Optimal. Leaf size=100 \[ \frac{3 b \tan (e+f x) \sqrt{a+b \tan ^2(e+f x)}}{2 f}+\frac{3 a \sqrt{b} \tanh ^{-1}\left (\frac{\sqrt{b} \tan (e+f x)}{\sqrt{a+b \tan ^2(e+f x)}}\right )}{2 f}-\frac{\cot (e+f x) \left (a+b \tan ^2(e+f x)\right )^{3/2}}{f} \]
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Rubi [A] time = 0.0988543, antiderivative size = 100, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 25, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2, Rules used = {3663, 277, 195, 217, 206} \[ \frac{3 b \tan (e+f x) \sqrt{a+b \tan ^2(e+f x)}}{2 f}+\frac{3 a \sqrt{b} \tanh ^{-1}\left (\frac{\sqrt{b} \tan (e+f x)}{\sqrt{a+b \tan ^2(e+f x)}}\right )}{2 f}-\frac{\cot (e+f x) \left (a+b \tan ^2(e+f x)\right )^{3/2}}{f} \]
Antiderivative was successfully verified.
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Rule 3663
Rule 277
Rule 195
Rule 217
Rule 206
Rubi steps
\begin{align*} \int \csc ^2(e+f x) \left (a+b \tan ^2(e+f x)\right )^{3/2} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{\left (a+b x^2\right )^{3/2}}{x^2} \, dx,x,\tan (e+f x)\right )}{f}\\ &=-\frac{\cot (e+f x) \left (a+b \tan ^2(e+f x)\right )^{3/2}}{f}+\frac{(3 b) \operatorname{Subst}\left (\int \sqrt{a+b x^2} \, dx,x,\tan (e+f x)\right )}{f}\\ &=\frac{3 b \tan (e+f x) \sqrt{a+b \tan ^2(e+f x)}}{2 f}-\frac{\cot (e+f x) \left (a+b \tan ^2(e+f x)\right )^{3/2}}{f}+\frac{(3 a b) \operatorname{Subst}\left (\int \frac{1}{\sqrt{a+b x^2}} \, dx,x,\tan (e+f x)\right )}{2 f}\\ &=\frac{3 b \tan (e+f x) \sqrt{a+b \tan ^2(e+f x)}}{2 f}-\frac{\cot (e+f x) \left (a+b \tan ^2(e+f x)\right )^{3/2}}{f}+\frac{(3 a b) \operatorname{Subst}\left (\int \frac{1}{1-b x^2} \, dx,x,\frac{\tan (e+f x)}{\sqrt{a+b \tan ^2(e+f x)}}\right )}{2 f}\\ &=\frac{3 a \sqrt{b} \tanh ^{-1}\left (\frac{\sqrt{b} \tan (e+f x)}{\sqrt{a+b \tan ^2(e+f x)}}\right )}{2 f}+\frac{3 b \tan (e+f x) \sqrt{a+b \tan ^2(e+f x)}}{2 f}-\frac{\cot (e+f x) \left (a+b \tan ^2(e+f x)\right )^{3/2}}{f}\\ \end{align*}
Mathematica [C] time = 2.54962, size = 220, normalized size = 2.2 \[ \frac{\csc (e+f x) \sec ^3(e+f x) \left (3 \sqrt{2} a b \sin ^2(2 (e+f x)) \sqrt{\frac{\csc ^2(e+f x) ((a-b) \cos (2 (e+f x))+a+b)}{b}} \text{EllipticF}\left (\sin ^{-1}\left (\frac{\sqrt{\frac{\csc ^2(e+f x) ((a-b) \cos (2 (e+f x))+a+b)}{b}}}{\sqrt{2}}\right ),1\right )-4 \left (2 a^2+b^2\right ) \cos (2 (e+f x))-2 a^2 \cos (4 (e+f x))-6 a^2+a b \cos (4 (e+f x))-a b+b^2 \cos (4 (e+f x))+3 b^2\right )}{8 \sqrt{2} f \sqrt{\sec ^2(e+f x) ((a-b) \cos (2 (e+f x))+a+b)}} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.203, size = 1355, normalized size = 13.6 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 3.4078, size = 964, normalized size = 9.64 \begin{align*} \left [\frac{3 \, a \sqrt{b} \cos \left (f x + e\right ) \log \left (\frac{{\left (a^{2} - 8 \, a b + 8 \, b^{2}\right )} \cos \left (f x + e\right )^{4} + 8 \,{\left (a b - 2 \, b^{2}\right )} \cos \left (f x + e\right )^{2} + 4 \,{\left ({\left (a - 2 \, b\right )} \cos \left (f x + e\right )^{3} + 2 \, b \cos \left (f x + e\right )\right )} \sqrt{b} \sqrt{\frac{{\left (a - b\right )} \cos \left (f x + e\right )^{2} + b}{\cos \left (f x + e\right )^{2}}} \sin \left (f x + e\right ) + 8 \, b^{2}}{\cos \left (f x + e\right )^{4}}\right ) \sin \left (f x + e\right ) - 4 \,{\left ({\left (2 \, a + b\right )} \cos \left (f x + e\right )^{2} - b\right )} \sqrt{\frac{{\left (a - b\right )} \cos \left (f x + e\right )^{2} + b}{\cos \left (f x + e\right )^{2}}}}{8 \, f \cos \left (f x + e\right ) \sin \left (f x + e\right )}, -\frac{3 \, a \sqrt{-b} \arctan \left (\frac{{\left ({\left (a - 2 \, b\right )} \cos \left (f x + e\right )^{3} + 2 \, b \cos \left (f x + e\right )\right )} \sqrt{-b} \sqrt{\frac{{\left (a - b\right )} \cos \left (f x + e\right )^{2} + b}{\cos \left (f x + e\right )^{2}}}}{2 \,{\left ({\left (a b - b^{2}\right )} \cos \left (f x + e\right )^{2} + b^{2}\right )} \sin \left (f x + e\right )}\right ) \cos \left (f x + e\right ) \sin \left (f x + e\right ) + 2 \,{\left ({\left (2 \, a + b\right )} \cos \left (f x + e\right )^{2} - b\right )} \sqrt{\frac{{\left (a - b\right )} \cos \left (f x + e\right )^{2} + b}{\cos \left (f x + e\right )^{2}}}}{4 \, f \cos \left (f x + e\right ) \sin \left (f x + e\right )}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (b \tan \left (f x + e\right )^{2} + a\right )}^{\frac{3}{2}} \csc \left (f x + e\right )^{2}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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