Integrand size = 48, antiderivative size = 21 \[ \int \frac {e^{\frac {2+30 x^2+15 x^3+x^5}{15 x^2}} \left (-4-30 x^2+15 x^3+3 x^5\right )}{15 x^5} \, dx=\frac {e^{2+x+\frac {2+x^5}{15 x^2}}}{x^2} \]
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Leaf count is larger than twice the leaf count of optimal. \(81\) vs. \(2(21)=42\).
Time = 0.07 (sec) , antiderivative size = 81, normalized size of antiderivative = 3.86, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.042, Rules used = {12, 2326} \[ \int \frac {e^{\frac {2+30 x^2+15 x^3+x^5}{15 x^2}} \left (-4-30 x^2+15 x^3+3 x^5\right )}{15 x^5} \, dx=-\frac {e^{\frac {x^5+15 x^3+30 x^2+2}{15 x^2}} \left (-3 x^5-15 x^3+4\right )}{x^5 \left (\frac {5 \left (x^4+9 x^2+12 x\right )}{x^2}-\frac {2 \left (x^5+15 x^3+30 x^2+2\right )}{x^3}\right )} \]
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Rule 12
Rule 2326
Rubi steps \begin{align*} \text {integral}& = \frac {1}{15} \int \frac {e^{\frac {2+30 x^2+15 x^3+x^5}{15 x^2}} \left (-4-30 x^2+15 x^3+3 x^5\right )}{x^5} \, dx \\ & = -\frac {e^{\frac {2+30 x^2+15 x^3+x^5}{15 x^2}} \left (4-15 x^3-3 x^5\right )}{x^5 \left (\frac {5 \left (12 x+9 x^2+x^4\right )}{x^2}-\frac {2 \left (2+30 x^2+15 x^3+x^5\right )}{x^3}\right )} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.10 \[ \int \frac {e^{\frac {2+30 x^2+15 x^3+x^5}{15 x^2}} \left (-4-30 x^2+15 x^3+3 x^5\right )}{15 x^5} \, dx=\frac {e^{2+\frac {2}{15 x^2}+x+\frac {x^3}{15}}}{x^2} \]
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Time = 0.12 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.24
method | result | size |
gosper | \(\frac {{\mathrm e}^{\frac {x^{5}+15 x^{3}+30 x^{2}+2}{15 x^{2}}}}{x^{2}}\) | \(26\) |
norman | \(\frac {{\mathrm e}^{\frac {x^{5}+15 x^{3}+30 x^{2}+2}{15 x^{2}}}}{x^{2}}\) | \(26\) |
risch | \(\frac {{\mathrm e}^{\frac {x^{5}+15 x^{3}+30 x^{2}+2}{15 x^{2}}}}{x^{2}}\) | \(26\) |
parallelrisch | \(\frac {{\mathrm e}^{\frac {x^{5}+15 x^{3}+30 x^{2}+2}{15 x^{2}}}}{x^{2}}\) | \(26\) |
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Time = 0.23 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.19 \[ \int \frac {e^{\frac {2+30 x^2+15 x^3+x^5}{15 x^2}} \left (-4-30 x^2+15 x^3+3 x^5\right )}{15 x^5} \, dx=\frac {e^{\left (\frac {x^{5} + 15 \, x^{3} + 30 \, x^{2} + 2}{15 \, x^{2}}\right )}}{x^{2}} \]
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Time = 0.08 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.14 \[ \int \frac {e^{\frac {2+30 x^2+15 x^3+x^5}{15 x^2}} \left (-4-30 x^2+15 x^3+3 x^5\right )}{15 x^5} \, dx=\frac {e^{\frac {\frac {x^{5}}{15} + x^{3} + 2 x^{2} + \frac {2}{15}}{x^{2}}}}{x^{2}} \]
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Time = 0.26 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.86 \[ \int \frac {e^{\frac {2+30 x^2+15 x^3+x^5}{15 x^2}} \left (-4-30 x^2+15 x^3+3 x^5\right )}{15 x^5} \, dx=\frac {e^{\left (\frac {1}{15} \, x^{3} + x + \frac {2}{15 \, x^{2}} + 2\right )}}{x^{2}} \]
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Time = 0.27 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.19 \[ \int \frac {e^{\frac {2+30 x^2+15 x^3+x^5}{15 x^2}} \left (-4-30 x^2+15 x^3+3 x^5\right )}{15 x^5} \, dx=\frac {e^{\left (\frac {x^{5} + 15 \, x^{3} + 30 \, x^{2} + 2}{15 \, x^{2}}\right )}}{x^{2}} \]
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Time = 10.79 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.86 \[ \int \frac {e^{\frac {2+30 x^2+15 x^3+x^5}{15 x^2}} \left (-4-30 x^2+15 x^3+3 x^5\right )}{15 x^5} \, dx=\frac {{\mathrm {e}}^{x+\frac {2}{15\,x^2}+\frac {x^3}{15}+2}}{x^2} \]
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