Optimal. Leaf size=125 \[ \frac{(a-3 b) (a+b) \tan ^{-1}\left (\frac{\sqrt{b} \cos (e+f x)}{\sqrt{a-b \cos ^2(e+f x)+b}}\right )}{8 b^{3/2} f}-\frac{\cos (e+f x) \left (a-b \cos ^2(e+f x)+b\right )^{3/2}}{4 b f}+\frac{(a-3 b) \cos (e+f x) \sqrt{a-b \cos ^2(e+f x)+b}}{8 b f} \]
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Rubi [A] time = 0.128017, antiderivative size = 125, 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 = {3186, 388, 195, 217, 203} \[ \frac{(a-3 b) (a+b) \tan ^{-1}\left (\frac{\sqrt{b} \cos (e+f x)}{\sqrt{a-b \cos ^2(e+f x)+b}}\right )}{8 b^{3/2} f}-\frac{\cos (e+f x) \left (a-b \cos ^2(e+f x)+b\right )^{3/2}}{4 b f}+\frac{(a-3 b) \cos (e+f x) \sqrt{a-b \cos ^2(e+f x)+b}}{8 b f} \]
Antiderivative was successfully verified.
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Rule 3186
Rule 388
Rule 195
Rule 217
Rule 203
Rubi steps
\begin{align*} \int \sin ^3(e+f x) \sqrt{a+b \sin ^2(e+f x)} \, dx &=-\frac{\operatorname{Subst}\left (\int \left (1-x^2\right ) \sqrt{a+b-b x^2} \, dx,x,\cos (e+f x)\right )}{f}\\ &=-\frac{\cos (e+f x) \left (a+b-b \cos ^2(e+f x)\right )^{3/2}}{4 b f}+\frac{(a-3 b) \operatorname{Subst}\left (\int \sqrt{a+b-b x^2} \, dx,x,\cos (e+f x)\right )}{4 b f}\\ &=\frac{(a-3 b) \cos (e+f x) \sqrt{a+b-b \cos ^2(e+f x)}}{8 b f}-\frac{\cos (e+f x) \left (a+b-b \cos ^2(e+f x)\right )^{3/2}}{4 b f}+\frac{((a-3 b) (a+b)) \operatorname{Subst}\left (\int \frac{1}{\sqrt{a+b-b x^2}} \, dx,x,\cos (e+f x)\right )}{8 b f}\\ &=\frac{(a-3 b) \cos (e+f x) \sqrt{a+b-b \cos ^2(e+f x)}}{8 b f}-\frac{\cos (e+f x) \left (a+b-b \cos ^2(e+f x)\right )^{3/2}}{4 b f}+\frac{((a-3 b) (a+b)) \operatorname{Subst}\left (\int \frac{1}{1+b x^2} \, dx,x,\frac{\cos (e+f x)}{\sqrt{a+b-b \cos ^2(e+f x)}}\right )}{8 b f}\\ &=\frac{(a-3 b) (a+b) \tan ^{-1}\left (\frac{\sqrt{b} \cos (e+f x)}{\sqrt{a+b-b \cos ^2(e+f x)}}\right )}{8 b^{3/2} f}+\frac{(a-3 b) \cos (e+f x) \sqrt{a+b-b \cos ^2(e+f x)}}{8 b f}-\frac{\cos (e+f x) \left (a+b-b \cos ^2(e+f x)\right )^{3/2}}{4 b f}\\ \end{align*}
Mathematica [A] time = 0.420037, size = 119, normalized size = 0.95 \[ \frac{\frac{\cos (e+f x) \sqrt{2 a-b \cos (2 (e+f x))+b} (-a+b \cos (2 (e+f x))-4 b)}{\sqrt{2} b}+\frac{(a+b) (3 b-a) \log \left (\sqrt{2 a-b \cos (2 (e+f x))+b}+\sqrt{2} \sqrt{-b} \cos (e+f x)\right )}{(-b)^{3/2}}}{8 f} \]
Antiderivative was successfully verified.
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Maple [B] time = 1.677, size = 311, normalized size = 2.5 \begin{align*} -{\frac{1}{16\,f\cos \left ( fx+e \right ) }\sqrt{ \left ( \cos \left ( fx+e \right ) \right ) ^{2} \left ( a+b \left ( \sin \left ( fx+e \right ) \right ) ^{2} \right ) } \left ( -4\,\sqrt{-b \left ( \cos \left ( fx+e \right ) \right ) ^{4}+ \left ( a+b \right ) \left ( \cos \left ( fx+e \right ) \right ) ^{2}}{b}^{5/2} \left ( \cos \left ( fx+e \right ) \right ) ^{2}+10\,\sqrt{-b \left ( \cos \left ( fx+e \right ) \right ) ^{4}+ \left ( a+b \right ) \left ( \cos \left ( fx+e \right ) \right ) ^{2}}{b}^{5/2}+2\,a\sqrt{-b \left ( \cos \left ( fx+e \right ) \right ) ^{4}+ \left ( a+b \right ) \left ( \cos \left ( fx+e \right ) \right ) ^{2}}{b}^{3/2}+\arctan \left ({\frac{-2\,b \left ( \cos \left ( fx+e \right ) \right ) ^{2}+a+b}{2}{\frac{1}{\sqrt{b}}}{\frac{1}{\sqrt{-b \left ( \cos \left ( fx+e \right ) \right ) ^{4}+ \left ( a+b \right ) \left ( \cos \left ( fx+e \right ) \right ) ^{2}}}}} \right ){a}^{2}b-2\,a\arctan \left ( 1/2\,{\frac{-2\,b \left ( \cos \left ( fx+e \right ) \right ) ^{2}+a+b}{\sqrt{b}\sqrt{-b \left ( \cos \left ( fx+e \right ) \right ) ^{4}+ \left ( a+b \right ) \left ( \cos \left ( fx+e \right ) \right ) ^{2}}}} \right ){b}^{2}-3\,{b}^{3}\arctan \left ( 1/2\,{\frac{-2\,b \left ( \cos \left ( fx+e \right ) \right ) ^{2}+a+b}{\sqrt{b}\sqrt{-b \left ( \cos \left ( fx+e \right ) \right ) ^{4}+ \left ( a+b \right ) \left ( \cos \left ( fx+e \right ) \right ) ^{2}}}} \right ) \right ){b}^{-{\frac{5}{2}}}{\frac{1}{\sqrt{a+b \left ( \sin \left ( fx+e \right ) \right ) ^{2}}}}} \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 [A] time = 4.63161, size = 1214, normalized size = 9.71 \begin{align*} \left [\frac{{\left (a^{2} - 2 \, a b - 3 \, b^{2}\right )} \sqrt{-b} \log \left (128 \, b^{4} \cos \left (f x + e\right )^{8} - 256 \,{\left (a b^{3} + b^{4}\right )} \cos \left (f x + e\right )^{6} + 160 \,{\left (a^{2} b^{2} + 2 \, a b^{3} + b^{4}\right )} \cos \left (f x + e\right )^{4} + a^{4} + 4 \, a^{3} b + 6 \, a^{2} b^{2} + 4 \, a b^{3} + b^{4} - 32 \,{\left (a^{3} b + 3 \, a^{2} b^{2} + 3 \, a b^{3} + b^{4}\right )} \cos \left (f x + e\right )^{2} + 8 \,{\left (16 \, b^{3} \cos \left (f x + e\right )^{7} - 24 \,{\left (a b^{2} + b^{3}\right )} \cos \left (f x + e\right )^{5} + 10 \,{\left (a^{2} b + 2 \, a b^{2} + b^{3}\right )} \cos \left (f x + e\right )^{3} -{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} \cos \left (f x + e\right )\right )} \sqrt{-b \cos \left (f x + e\right )^{2} + a + b} \sqrt{-b}\right ) + 8 \,{\left (2 \, b^{2} \cos \left (f x + e\right )^{3} -{\left (a b + 5 \, b^{2}\right )} \cos \left (f x + e\right )\right )} \sqrt{-b \cos \left (f x + e\right )^{2} + a + b}}{64 \, b^{2} f}, -\frac{{\left (a^{2} - 2 \, a b - 3 \, b^{2}\right )} \sqrt{b} \arctan \left (\frac{{\left (8 \, b^{2} \cos \left (f x + e\right )^{4} - 8 \,{\left (a b + b^{2}\right )} \cos \left (f x + e\right )^{2} + a^{2} + 2 \, a b + b^{2}\right )} \sqrt{-b \cos \left (f x + e\right )^{2} + a + b} \sqrt{b}}{4 \,{\left (2 \, b^{3} \cos \left (f x + e\right )^{5} - 3 \,{\left (a b^{2} + b^{3}\right )} \cos \left (f x + e\right )^{3} +{\left (a^{2} b + 2 \, a b^{2} + b^{3}\right )} \cos \left (f x + e\right )\right )}}\right ) - 4 \,{\left (2 \, b^{2} \cos \left (f x + e\right )^{3} -{\left (a b + 5 \, b^{2}\right )} \cos \left (f x + e\right )\right )} \sqrt{-b \cos \left (f x + e\right )^{2} + a + b}}{32 \, b^{2} f}\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 [A] time = 1.74229, size = 177, normalized size = 1.42 \begin{align*} \frac{\sqrt{-b \cos \left (f x + e\right )^{2} + a + b}{\left (2 \, \cos \left (f x + e\right )^{2} - \frac{a b f^{4} + 5 \, b^{2} f^{4}}{b^{2} f^{4}}\right )} \cos \left (f x + e\right )}{8 \, f} + \frac{{\left (a^{2} - 2 \, a b - 3 \, b^{2}\right )} \log \left ({\left | \sqrt{-b \cos \left (f x + e\right )^{2} + a + b} + \frac{\sqrt{-b f^{2}} \cos \left (f x + e\right )}{f} \right |}\right )}{8 \, \sqrt{-b} b{\left | f \right |}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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