13}{4}} + 12 \, x + e^{13} + 9} \,d x } \]
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Time = 0.28 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int \frac {270+90 e^{13/2}-90 x^2}{9+e^{13}+12 x-4 e^{39/4} x+10 x^2+4 x^3+x^4+e^{13/2} \left (6+4 x+6 x^2\right )+e^{13/4} \left (-12 x-8 x^2-4 x^3\right )} \, dx=\frac {90 \, x}{x^{2} - 2 \, x e^{\frac {13}{4}} + 2 \, x + e^{\frac {13}{2}} + 3} \]
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Time = 12.25 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {270+90 e^{13/2}-90 x^2}{9+e^{13}+12 x-4 e^{39/4} x+10 x^2+4 x^3+x^4+e^{13/2} \left (6+4 x+6 x^2\right )+e^{13/4} \left (-12 x-8 x^2-4 x^3\right )} \, dx=\frac {90\,x}{x^2+\left (2-2\,{\mathrm {e}}^{13/4}\right )\,x+{\mathrm {e}}^{13/2}+3} \]
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