Integrand size = 64, antiderivative size = 26 \[ \int \frac {32 e^8+128 x^4+e^4 \left (24+128 x^2\right )}{9 x^3+16 e^8 x^3+48 x^5+64 x^7+e^4 \left (24 x^3+64 x^5\right )} \, dx=-\frac {4}{4 x^2+\frac {3 x}{\frac {e^4}{x}+2 x}} \]
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Time = 0.04 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.65, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.047, Rules used = {6, 2099, 267} \[ \int \frac {32 e^8+128 x^4+e^4 \left (24+128 x^2\right )}{9 x^3+16 e^8 x^3+48 x^5+64 x^7+e^4 \left (24 x^3+64 x^5\right )} \, dx=-\frac {4 e^4}{\left (3+4 e^4\right ) x^2}-\frac {24}{\left (3+4 e^4\right ) \left (8 x^2+4 e^4+3\right )} \]
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Rule 6
Rule 267
Rule 2099
Rubi steps \begin{align*} \text {integral}& = \int \frac {32 e^8+128 x^4+e^4 \left (24+128 x^2\right )}{\left (9+16 e^8\right ) x^3+48 x^5+64 x^7+e^4 \left (24 x^3+64 x^5\right )} \, dx \\ & = \int \left (\frac {8 e^4}{\left (3+4 e^4\right ) x^3}+\frac {384 x}{\left (3+4 e^4\right ) \left (3+4 e^4+8 x^2\right )^2}\right ) \, dx \\ & = -\frac {4 e^4}{\left (3+4 e^4\right ) x^2}+\frac {384 \int \frac {x}{\left (3+4 e^4+8 x^2\right )^2} \, dx}{3+4 e^4} \\ & = -\frac {4 e^4}{\left (3+4 e^4\right ) x^2}-\frac {24}{\left (3+4 e^4\right ) \left (3+4 e^4+8 x^2\right )} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.08 \[ \int \frac {32 e^8+128 x^4+e^4 \left (24+128 x^2\right )}{9 x^3+16 e^8 x^3+48 x^5+64 x^7+e^4 \left (24 x^3+64 x^5\right )} \, dx=-\frac {4 \left (e^4+2 x^2\right )}{x^2 \left (3+4 e^4+8 x^2\right )} \]
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Time = 0.15 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.04
method | result | size |
gosper | \(-\frac {4 \left (2 x^{2}+{\mathrm e}^{4}\right )}{x^{2} \left (8 x^{2}+4 \,{\mathrm e}^{4}+3\right )}\) | \(27\) |
norman | \(\frac {-8 x^{2}-4 \,{\mathrm e}^{4}}{x^{2} \left (8 x^{2}+4 \,{\mathrm e}^{4}+3\right )}\) | \(28\) |
risch | \(\frac {-8 x^{2}-4 \,{\mathrm e}^{4}}{x^{2} \left (8 x^{2}+4 \,{\mathrm e}^{4}+3\right )}\) | \(29\) |
parallelrisch | \(\frac {-64 x^{2}-32 \,{\mathrm e}^{4}}{8 x^{2} \left (8 x^{2}+4 \,{\mathrm e}^{4}+3\right )}\) | \(29\) |
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Time = 0.23 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.15 \[ \int \frac {32 e^8+128 x^4+e^4 \left (24+128 x^2\right )}{9 x^3+16 e^8 x^3+48 x^5+64 x^7+e^4 \left (24 x^3+64 x^5\right )} \, dx=-\frac {4 \, {\left (2 \, x^{2} + e^{4}\right )}}{8 \, x^{4} + 4 \, x^{2} e^{4} + 3 \, x^{2}} \]
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Time = 0.36 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \frac {32 e^8+128 x^4+e^4 \left (24+128 x^2\right )}{9 x^3+16 e^8 x^3+48 x^5+64 x^7+e^4 \left (24 x^3+64 x^5\right )} \, dx=\frac {- 8 x^{2} - 4 e^{4}}{8 x^{4} + x^{2} \cdot \left (3 + 4 e^{4}\right )} \]
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Time = 0.19 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.08 \[ \int \frac {32 e^8+128 x^4+e^4 \left (24+128 x^2\right )}{9 x^3+16 e^8 x^3+48 x^5+64 x^7+e^4 \left (24 x^3+64 x^5\right )} \, dx=-\frac {4 \, {\left (2 \, x^{2} + e^{4}\right )}}{8 \, x^{4} + x^{2} {\left (4 \, e^{4} + 3\right )}} \]
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Time = 0.25 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.15 \[ \int \frac {32 e^8+128 x^4+e^4 \left (24+128 x^2\right )}{9 x^3+16 e^8 x^3+48 x^5+64 x^7+e^4 \left (24 x^3+64 x^5\right )} \, dx=-\frac {4 \, {\left (2 \, x^{2} + e^{4}\right )}}{8 \, x^{4} + 4 \, x^{2} e^{4} + 3 \, x^{2}} \]
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Time = 8.96 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \frac {32 e^8+128 x^4+e^4 \left (24+128 x^2\right )}{9 x^3+16 e^8 x^3+48 x^5+64 x^7+e^4 \left (24 x^3+64 x^5\right )} \, dx=-\frac {4\,\left (2\,x^2+{\mathrm {e}}^4\right )}{x^2\,\left (8\,x^2+4\,{\mathrm {e}}^4+3\right )} \]
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