Integrand size = 14, antiderivative size = 286 \[ \int \left (b \tan ^3(e+f x)\right )^{3/2} \, dx=-\frac {2 b \sqrt {b \tan ^3(e+f x)}}{3 f}-\frac {b \arctan \left (1-\sqrt {2} \sqrt {\tan (e+f x)}\right ) \sqrt {b \tan ^3(e+f x)}}{\sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}+\frac {b \arctan \left (1+\sqrt {2} \sqrt {\tan (e+f x)}\right ) \sqrt {b \tan ^3(e+f x)}}{\sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}+\frac {b \log \left (1-\sqrt {2} \sqrt {\tan (e+f x)}+\tan (e+f x)\right ) \sqrt {b \tan ^3(e+f x)}}{2 \sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}-\frac {b \log \left (1+\sqrt {2} \sqrt {\tan (e+f x)}+\tan (e+f x)\right ) \sqrt {b \tan ^3(e+f x)}}{2 \sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}+\frac {2 b \tan ^2(e+f x) \sqrt {b \tan ^3(e+f x)}}{7 f} \]
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Time = 0.15 (sec) , antiderivative size = 286, normalized size of antiderivative = 1.00, number of steps used = 14, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.714, Rules used = {3739, 3554, 3557, 335, 303, 1176, 631, 210, 1179, 642} \[ \int \left (b \tan ^3(e+f x)\right )^{3/2} \, dx=-\frac {b \arctan \left (1-\sqrt {2} \sqrt {\tan (e+f x)}\right ) \sqrt {b \tan ^3(e+f x)}}{\sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}+\frac {b \arctan \left (\sqrt {2} \sqrt {\tan (e+f x)}+1\right ) \sqrt {b \tan ^3(e+f x)}}{\sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}-\frac {2 b \sqrt {b \tan ^3(e+f x)}}{3 f}+\frac {2 b \tan ^2(e+f x) \sqrt {b \tan ^3(e+f x)}}{7 f}+\frac {b \sqrt {b \tan ^3(e+f x)} \log \left (\tan (e+f x)-\sqrt {2} \sqrt {\tan (e+f x)}+1\right )}{2 \sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}-\frac {b \sqrt {b \tan ^3(e+f x)} \log \left (\tan (e+f x)+\sqrt {2} \sqrt {\tan (e+f x)}+1\right )}{2 \sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)} \]
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Rule 210
Rule 303
Rule 335
Rule 631
Rule 642
Rule 1176
Rule 1179
Rule 3554
Rule 3557
Rule 3739
Rubi steps \begin{align*} \text {integral}& = \frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \int \tan ^{\frac {9}{2}}(e+f x) \, dx}{\tan ^{\frac {3}{2}}(e+f x)} \\ & = \frac {2 b \tan ^2(e+f x) \sqrt {b \tan ^3(e+f x)}}{7 f}-\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \int \tan ^{\frac {5}{2}}(e+f x) \, dx}{\tan ^{\frac {3}{2}}(e+f x)} \\ & = -\frac {2 b \sqrt {b \tan ^3(e+f x)}}{3 f}+\frac {2 b \tan ^2(e+f x) \sqrt {b \tan ^3(e+f x)}}{7 f}+\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \int \sqrt {\tan (e+f x)} \, dx}{\tan ^{\frac {3}{2}}(e+f x)} \\ & = -\frac {2 b \sqrt {b \tan ^3(e+f x)}}{3 f}+\frac {2 b \tan ^2(e+f x) \sqrt {b \tan ^3(e+f x)}}{7 f}+\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \text {Subst}\left (\int \frac {\sqrt {x}}{1+x^2} \, dx,x,\tan (e+f x)\right )}{f \tan ^{\frac {3}{2}}(e+f x)} \\ & = -\frac {2 b \sqrt {b \tan ^3(e+f x)}}{3 f}+\frac {2 b \tan ^2(e+f x) \sqrt {b \tan ^3(e+f x)}}{7 f}+\frac {\left (2 b \sqrt {b \tan ^3(e+f x)}\right ) \text {Subst}\left (\int \frac {x^2}{1+x^4} \, dx,x,\sqrt {\tan (e+f x)}\right )}{f \tan ^{\frac {3}{2}}(e+f x)} \\ & = -\frac {2 b \sqrt {b \tan ^3(e+f x)}}{3 f}+\frac {2 b \tan ^2(e+f x) \sqrt {b \tan ^3(e+f x)}}{7 f}-\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \text {Subst}\left (\int \frac {1-x^2}{1+x^4} \, dx,x,\sqrt {\tan (e+f x)}\right )}{f \tan ^{\frac {3}{2}}(e+f x)}+\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \text {Subst}\left (\int \frac {1+x^2}{1+x^4} \, dx,x,\sqrt {\tan (e+f x)}\right )}{f \tan ^{\frac {3}{2}}(e+f x)} \\ & = -\frac {2 b \sqrt {b \tan ^3(e+f x)}}{3 f}+\frac {2 b \tan ^2(e+f x) \sqrt {b \tan ^3(e+f x)}}{7 f}+\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \text {Subst}\left (\int \frac {1}{1-\sqrt {2} x+x^2} \, dx,x,\sqrt {\tan (e+f x)}\right )}{2 f \tan ^{\frac {3}{2}}(e+f x)}+\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \text {Subst}\left (\int \frac {1}{1+\sqrt {2} x+x^2} \, dx,x,\sqrt {\tan (e+f x)}\right )}{2 f \tan ^{\frac {3}{2}}(e+f x)}+\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \text {Subst}\left (\int \frac {\sqrt {2}+2 x}{-1-\sqrt {2} x-x^2} \, dx,x,\sqrt {\tan (e+f x)}\right )}{2 \sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}+\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \text {Subst}\left (\int \frac {\sqrt {2}-2 x}{-1+\sqrt {2} x-x^2} \, dx,x,\sqrt {\tan (e+f x)}\right )}{2 \sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)} \\ & = -\frac {2 b \sqrt {b \tan ^3(e+f x)}}{3 f}+\frac {b \log \left (1-\sqrt {2} \sqrt {\tan (e+f x)}+\tan (e+f x)\right ) \sqrt {b \tan ^3(e+f x)}}{2 \sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}-\frac {b \log \left (1+\sqrt {2} \sqrt {\tan (e+f x)}+\tan (e+f x)\right ) \sqrt {b \tan ^3(e+f x)}}{2 \sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}+\frac {2 b \tan ^2(e+f x) \sqrt {b \tan ^3(e+f x)}}{7 f}+\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\sqrt {2} \sqrt {\tan (e+f x)}\right )}{\sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}-\frac {\left (b \sqrt {b \tan ^3(e+f x)}\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\sqrt {2} \sqrt {\tan (e+f x)}\right )}{\sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)} \\ & = -\frac {2 b \sqrt {b \tan ^3(e+f x)}}{3 f}-\frac {b \arctan \left (1-\sqrt {2} \sqrt {\tan (e+f x)}\right ) \sqrt {b \tan ^3(e+f x)}}{\sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}+\frac {b \arctan \left (1+\sqrt {2} \sqrt {\tan (e+f x)}\right ) \sqrt {b \tan ^3(e+f x)}}{\sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}+\frac {b \log \left (1-\sqrt {2} \sqrt {\tan (e+f x)}+\tan (e+f x)\right ) \sqrt {b \tan ^3(e+f x)}}{2 \sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}-\frac {b \log \left (1+\sqrt {2} \sqrt {\tan (e+f x)}+\tan (e+f x)\right ) \sqrt {b \tan ^3(e+f x)}}{2 \sqrt {2} f \tan ^{\frac {3}{2}}(e+f x)}+\frac {2 b \tan ^2(e+f x) \sqrt {b \tan ^3(e+f x)}}{7 f} \\ \end{align*}
Time = 0.74 (sec) , antiderivative size = 115, normalized size of antiderivative = 0.40 \[ \int \left (b \tan ^3(e+f x)\right )^{3/2} \, dx=\frac {b \sqrt {b \tan ^3(e+f x)} \left (21 \arctan \left (\sqrt [4]{-\tan ^2(e+f x)}\right ) \sqrt [4]{-\tan (e+f x)}-21 \text {arctanh}\left (\sqrt [4]{-\tan ^2(e+f x)}\right ) \sqrt [4]{-\tan (e+f x)}+2 \tan ^{\frac {7}{4}}(e+f x) \left (-7+3 \tan ^2(e+f x)\right )\right )}{21 f \tan ^{\frac {7}{4}}(e+f x)} \]
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Time = 0.04 (sec) , antiderivative size = 236, normalized size of antiderivative = 0.83
method | result | size |
derivativedivides | \(\frac {\left (b \tan \left (f x +e \right )^{3}\right )^{\frac {3}{2}} \left (24 \left (b \tan \left (f x +e \right )\right )^{\frac {7}{2}} \left (b^{2}\right )^{\frac {1}{4}}-56 b^{2} \left (b \tan \left (f x +e \right )\right )^{\frac {3}{2}} \left (b^{2}\right )^{\frac {1}{4}}+21 b^{4} \sqrt {2}\, \ln \left (-\frac {\left (b^{2}\right )^{\frac {1}{4}} \sqrt {b \tan \left (f x +e \right )}\, \sqrt {2}-b \tan \left (f x +e \right )-\sqrt {b^{2}}}{b \tan \left (f x +e \right )+\left (b^{2}\right )^{\frac {1}{4}} \sqrt {b \tan \left (f x +e \right )}\, \sqrt {2}+\sqrt {b^{2}}}\right )+42 b^{4} \sqrt {2}\, \arctan \left (\frac {\sqrt {2}\, \sqrt {b \tan \left (f x +e \right )}+\left (b^{2}\right )^{\frac {1}{4}}}{\left (b^{2}\right )^{\frac {1}{4}}}\right )+42 b^{4} \sqrt {2}\, \arctan \left (\frac {\sqrt {2}\, \sqrt {b \tan \left (f x +e \right )}-\left (b^{2}\right )^{\frac {1}{4}}}{\left (b^{2}\right )^{\frac {1}{4}}}\right )\right )}{84 f \tan \left (f x +e \right )^{3} \left (b \tan \left (f x +e \right )\right )^{\frac {3}{2}} b^{2} \left (b^{2}\right )^{\frac {1}{4}}}\) | \(236\) |
default | \(\frac {\left (b \tan \left (f x +e \right )^{3}\right )^{\frac {3}{2}} \left (24 \left (b \tan \left (f x +e \right )\right )^{\frac {7}{2}} \left (b^{2}\right )^{\frac {1}{4}}-56 b^{2} \left (b \tan \left (f x +e \right )\right )^{\frac {3}{2}} \left (b^{2}\right )^{\frac {1}{4}}+21 b^{4} \sqrt {2}\, \ln \left (-\frac {\left (b^{2}\right )^{\frac {1}{4}} \sqrt {b \tan \left (f x +e \right )}\, \sqrt {2}-b \tan \left (f x +e \right )-\sqrt {b^{2}}}{b \tan \left (f x +e \right )+\left (b^{2}\right )^{\frac {1}{4}} \sqrt {b \tan \left (f x +e \right )}\, \sqrt {2}+\sqrt {b^{2}}}\right )+42 b^{4} \sqrt {2}\, \arctan \left (\frac {\sqrt {2}\, \sqrt {b \tan \left (f x +e \right )}+\left (b^{2}\right )^{\frac {1}{4}}}{\left (b^{2}\right )^{\frac {1}{4}}}\right )+42 b^{4} \sqrt {2}\, \arctan \left (\frac {\sqrt {2}\, \sqrt {b \tan \left (f x +e \right )}-\left (b^{2}\right )^{\frac {1}{4}}}{\left (b^{2}\right )^{\frac {1}{4}}}\right )\right )}{84 f \tan \left (f x +e \right )^{3} \left (b \tan \left (f x +e \right )\right )^{\frac {3}{2}} b^{2} \left (b^{2}\right )^{\frac {1}{4}}}\) | \(236\) |
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Result contains complex when optimal does not.
Time = 0.28 (sec) , antiderivative size = 279, normalized size of antiderivative = 0.98 \[ \int \left (b \tan ^3(e+f x)\right )^{3/2} \, dx=\frac {21 \, \left (-\frac {b^{6}}{f^{4}}\right )^{\frac {1}{4}} f \log \left (\frac {\left (-\frac {b^{6}}{f^{4}}\right )^{\frac {3}{4}} f^{3} \tan \left (f x + e\right ) + \sqrt {b \tan \left (f x + e\right )^{3}} b^{4}}{\tan \left (f x + e\right )}\right ) - 21 \, \left (-\frac {b^{6}}{f^{4}}\right )^{\frac {1}{4}} f \log \left (-\frac {\left (-\frac {b^{6}}{f^{4}}\right )^{\frac {3}{4}} f^{3} \tan \left (f x + e\right ) - \sqrt {b \tan \left (f x + e\right )^{3}} b^{4}}{\tan \left (f x + e\right )}\right ) - 21 i \, \left (-\frac {b^{6}}{f^{4}}\right )^{\frac {1}{4}} f \log \left (\frac {i \, \left (-\frac {b^{6}}{f^{4}}\right )^{\frac {3}{4}} f^{3} \tan \left (f x + e\right ) + \sqrt {b \tan \left (f x + e\right )^{3}} b^{4}}{\tan \left (f x + e\right )}\right ) + 21 i \, \left (-\frac {b^{6}}{f^{4}}\right )^{\frac {1}{4}} f \log \left (\frac {-i \, \left (-\frac {b^{6}}{f^{4}}\right )^{\frac {3}{4}} f^{3} \tan \left (f x + e\right ) + \sqrt {b \tan \left (f x + e\right )^{3}} b^{4}}{\tan \left (f x + e\right )}\right ) + 4 \, \sqrt {b \tan \left (f x + e\right )^{3}} {\left (3 \, b \tan \left (f x + e\right )^{2} - 7 \, b\right )}}{42 \, f} \]
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\[ \int \left (b \tan ^3(e+f x)\right )^{3/2} \, dx=\int \left (b \tan ^{3}{\left (e + f x \right )}\right )^{\frac {3}{2}}\, dx \]
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Time = 0.35 (sec) , antiderivative size = 140, normalized size of antiderivative = 0.49 \[ \int \left (b \tan ^3(e+f x)\right )^{3/2} \, dx=\frac {24 \, b^{\frac {3}{2}} \tan \left (f x + e\right )^{\frac {7}{2}} - 56 \, b^{\frac {3}{2}} \tan \left (f x + e\right )^{\frac {3}{2}} + 21 \, {\left (2 \, \sqrt {2} \arctan \left (\frac {1}{2} \, \sqrt {2} {\left (\sqrt {2} + 2 \, \sqrt {\tan \left (f x + e\right )}\right )}\right ) + 2 \, \sqrt {2} \arctan \left (-\frac {1}{2} \, \sqrt {2} {\left (\sqrt {2} - 2 \, \sqrt {\tan \left (f x + e\right )}\right )}\right ) - \sqrt {2} \log \left (\sqrt {2} \sqrt {\tan \left (f x + e\right )} + \tan \left (f x + e\right ) + 1\right ) + \sqrt {2} \log \left (-\sqrt {2} \sqrt {\tan \left (f x + e\right )} + \tan \left (f x + e\right ) + 1\right )\right )} b^{\frac {3}{2}}}{84 \, f} \]
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Time = 0.36 (sec) , antiderivative size = 253, normalized size of antiderivative = 0.88 \[ \int \left (b \tan ^3(e+f x)\right )^{3/2} \, dx=\frac {1}{84} \, b {\left (\frac {42 \, \sqrt {2} {\left | b \right |}^{\frac {3}{2}} \arctan \left (\frac {\sqrt {2} {\left (\sqrt {2} \sqrt {{\left | b \right |}} + 2 \, \sqrt {b \tan \left (f x + e\right )}\right )}}{2 \, \sqrt {{\left | b \right |}}}\right )}{b f} + \frac {42 \, \sqrt {2} {\left | b \right |}^{\frac {3}{2}} \arctan \left (-\frac {\sqrt {2} {\left (\sqrt {2} \sqrt {{\left | b \right |}} - 2 \, \sqrt {b \tan \left (f x + e\right )}\right )}}{2 \, \sqrt {{\left | b \right |}}}\right )}{b f} - \frac {21 \, \sqrt {2} {\left | b \right |}^{\frac {3}{2}} \log \left (b \tan \left (f x + e\right ) + \sqrt {2} \sqrt {b \tan \left (f x + e\right )} \sqrt {{\left | b \right |}} + {\left | b \right |}\right )}{b f} + \frac {21 \, \sqrt {2} {\left | b \right |}^{\frac {3}{2}} \log \left (b \tan \left (f x + e\right ) - \sqrt {2} \sqrt {b \tan \left (f x + e\right )} \sqrt {{\left | b \right |}} + {\left | b \right |}\right )}{b f} + \frac {8 \, {\left (3 \, \sqrt {b \tan \left (f x + e\right )} b^{21} f^{6} \tan \left (f x + e\right )^{3} - 7 \, \sqrt {b \tan \left (f x + e\right )} b^{21} f^{6} \tan \left (f x + e\right )\right )}}{b^{21} f^{7}}\right )} \mathrm {sgn}\left (\tan \left (f x + e\right )\right ) \]
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Timed out. \[ \int \left (b \tan ^3(e+f x)\right )^{3/2} \, dx=\int {\left (b\,{\mathrm {tan}\left (e+f\,x\right )}^3\right )}^{3/2} \,d x \]
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