Integrand size = 27, antiderivative size = 15 \[ \int -\frac {288 e^{15} x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx=\frac {6 x}{x+\frac {16 x^4}{e^{15}}} \]
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Time = 0.00 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.07, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {12, 28, 267} \[ \int -\frac {288 e^{15} x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx=\frac {6 e^{15}}{16 x^3+e^{15}} \]
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Rule 12
Rule 28
Rule 267
Rubi steps \begin{align*} \text {integral}& = -\left (\left (288 e^{15}\right ) \int \frac {x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx\right ) \\ & = -\left (\left (73728 e^{15}\right ) \int \frac {x^2}{\left (16 e^{15}+256 x^3\right )^2} \, dx\right ) \\ & = \frac {6 e^{15}}{e^{15}+16 x^3} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.07 \[ \int -\frac {288 e^{15} x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx=\frac {6 e^{15}}{e^{15}+16 x^3} \]
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Time = 0.15 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00
method | result | size |
risch | \(\frac {6 \,{\mathrm e}^{15}}{{\mathrm e}^{15}+16 x^{3}}\) | \(15\) |
gosper | \(\frac {6 \,{\mathrm e}^{15}}{{\mathrm e}^{15}+16 x^{3}}\) | \(19\) |
norman | \(\frac {6 \,{\mathrm e}^{15}}{{\mathrm e}^{15}+16 x^{3}}\) | \(19\) |
parallelrisch | \(\frac {6 \,{\mathrm e}^{15}}{{\mathrm e}^{15}+16 x^{3}}\) | \(19\) |
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Time = 0.22 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int -\frac {288 e^{15} x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx=\frac {6 \, e^{15}}{16 \, x^{3} + e^{15}} \]
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Time = 0.08 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int -\frac {288 e^{15} x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx=\frac {288 e^{15}}{768 x^{3} + 48 e^{15}} \]
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Time = 0.19 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int -\frac {288 e^{15} x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx=\frac {6 \, e^{15}}{16 \, x^{3} + e^{15}} \]
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Time = 0.27 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int -\frac {288 e^{15} x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx=\frac {6 \, e^{15}}{16 \, x^{3} + e^{15}} \]
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Time = 0.13 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int -\frac {288 e^{15} x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx=\frac {6\,{\mathrm {e}}^{15}}{16\,x^3+{\mathrm {e}}^{15}} \]
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