Optimal. Leaf size=147 \[ -\frac{(3 a-4 b) (a+b) \tan (e+f x)}{8 a^2 b^2 f \left (a+b \tan ^2(e+f x)+b\right )}+\frac{\sqrt{a+b} \left (3 a^2-4 a b+8 b^2\right ) \tan ^{-1}\left (\frac{\sqrt{b} \tan (e+f x)}{\sqrt{a+b}}\right )}{8 a^3 b^{5/2} f}-\frac{x}{a^3}-\frac{(a+b) \tan ^3(e+f x)}{4 a b f \left (a+b \tan ^2(e+f x)+b\right )^2} \]
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Rubi [A] time = 0.292408, antiderivative size = 147, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 7, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.304, Rules used = {4141, 1975, 470, 578, 522, 203, 205} \[ -\frac{(3 a-4 b) (a+b) \tan (e+f x)}{8 a^2 b^2 f \left (a+b \tan ^2(e+f x)+b\right )}+\frac{\sqrt{a+b} \left (3 a^2-4 a b+8 b^2\right ) \tan ^{-1}\left (\frac{\sqrt{b} \tan (e+f x)}{\sqrt{a+b}}\right )}{8 a^3 b^{5/2} f}-\frac{x}{a^3}-\frac{(a+b) \tan ^3(e+f x)}{4 a b f \left (a+b \tan ^2(e+f x)+b\right )^2} \]
Antiderivative was successfully verified.
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Rule 4141
Rule 1975
Rule 470
Rule 578
Rule 522
Rule 203
Rule 205
Rubi steps
\begin{align*} \int \frac{\tan ^6(e+f x)}{\left (a+b \sec ^2(e+f x)\right )^3} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{x^6}{\left (1+x^2\right ) \left (a+b \left (1+x^2\right )\right )^3} \, dx,x,\tan (e+f x)\right )}{f}\\ &=\frac{\operatorname{Subst}\left (\int \frac{x^6}{\left (1+x^2\right ) \left (a+b+b x^2\right )^3} \, dx,x,\tan (e+f x)\right )}{f}\\ &=-\frac{(a+b) \tan ^3(e+f x)}{4 a b f \left (a+b+b \tan ^2(e+f x)\right )^2}+\frac{\operatorname{Subst}\left (\int \frac{x^2 \left (3 (a+b)+(3 a-b) x^2\right )}{\left (1+x^2\right ) \left (a+b+b x^2\right )^2} \, dx,x,\tan (e+f x)\right )}{4 a b f}\\ &=-\frac{(a+b) \tan ^3(e+f x)}{4 a b f \left (a+b+b \tan ^2(e+f x)\right )^2}-\frac{(3 a-4 b) (a+b) \tan (e+f x)}{8 a^2 b^2 f \left (a+b+b \tan ^2(e+f x)\right )}-\frac{\operatorname{Subst}\left (\int \frac{-(3 a-4 b) (a+b)+\left (-3 a^2+a b-4 b^2\right ) x^2}{\left (1+x^2\right ) \left (a+b+b x^2\right )} \, dx,x,\tan (e+f x)\right )}{8 a^2 b^2 f}\\ &=-\frac{(a+b) \tan ^3(e+f x)}{4 a b f \left (a+b+b \tan ^2(e+f x)\right )^2}-\frac{(3 a-4 b) (a+b) \tan (e+f x)}{8 a^2 b^2 f \left (a+b+b \tan ^2(e+f x)\right )}-\frac{\operatorname{Subst}\left (\int \frac{1}{1+x^2} \, dx,x,\tan (e+f x)\right )}{a^3 f}+\frac{\left ((a+b) \left (3 a^2-4 a b+8 b^2\right )\right ) \operatorname{Subst}\left (\int \frac{1}{a+b+b x^2} \, dx,x,\tan (e+f x)\right )}{8 a^3 b^2 f}\\ &=-\frac{x}{a^3}+\frac{\sqrt{a+b} \left (3 a^2-4 a b+8 b^2\right ) \tan ^{-1}\left (\frac{\sqrt{b} \tan (e+f x)}{\sqrt{a+b}}\right )}{8 a^3 b^{5/2} f}-\frac{(a+b) \tan ^3(e+f x)}{4 a b f \left (a+b+b \tan ^2(e+f x)\right )^2}-\frac{(3 a-4 b) (a+b) \tan (e+f x)}{8 a^2 b^2 f \left (a+b+b \tan ^2(e+f x)\right )}\\ \end{align*}
Mathematica [C] time = 6.52417, size = 760, normalized size = 5.17 \[ \frac{\sec (2 e) \sec ^6(e+f x) (a \cos (2 e+2 f x)+a+2 b) \left (-20 a^2 b^2 \sin (4 e+2 f x)+6 a^2 b^2 \sin (2 e+4 f x)-24 a^2 b^2 f x \cos (2 e)-16 a^2 b^2 f x \cos (4 e+2 f x)-4 a^2 b^2 f x \cos (2 e+4 f x)-4 a^2 b^2 f x \cos (6 e+4 f x)-18 a^2 b^2 \sin (2 e)+28 a^2 b^2 \sin (2 f x)-16 a^2 b^2 f x \cos (2 f x)-a^3 b \sin (4 e+2 f x)+3 a^3 b \sin (2 e+4 f x)+15 a^3 b \sin (2 e)-13 a^3 b \sin (2 f x)+3 a^4 \sin (4 e+2 f x)-3 a^4 \sin (2 e+4 f x)+9 a^4 \sin (2 e)-9 a^4 \sin (2 f x)-16 a b^3 \sin (4 e+2 f x)-64 a b^3 f x \cos (2 e)-32 a b^3 f x \cos (4 e+2 f x)-72 a b^3 \sin (2 e)+32 a b^3 \sin (2 f x)-32 a b^3 f x \cos (2 f x)-64 b^4 f x \cos (2 e)-48 b^4 \sin (2 e)\right )}{128 a^3 b^2 f \left (a+b \sec ^2(e+f x)\right )^3}+\frac{\left (a^2 b-3 a^3-4 a b^2-8 b^3\right ) \sec ^6(e+f x) (a \cos (2 e+2 f x)+a+2 b)^3 \left (\frac{\cos (2 e) \tan ^{-1}\left (\sec (f x) \left (\frac{\cos (2 e)}{2 \sqrt{a+b} \sqrt{b \cos (4 e)-i b \sin (4 e)}}-\frac{i \sin (2 e)}{2 \sqrt{a+b} \sqrt{b \cos (4 e)-i b \sin (4 e)}}\right ) (a \sin (2 e+f x)-a \sin (f x)-2 b \sin (f x))\right )}{64 a^3 b^2 f \sqrt{a+b} \sqrt{b \cos (4 e)-i b \sin (4 e)}}-\frac{i \sin (2 e) \tan ^{-1}\left (\sec (f x) \left (\frac{\cos (2 e)}{2 \sqrt{a+b} \sqrt{b \cos (4 e)-i b \sin (4 e)}}-\frac{i \sin (2 e)}{2 \sqrt{a+b} \sqrt{b \cos (4 e)-i b \sin (4 e)}}\right ) (a \sin (2 e+f x)-a \sin (f x)-2 b \sin (f x))\right )}{64 a^3 b^2 f \sqrt{a+b} \sqrt{b \cos (4 e)-i b \sin (4 e)}}\right )}{\left (a+b \sec ^2(e+f x)\right )^3} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.106, size = 356, normalized size = 2.4 \begin{align*} -{\frac{\arctan \left ( \tan \left ( fx+e \right ) \right ) }{f{a}^{3}}}-{\frac{ \left ( \tan \left ( fx+e \right ) \right ) ^{3}}{8\,fa \left ( a+b+b \left ( \tan \left ( fx+e \right ) \right ) ^{2} \right ) ^{2}}}-{\frac{5\, \left ( \tan \left ( fx+e \right ) \right ) ^{3}}{8\,f \left ( a+b+b \left ( \tan \left ( fx+e \right ) \right ) ^{2} \right ) ^{2}b}}-{\frac{3\,a\tan \left ( fx+e \right ) }{8\,f \left ( a+b+b \left ( \tan \left ( fx+e \right ) \right ) ^{2} \right ) ^{2}{b}^{2}}}-{\frac{\tan \left ( fx+e \right ) }{4\,f \left ( a+b+b \left ( \tan \left ( fx+e \right ) \right ) ^{2} \right ) ^{2}b}}+{\frac{5\,\tan \left ( fx+e \right ) }{8\,fa \left ( a+b+b \left ( \tan \left ( fx+e \right ) \right ) ^{2} \right ) ^{2}}}+{\frac{3}{8\,f{b}^{2}}\arctan \left ({\tan \left ( fx+e \right ) b{\frac{1}{\sqrt{ \left ( a+b \right ) b}}}} \right ){\frac{1}{\sqrt{ \left ( a+b \right ) b}}}}-{\frac{1}{8\,fab}\arctan \left ({\tan \left ( fx+e \right ) b{\frac{1}{\sqrt{ \left ( a+b \right ) b}}}} \right ){\frac{1}{\sqrt{ \left ( a+b \right ) b}}}}+{\frac{1}{2\,f{a}^{2}}\arctan \left ({\tan \left ( fx+e \right ) b{\frac{1}{\sqrt{ \left ( a+b \right ) b}}}} \right ){\frac{1}{\sqrt{ \left ( a+b \right ) b}}}}+{\frac{b \left ( \tan \left ( fx+e \right ) \right ) ^{3}}{2\,f{a}^{2} \left ( a+b+b \left ( \tan \left ( fx+e \right ) \right ) ^{2} \right ) ^{2}}}+{\frac{\tan \left ( fx+e \right ) b}{2\,f{a}^{2} \left ( a+b+b \left ( \tan \left ( fx+e \right ) \right ) ^{2} \right ) ^{2}}}+{\frac{b}{f{a}^{3}}\arctan \left ({\tan \left ( fx+e \right ) b{\frac{1}{\sqrt{ \left ( a+b \right ) b}}}} \right ){\frac{1}{\sqrt{ \left ( a+b \right ) b}}}} \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 = 0.677676, size = 1519, normalized size = 10.33 \begin{align*} \text{result too large to display} \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 = 4.87869, size = 285, normalized size = 1.94 \begin{align*} -\frac{\frac{8 \,{\left (f x + e\right )}}{a^{3}} - \frac{{\left (3 \, a^{3} - a^{2} b + 4 \, a b^{2} + 8 \, b^{3}\right )}{\left (\pi \left \lfloor \frac{f x + e}{\pi } + \frac{1}{2} \right \rfloor \mathrm{sgn}\left (b\right ) + \arctan \left (\frac{b \tan \left (f x + e\right )}{\sqrt{a b + b^{2}}}\right )\right )}}{\sqrt{a b + b^{2}} a^{3} b^{2}} + \frac{5 \, a^{2} b \tan \left (f x + e\right )^{3} + a b^{2} \tan \left (f x + e\right )^{3} - 4 \, b^{3} \tan \left (f x + e\right )^{3} + 3 \, a^{3} \tan \left (f x + e\right ) + 2 \, a^{2} b \tan \left (f x + e\right ) - 5 \, a b^{2} \tan \left (f x + e\right ) - 4 \, b^{3} \tan \left (f x + e\right )}{{\left (b \tan \left (f x + e\right )^{2} + a + b\right )}^{2} a^{2} b^{2}}}{8 \, f} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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