Integrand size = 29, antiderivative size = 19 \[ \int -\frac {2 e^{14}}{144 x^2+216 e^5 x^2+81 e^{10} x^2} \, dx=\frac {2 e^4}{9 \left (3+\frac {4}{e^5}\right )^2 x} \]
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Time = 0.00 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.103, Rules used = {6, 12, 30} \[ \int -\frac {2 e^{14}}{144 x^2+216 e^5 x^2+81 e^{10} x^2} \, dx=\frac {2 e^{14}}{9 \left (4+3 e^5\right )^2 x} \]
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Rule 6
Rule 12
Rule 30
Rubi steps \begin{align*} \text {integral}& = \int -\frac {2 e^{14}}{81 e^{10} x^2+\left (144+216 e^5\right ) x^2} \, dx \\ & = \int -\frac {2 e^{14}}{\left (144+216 e^5+81 e^{10}\right ) x^2} \, dx \\ & = -\frac {\left (2 e^{14}\right ) \int \frac {1}{x^2} \, dx}{9 \left (4+3 e^5\right )^2} \\ & = \frac {2 e^{14}}{9 \left (4+3 e^5\right )^2 x} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int -\frac {2 e^{14}}{144 x^2+216 e^5 x^2+81 e^{10} x^2} \, dx=\frac {2 e^{14}}{9 \left (4+3 e^5\right )^2 x} \]
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Time = 0.26 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.05
method | result | size |
norman | \(\frac {2 \,{\mathrm e}^{4} {\mathrm e}^{10}}{9 \left (3 \,{\mathrm e}^{5}+4\right )^{2} x}\) | \(20\) |
risch | \(\frac {2 \,{\mathrm e}^{14}}{9 x \left (9 \,{\mathrm e}^{10}+24 \,{\mathrm e}^{5}+16\right )}\) | \(20\) |
gosper | \(\frac {2 \,{\mathrm e}^{4} {\mathrm e}^{10}}{9 x \left (9 \,{\mathrm e}^{10}+24 \,{\mathrm e}^{5}+16\right )}\) | \(26\) |
default | \(\frac {2 \,{\mathrm e}^{4} {\mathrm e}^{10}}{9 x \left (9 \,{\mathrm e}^{10}+24 \,{\mathrm e}^{5}+16\right )}\) | \(26\) |
parallelrisch | \(\frac {2 \,{\mathrm e}^{4} {\mathrm e}^{10}}{9 x \left (9 \,{\mathrm e}^{10}+24 \,{\mathrm e}^{5}+16\right )}\) | \(26\) |
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Time = 0.29 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.05 \[ \int -\frac {2 e^{14}}{144 x^2+216 e^5 x^2+81 e^{10} x^2} \, dx=\frac {2 \, e^{14}}{9 \, {\left (9 \, x e^{10} + 24 \, x e^{5} + 16 \, x\right )}} \]
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Time = 0.03 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.89 \[ \int -\frac {2 e^{14}}{144 x^2+216 e^5 x^2+81 e^{10} x^2} \, dx=\frac {2 e^{14}}{x \left (144 + 216 e^{5} + 81 e^{10}\right )} \]
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Time = 0.19 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int -\frac {2 e^{14}}{144 x^2+216 e^5 x^2+81 e^{10} x^2} \, dx=\frac {2 \, e^{14}}{9 \, x {\left (9 \, e^{10} + 24 \, e^{5} + 16\right )}} \]
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Time = 0.27 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int -\frac {2 e^{14}}{144 x^2+216 e^5 x^2+81 e^{10} x^2} \, dx=\frac {2 \, e^{14}}{9 \, x {\left (9 \, e^{10} + 24 \, e^{5} + 16\right )}} \]
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Time = 10.18 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int -\frac {2 e^{14}}{144 x^2+216 e^5 x^2+81 e^{10} x^2} \, dx=\frac {2\,{\mathrm {e}}^{14}}{9\,x\,{\left (3\,{\mathrm {e}}^5+4\right )}^2} \]
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