Integrand size = 39, antiderivative size = 14 \[ \int \frac {-2 e^{2 x}+e^{2 x} (-4+2 x) \log (2-x)}{(-2+x) \log ^3(2-x)} \, dx=\frac {e^{2 x}}{\log ^2(2-x)} \]
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Leaf count is larger than twice the leaf count of optimal. \(39\) vs. \(2(14)=28\).
Time = 0.20 (sec) , antiderivative size = 39, normalized size of antiderivative = 2.79, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {6873, 12, 2326} \[ \int \frac {-2 e^{2 x}+e^{2 x} (-4+2 x) \log (2-x)}{(-2+x) \log ^3(2-x)} \, dx=\frac {e^{2 x} (2 \log (2-x)-x \log (2-x))}{(2-x) \log ^3(2-x)} \]
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Rule 12
Rule 2326
Rule 6873
Rubi steps \begin{align*} \text {integral}& = \int \frac {2 e^{2 x} (1+2 \log (2-x)-x \log (2-x))}{(2-x) \log ^3(2-x)} \, dx \\ & = 2 \int \frac {e^{2 x} (1+2 \log (2-x)-x \log (2-x))}{(2-x) \log ^3(2-x)} \, dx \\ & = \frac {e^{2 x} (2 \log (2-x)-x \log (2-x))}{(2-x) \log ^3(2-x)} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00 \[ \int \frac {-2 e^{2 x}+e^{2 x} (-4+2 x) \log (2-x)}{(-2+x) \log ^3(2-x)} \, dx=\frac {e^{2 x}}{\log ^2(2-x)} \]
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Time = 0.19 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00
method | result | size |
risch | \(\frac {{\mathrm e}^{2 x}}{\ln \left (2-x \right )^{2}}\) | \(14\) |
parallelrisch | \(\frac {{\mathrm e}^{2 x}}{\ln \left (2-x \right )^{2}}\) | \(14\) |
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Time = 0.24 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.93 \[ \int \frac {-2 e^{2 x}+e^{2 x} (-4+2 x) \log (2-x)}{(-2+x) \log ^3(2-x)} \, dx=\frac {e^{\left (2 \, x\right )}}{\log \left (-x + 2\right )^{2}} \]
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Time = 0.07 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.71 \[ \int \frac {-2 e^{2 x}+e^{2 x} (-4+2 x) \log (2-x)}{(-2+x) \log ^3(2-x)} \, dx=\frac {e^{2 x}}{\log {\left (2 - x \right )}^{2}} \]
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Time = 0.22 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.93 \[ \int \frac {-2 e^{2 x}+e^{2 x} (-4+2 x) \log (2-x)}{(-2+x) \log ^3(2-x)} \, dx=\frac {e^{\left (2 \, x\right )}}{\log \left (-x + 2\right )^{2}} \]
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Time = 0.28 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.93 \[ \int \frac {-2 e^{2 x}+e^{2 x} (-4+2 x) \log (2-x)}{(-2+x) \log ^3(2-x)} \, dx=\frac {e^{\left (2 \, x\right )}}{\log \left (-x + 2\right )^{2}} \]
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Time = 7.69 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.93 \[ \int \frac {-2 e^{2 x}+e^{2 x} (-4+2 x) \log (2-x)}{(-2+x) \log ^3(2-x)} \, dx=\frac {{\mathrm {e}}^{2\,x}}{{\ln \left (2-x\right )}^2} \]
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