Integrand size = 12, antiderivative size = 4 \[ \int e^x \sec \left (e^x\right ) \tan \left (e^x\right ) \, dx=\sec \left (e^x\right ) \]
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Time = 0.02 (sec) , antiderivative size = 4, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {2320, 2686, 8} \[ \int e^x \sec \left (e^x\right ) \tan \left (e^x\right ) \, dx=\sec \left (e^x\right ) \]
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Rule 8
Rule 2320
Rule 2686
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \sec (x) \tan (x) \, dx,x,e^x\right ) \\ & = \text {Subst}\left (\int 1 \, dx,x,\sec \left (e^x\right )\right ) \\ & = \sec \left (e^x\right ) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 4, normalized size of antiderivative = 1.00 \[ \int e^x \sec \left (e^x\right ) \tan \left (e^x\right ) \, dx=\sec \left (e^x\right ) \]
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Time = 0.19 (sec) , antiderivative size = 4, normalized size of antiderivative = 1.00
method | result | size |
derivativedivides | \(\sec \left ({\mathrm e}^{x}\right )\) | \(4\) |
default | \(\sec \left ({\mathrm e}^{x}\right )\) | \(4\) |
risch | \(\frac {2 \,{\mathrm e}^{i {\mathrm e}^{x}}}{{\mathrm e}^{2 i {\mathrm e}^{x}}+1}\) | \(19\) |
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none
Time = 0.23 (sec) , antiderivative size = 5, normalized size of antiderivative = 1.25 \[ \int e^x \sec \left (e^x\right ) \tan \left (e^x\right ) \, dx=\frac {1}{\cos \left (e^{x}\right )} \]
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Time = 0.17 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.75 \[ \int e^x \sec \left (e^x\right ) \tan \left (e^x\right ) \, dx=\sec {\left (e^{x} \right )} \]
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none
Time = 0.21 (sec) , antiderivative size = 5, normalized size of antiderivative = 1.25 \[ \int e^x \sec \left (e^x\right ) \tan \left (e^x\right ) \, dx=\frac {1}{\cos \left (e^{x}\right )} \]
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none
Time = 0.26 (sec) , antiderivative size = 5, normalized size of antiderivative = 1.25 \[ \int e^x \sec \left (e^x\right ) \tan \left (e^x\right ) \, dx=\frac {1}{\cos \left (e^{x}\right )} \]
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Time = 0.10 (sec) , antiderivative size = 5, normalized size of antiderivative = 1.25 \[ \int e^x \sec \left (e^x\right ) \tan \left (e^x\right ) \, dx=\frac {1}{\cos \left ({\mathrm {e}}^x\right )} \]
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