Integrand size = 15, antiderivative size = 27 \[ \int \frac {e^{2 x}}{\sqrt [4]{1+e^x}} \, dx=-\frac {4}{3} \left (1+e^x\right )^{3/4}+\frac {4}{7} \left (1+e^x\right )^{7/4} \]
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Time = 0.02 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {2280, 45} \[ \int \frac {e^{2 x}}{\sqrt [4]{1+e^x}} \, dx=\frac {4}{7} \left (e^x+1\right )^{7/4}-\frac {4}{3} \left (e^x+1\right )^{3/4} \]
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Rule 45
Rule 2280
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \frac {x}{\sqrt [4]{1+x}} \, dx,x,e^x\right ) \\ & = \text {Subst}\left (\int \left (-\frac {1}{\sqrt [4]{1+x}}+(1+x)^{3/4}\right ) \, dx,x,e^x\right ) \\ & = -\frac {4}{3} \left (1+e^x\right )^{3/4}+\frac {4}{7} \left (1+e^x\right )^{7/4} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.81 \[ \int \frac {e^{2 x}}{\sqrt [4]{1+e^x}} \, dx=\frac {4}{21} \left (1+e^x\right )^{3/4} \left (-7+3 \left (1+e^x\right )\right ) \]
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Time = 0.04 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.56
method | result | size |
risch | \(\frac {4 \left (-4+3 \,{\mathrm e}^{x}\right ) \left (1+{\mathrm e}^{x}\right )^{\frac {3}{4}}}{21}\) | \(15\) |
default | \(-\frac {4 \left (1+{\mathrm e}^{x}\right )^{\frac {3}{4}}}{3}+\frac {4 \left (1+{\mathrm e}^{x}\right )^{\frac {7}{4}}}{7}\) | \(18\) |
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Time = 0.29 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.52 \[ \int \frac {e^{2 x}}{\sqrt [4]{1+e^x}} \, dx=\frac {4}{21} \, {\left (3 \, e^{x} - 4\right )} {\left (e^{x} + 1\right )}^{\frac {3}{4}} \]
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Time = 0.48 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.81 \[ \int \frac {e^{2 x}}{\sqrt [4]{1+e^x}} \, dx=\frac {4 \left (e^{x} + 1\right )^{\frac {7}{4}}}{7} - \frac {4 \left (e^{x} + 1\right )^{\frac {3}{4}}}{3} \]
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none
Time = 0.19 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.63 \[ \int \frac {e^{2 x}}{\sqrt [4]{1+e^x}} \, dx=\frac {4}{7} \, {\left (e^{x} + 1\right )}^{\frac {7}{4}} - \frac {4}{3} \, {\left (e^{x} + 1\right )}^{\frac {3}{4}} \]
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none
Time = 0.29 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.63 \[ \int \frac {e^{2 x}}{\sqrt [4]{1+e^x}} \, dx=\frac {4}{7} \, {\left (e^{x} + 1\right )}^{\frac {7}{4}} - \frac {4}{3} \, {\left (e^{x} + 1\right )}^{\frac {3}{4}} \]
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Time = 0.27 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.52 \[ \int \frac {e^{2 x}}{\sqrt [4]{1+e^x}} \, dx=\frac {4\,{\left ({\mathrm {e}}^x+1\right )}^{3/4}\,\left (3\,{\mathrm {e}}^x-4\right )}{21} \]
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