Integrand size = 25, antiderivative size = 23 \[ \int \frac {-1-e+x^2-\log \left (\frac {1}{3 e^5 x}\right )}{x^2} \, dx=\frac {e+2 x+x^2+\log \left (\frac {1}{3 e^5 x}\right )}{x} \]
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Time = 0.02 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.26, number of steps used = 5, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.080, Rules used = {14, 2341} \[ \int \frac {-1-e+x^2-\log \left (\frac {1}{3 e^5 x}\right )}{x^2} \, dx=x+\frac {1+e}{x}-\frac {1}{x}-\frac {-\log \left (\frac {1}{x}\right )+5+\log (3)}{x} \]
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Rule 14
Rule 2341
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {-1-e+x^2}{x^2}+\frac {5 \left (1+\frac {\log (3)}{5}\right )-\log \left (\frac {1}{x}\right )}{x^2}\right ) \, dx \\ & = \int \frac {-1-e+x^2}{x^2} \, dx+\int \frac {5 \left (1+\frac {\log (3)}{5}\right )-\log \left (\frac {1}{x}\right )}{x^2} \, dx \\ & = -\frac {1}{x}-\frac {5+\log (3)-\log \left (\frac {1}{x}\right )}{x}+\int \left (1+\frac {-1-e}{x^2}\right ) \, dx \\ & = -\frac {1}{x}+\frac {1+e}{x}+x-\frac {5+\log (3)-\log \left (\frac {1}{x}\right )}{x} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.17 \[ \int \frac {-1-e+x^2-\log \left (\frac {1}{3 e^5 x}\right )}{x^2} \, dx=-\frac {5}{x}+\frac {e}{x}+x-\frac {\log (3)}{x}+\frac {\log \left (\frac {1}{x}\right )}{x} \]
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Time = 0.12 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91
method | result | size |
norman | \(\frac {x^{2}+{\mathrm e}+\ln \left (\frac {{\mathrm e}^{-5}}{3 x}\right )}{x}\) | \(21\) |
parallelrisch | \(\frac {x^{2}+{\mathrm e}+\ln \left (\frac {{\mathrm e}^{-5}}{3 x}\right )}{x}\) | \(21\) |
derivativedivides | \(x +\frac {{\mathrm e}}{x}+\frac {\ln \left (\frac {{\mathrm e}^{-5}}{3 x}\right )}{x}\) | \(23\) |
default | \(x +\frac {{\mathrm e}}{x}+\frac {\ln \left (\frac {{\mathrm e}^{-5}}{3 x}\right )}{x}\) | \(23\) |
risch | \(\frac {\ln \left (\frac {{\mathrm e}^{-5}}{3 x}\right )}{x}+\frac {{\mathrm e}+x^{2}}{x}\) | \(24\) |
parts | \(\frac {\ln \left (\frac {{\mathrm e}^{-5}}{3 x}\right )}{x}-\frac {1}{x}+x +\frac {1+{\mathrm e}}{x}\) | \(30\) |
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Time = 0.31 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.78 \[ \int \frac {-1-e+x^2-\log \left (\frac {1}{3 e^5 x}\right )}{x^2} \, dx=\frac {x^{2} + e + \log \left (\frac {e^{\left (-5\right )}}{3 \, x}\right )}{x} \]
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Time = 0.06 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.74 \[ \int \frac {-1-e+x^2-\log \left (\frac {1}{3 e^5 x}\right )}{x^2} \, dx=x + \frac {\log {\left (\frac {1}{3 x e^{5}} \right )}}{x} + \frac {e}{x} \]
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Time = 0.19 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.57 \[ \int \frac {-1-e+x^2-\log \left (\frac {1}{3 e^5 x}\right )}{x^2} \, dx={\left (\frac {e^{\left (-5\right )} \log \left (\frac {e^{\left (-5\right )}}{3 \, x}\right )}{x} - \frac {e^{\left (-5\right )}}{x}\right )} e^{5} + x + \frac {e}{x} + \frac {1}{x} \]
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Time = 0.27 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {-1-e+x^2-\log \left (\frac {1}{3 e^5 x}\right )}{x^2} \, dx=x {\left (\frac {e}{x^{2}} - \frac {\log \left (3 \, x e^{5}\right )}{x^{2}} + 1\right )} \]
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Time = 13.04 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.74 \[ \int \frac {-1-e+x^2-\log \left (\frac {1}{3 e^5 x}\right )}{x^2} \, dx=x+\frac {\ln \left (\frac {{\mathrm {e}}^{-5}}{3\,x}\right )+\mathrm {e}}{x} \]
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