Integrand size = 19, antiderivative size = 40 \[ \int \sec (e+f x) \left (a+b \sec ^2(e+f x)\right ) \, dx=\frac {(2 a+b) \text {arctanh}(\sin (e+f x))}{2 f}+\frac {b \sec (e+f x) \tan (e+f x)}{2 f} \]
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Time = 0.03 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {4131, 3855} \[ \int \sec (e+f x) \left (a+b \sec ^2(e+f x)\right ) \, dx=\frac {(2 a+b) \text {arctanh}(\sin (e+f x))}{2 f}+\frac {b \tan (e+f x) \sec (e+f x)}{2 f} \]
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Rule 3855
Rule 4131
Rubi steps \begin{align*} \text {integral}& = \frac {b \sec (e+f x) \tan (e+f x)}{2 f}+\frac {1}{2} (2 a+b) \int \sec (e+f x) \, dx \\ & = \frac {(2 a+b) \text {arctanh}(\sin (e+f x))}{2 f}+\frac {b \sec (e+f x) \tan (e+f x)}{2 f} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 48, normalized size of antiderivative = 1.20 \[ \int \sec (e+f x) \left (a+b \sec ^2(e+f x)\right ) \, dx=\frac {a \text {arctanh}(\sin (e+f x))}{f}+\frac {b \text {arctanh}(\sin (e+f x))}{2 f}+\frac {b \sec (e+f x) \tan (e+f x)}{2 f} \]
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Time = 0.34 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.38
method | result | size |
derivativedivides | \(\frac {a \ln \left (\sec \left (f x +e \right )+\tan \left (f x +e \right )\right )+b \left (\frac {\tan \left (f x +e \right ) \sec \left (f x +e \right )}{2}+\frac {\ln \left (\sec \left (f x +e \right )+\tan \left (f x +e \right )\right )}{2}\right )}{f}\) | \(55\) |
default | \(\frac {a \ln \left (\sec \left (f x +e \right )+\tan \left (f x +e \right )\right )+b \left (\frac {\tan \left (f x +e \right ) \sec \left (f x +e \right )}{2}+\frac {\ln \left (\sec \left (f x +e \right )+\tan \left (f x +e \right )\right )}{2}\right )}{f}\) | \(55\) |
parts | \(\frac {b \left (\frac {\tan \left (f x +e \right ) \sec \left (f x +e \right )}{2}+\frac {\ln \left (\sec \left (f x +e \right )+\tan \left (f x +e \right )\right )}{2}\right )}{f}+\frac {a \ln \left (\sec \left (f x +e \right )+\tan \left (f x +e \right )\right )}{f}\) | \(57\) |
parallelrisch | \(\frac {-\left (a +\frac {b}{2}\right ) \left (1+\cos \left (2 f x +2 e \right )\right ) \ln \left (\tan \left (\frac {f x}{2}+\frac {e}{2}\right )-1\right )+\left (a +\frac {b}{2}\right ) \left (1+\cos \left (2 f x +2 e \right )\right ) \ln \left (\tan \left (\frac {f x}{2}+\frac {e}{2}\right )+1\right )+\sin \left (f x +e \right ) b}{f \left (1+\cos \left (2 f x +2 e \right )\right )}\) | \(86\) |
norman | \(\frac {\frac {b \tan \left (\frac {f x}{2}+\frac {e}{2}\right )}{f}+\frac {b \tan \left (\frac {f x}{2}+\frac {e}{2}\right )^{3}}{f}}{\left (\tan \left (\frac {f x}{2}+\frac {e}{2}\right )^{2}-1\right )^{2}}-\frac {\left (2 a +b \right ) \ln \left (\tan \left (\frac {f x}{2}+\frac {e}{2}\right )-1\right )}{2 f}+\frac {\left (2 a +b \right ) \ln \left (\tan \left (\frac {f x}{2}+\frac {e}{2}\right )+1\right )}{2 f}\) | \(93\) |
risch | \(-\frac {i b \left ({\mathrm e}^{3 i \left (f x +e \right )}-{\mathrm e}^{i \left (f x +e \right )}\right )}{f \left ({\mathrm e}^{2 i \left (f x +e \right )}+1\right )^{2}}+\frac {\ln \left ({\mathrm e}^{i \left (f x +e \right )}+i\right ) a}{f}+\frac {\ln \left ({\mathrm e}^{i \left (f x +e \right )}+i\right ) b}{2 f}-\frac {\ln \left ({\mathrm e}^{i \left (f x +e \right )}-i\right ) a}{f}-\frac {\ln \left ({\mathrm e}^{i \left (f x +e \right )}-i\right ) b}{2 f}\) | \(118\) |
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Time = 0.25 (sec) , antiderivative size = 72, normalized size of antiderivative = 1.80 \[ \int \sec (e+f x) \left (a+b \sec ^2(e+f x)\right ) \, dx=\frac {{\left (2 \, a + b\right )} \cos \left (f x + e\right )^{2} \log \left (\sin \left (f x + e\right ) + 1\right ) - {\left (2 \, a + b\right )} \cos \left (f x + e\right )^{2} \log \left (-\sin \left (f x + e\right ) + 1\right ) + 2 \, b \sin \left (f x + e\right )}{4 \, f \cos \left (f x + e\right )^{2}} \]
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\[ \int \sec (e+f x) \left (a+b \sec ^2(e+f x)\right ) \, dx=\int \left (a + b \sec ^{2}{\left (e + f x \right )}\right ) \sec {\left (e + f x \right )}\, dx \]
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Time = 0.19 (sec) , antiderivative size = 58, normalized size of antiderivative = 1.45 \[ \int \sec (e+f x) \left (a+b \sec ^2(e+f x)\right ) \, dx=\frac {{\left (2 \, a + b\right )} \log \left (\sin \left (f x + e\right ) + 1\right ) - {\left (2 \, a + b\right )} \log \left (\sin \left (f x + e\right ) - 1\right ) - \frac {2 \, b \sin \left (f x + e\right )}{\sin \left (f x + e\right )^{2} - 1}}{4 \, f} \]
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Time = 0.28 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.50 \[ \int \sec (e+f x) \left (a+b \sec ^2(e+f x)\right ) \, dx=\frac {{\left (2 \, a + b\right )} \log \left ({\left | \sin \left (f x + e\right ) + 1 \right |}\right ) - {\left (2 \, a + b\right )} \log \left ({\left | \sin \left (f x + e\right ) - 1 \right |}\right ) - \frac {2 \, b \sin \left (f x + e\right )}{\sin \left (f x + e\right )^{2} - 1}}{4 \, f} \]
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Time = 18.46 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.02 \[ \int \sec (e+f x) \left (a+b \sec ^2(e+f x)\right ) \, dx=\frac {\mathrm {atanh}\left (\sin \left (e+f\,x\right )\right )\,\left (a+\frac {b}{2}\right )}{f}-\frac {b\,\sin \left (e+f\,x\right )}{2\,f\,\left ({\sin \left (e+f\,x\right )}^2-1\right )} \]
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