Optimal. Leaf size=188 \[ -\frac{a^3 \sqrt{c-d} \left (2 c^2+6 c d+7 d^2\right ) \tanh ^{-1}\left (\frac{\sqrt{c-d} \tan \left (\frac{1}{2} (e+f x)\right )}{\sqrt{c+d}}\right )}{d^3 f (c+d)^{5/2}}-\frac{a^3 (c-d) (2 c+5 d) \tan (e+f x)}{2 d^2 f (c+d)^2 (c+d \sec (e+f x))}-\frac{(c-d) \tan (e+f x) \left (a^3 \sec (e+f x)+a^3\right )}{2 d f (c+d) (c+d \sec (e+f x))^2}+\frac{a^3 \tanh ^{-1}(\sin (e+f x))}{d^3 f} \]
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Rubi [A] time = 0.394444, antiderivative size = 301, normalized size of antiderivative = 1.6, number of steps used = 9, number of rules used = 9, integrand size = 31, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.29, Rules used = {3987, 98, 149, 157, 63, 217, 203, 93, 205} \[ \frac{a^4 \sqrt{c-d} \left (2 c^2+6 c d+7 d^2\right ) \tan (e+f x) \tan ^{-1}\left (\frac{\sqrt{c+d} \sqrt{a \sec (e+f x)+a}}{\sqrt{c-d} \sqrt{a-a \sec (e+f x)}}\right )}{d^3 f (c+d)^{5/2} \sqrt{a-a \sec (e+f x)} \sqrt{a \sec (e+f x)+a}}-\frac{a^3 (c-d) (2 c+5 d) \tan (e+f x)}{2 d^2 f (c+d)^2 (c+d \sec (e+f x))}-\frac{(c-d) \tan (e+f x) \left (a^3 \sec (e+f x)+a^3\right )}{2 d f (c+d) (c+d \sec (e+f x))^2}+\frac{2 a^4 \tan (e+f x) \tan ^{-1}\left (\frac{\sqrt{a-a \sec (e+f x)}}{\sqrt{a (\sec (e+f x)+1)}}\right )}{d^3 f \sqrt{a-a \sec (e+f x)} \sqrt{a \sec (e+f x)+a}} \]
Antiderivative was successfully verified.
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Rule 3987
Rule 98
Rule 149
Rule 157
Rule 63
Rule 217
Rule 203
Rule 93
Rule 205
Rubi steps
\begin{align*} \int \frac{\sec (e+f x) (a+a \sec (e+f x))^3}{(c+d \sec (e+f x))^3} \, dx &=-\frac{\left (a^2 \tan (e+f x)\right ) \operatorname{Subst}\left (\int \frac{(a+a x)^{5/2}}{\sqrt{a-a x} (c+d x)^3} \, dx,x,\sec (e+f x)\right )}{f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}\\ &=-\frac{(c-d) \left (a^3+a^3 \sec (e+f x)\right ) \tan (e+f x)}{2 d (c+d) f (c+d \sec (e+f x))^2}+\frac{(a \tan (e+f x)) \operatorname{Subst}\left (\int \frac{\sqrt{a+a x} \left (a^3 (c-5 d)-2 a^3 (c+d) x\right )}{\sqrt{a-a x} (c+d x)^2} \, dx,x,\sec (e+f x)\right )}{2 d (c+d) f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}\\ &=-\frac{(c-d) \left (a^3+a^3 \sec (e+f x)\right ) \tan (e+f x)}{2 d (c+d) f (c+d \sec (e+f x))^2}-\frac{a^3 (c-d) (2 c+5 d) \tan (e+f x)}{2 d^2 (c+d)^2 f (c+d \sec (e+f x))}+\frac{\tan (e+f x) \operatorname{Subst}\left (\int \frac{-a^5 d (c+7 d)-2 a^5 (c+d)^2 x}{\sqrt{a-a x} \sqrt{a+a x} (c+d x)} \, dx,x,\sec (e+f x)\right )}{2 d^2 (c+d)^2 f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}\\ &=-\frac{(c-d) \left (a^3+a^3 \sec (e+f x)\right ) \tan (e+f x)}{2 d (c+d) f (c+d \sec (e+f x))^2}-\frac{a^3 (c-d) (2 c+5 d) \tan (e+f x)}{2 d^2 (c+d)^2 f (c+d \sec (e+f x))}-\frac{\left (a^5 \tan (e+f x)\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{a-a x} \sqrt{a+a x}} \, dx,x,\sec (e+f x)\right )}{d^3 f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}+\frac{\left (a^5 \left (2 c (c+d)^2-d^2 (c+7 d)\right ) \tan (e+f x)\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{a-a x} \sqrt{a+a x} (c+d x)} \, dx,x,\sec (e+f x)\right )}{2 d^3 (c+d)^2 f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}\\ &=-\frac{(c-d) \left (a^3+a^3 \sec (e+f x)\right ) \tan (e+f x)}{2 d (c+d) f (c+d \sec (e+f x))^2}-\frac{a^3 (c-d) (2 c+5 d) \tan (e+f x)}{2 d^2 (c+d)^2 f (c+d \sec (e+f x))}+\frac{\left (2 a^4 \tan (e+f x)\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{2 a-x^2}} \, dx,x,\sqrt{a-a \sec (e+f x)}\right )}{d^3 f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}+\frac{\left (a^5 \left (2 c (c+d)^2-d^2 (c+7 d)\right ) \tan (e+f x)\right ) \operatorname{Subst}\left (\int \frac{1}{a c-a d-(-a c-a d) x^2} \, dx,x,\frac{\sqrt{a+a \sec (e+f x)}}{\sqrt{a-a \sec (e+f x)}}\right )}{d^3 (c+d)^2 f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}\\ &=\frac{a^4 \sqrt{c-d} \left (2 c^2+6 c d+7 d^2\right ) \tan ^{-1}\left (\frac{\sqrt{c+d} \sqrt{a+a \sec (e+f x)}}{\sqrt{c-d} \sqrt{a-a \sec (e+f x)}}\right ) \tan (e+f x)}{d^3 (c+d)^{5/2} f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}-\frac{(c-d) \left (a^3+a^3 \sec (e+f x)\right ) \tan (e+f x)}{2 d (c+d) f (c+d \sec (e+f x))^2}-\frac{a^3 (c-d) (2 c+5 d) \tan (e+f x)}{2 d^2 (c+d)^2 f (c+d \sec (e+f x))}+\frac{\left (2 a^4 \tan (e+f x)\right ) \operatorname{Subst}\left (\int \frac{1}{1+x^2} \, dx,x,\frac{\sqrt{a-a \sec (e+f x)}}{\sqrt{a+a \sec (e+f x)}}\right )}{d^3 f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}\\ &=\frac{2 a^4 \tan ^{-1}\left (\frac{\sqrt{a-a \sec (e+f x)}}{\sqrt{a+a \sec (e+f x)}}\right ) \tan (e+f x)}{d^3 f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}+\frac{a^4 \sqrt{c-d} \left (2 c^2+6 c d+7 d^2\right ) \tan ^{-1}\left (\frac{\sqrt{c+d} \sqrt{a+a \sec (e+f x)}}{\sqrt{c-d} \sqrt{a-a \sec (e+f x)}}\right ) \tan (e+f x)}{d^3 (c+d)^{5/2} f \sqrt{a-a \sec (e+f x)} \sqrt{a+a \sec (e+f x)}}-\frac{(c-d) \left (a^3+a^3 \sec (e+f x)\right ) \tan (e+f x)}{2 d (c+d) f (c+d \sec (e+f x))^2}-\frac{a^3 (c-d) (2 c+5 d) \tan (e+f x)}{2 d^2 (c+d)^2 f (c+d \sec (e+f x))}\\ \end{align*}
Mathematica [C] time = 3.37798, size = 393, normalized size = 2.09 \[ \frac{a^3 \sec ^6\left (\frac{1}{2} (e+f x)\right ) (\sec (e+f x)+1)^3 (c \cos (e+f x)+d) \left (\frac{d (c-d) \sec (e) \left (\left (5 c^2 d^2+6 c^3 d+2 c^4+12 c d^3+2 d^4\right ) \sin (e)-c \left (-d \left (c^2+6 c d+2 d^2\right ) \sin (2 e+f x)+c \left (2 c^2+6 c d+d^2\right ) \sin (e+2 f x)+d \left (7 c^2+18 c d+2 d^2\right ) \sin (f x)\right )\right )}{c^2 (c+d)^2}+\frac{4 \left (4 c^2 d+2 c^3+c d^2-7 d^3\right ) (\sin (e)+i \cos (e)) (c \cos (e+f x)+d)^2 \tan ^{-1}\left (\frac{(\sin (e)+i \cos (e)) \left (\tan \left (\frac{f x}{2}\right ) (c \cos (e)-d)+c \sin (e)\right )}{\sqrt{c^2-d^2} \sqrt{(\cos (e)-i \sin (e))^2}}\right )}{(c+d)^2 \sqrt{c^2-d^2} \sqrt{(\cos (e)-i \sin (e))^2}}-4 (c \cos (e+f x)+d)^2 \log \left (\cos \left (\frac{1}{2} (e+f x)\right )-\sin \left (\frac{1}{2} (e+f x)\right )\right )+4 (c \cos (e+f x)+d)^2 \log \left (\sin \left (\frac{1}{2} (e+f x)\right )+\cos \left (\frac{1}{2} (e+f x)\right )\right )\right )}{32 d^3 f (c+d \sec (e+f x))^3} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.127, size = 768, normalized size = 4.1 \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 = 1.68489, size = 2534, normalized size = 13.48 \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] time = 0., size = 0, normalized size = 0. \begin{align*} a^{3} \left (\int \frac{\sec{\left (e + f x \right )}}{c^{3} + 3 c^{2} d \sec{\left (e + f x \right )} + 3 c d^{2} \sec ^{2}{\left (e + f x \right )} + d^{3} \sec ^{3}{\left (e + f x \right )}}\, dx + \int \frac{3 \sec ^{2}{\left (e + f x \right )}}{c^{3} + 3 c^{2} d \sec{\left (e + f x \right )} + 3 c d^{2} \sec ^{2}{\left (e + f x \right )} + d^{3} \sec ^{3}{\left (e + f x \right )}}\, dx + \int \frac{3 \sec ^{3}{\left (e + f x \right )}}{c^{3} + 3 c^{2} d \sec{\left (e + f x \right )} + 3 c d^{2} \sec ^{2}{\left (e + f x \right )} + d^{3} \sec ^{3}{\left (e + f x \right )}}\, dx + \int \frac{\sec ^{4}{\left (e + f x \right )}}{c^{3} + 3 c^{2} d \sec{\left (e + f x \right )} + 3 c d^{2} \sec ^{2}{\left (e + f x \right )} + d^{3} \sec ^{3}{\left (e + f x \right )}}\, dx\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.36028, size = 528, normalized size = 2.81 \begin{align*} \frac{\frac{a^{3} \log \left ({\left | \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right ) + 1 \right |}\right )}{d^{3}} - \frac{a^{3} \log \left ({\left | \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right ) - 1 \right |}\right )}{d^{3}} + \frac{{\left (2 \, a^{3} c^{3} + 4 \, a^{3} c^{2} d + a^{3} c d^{2} - 7 \, a^{3} d^{3}\right )}{\left (\pi \left \lfloor \frac{f x + e}{2 \, \pi } + \frac{1}{2} \right \rfloor \mathrm{sgn}\left (2 \, c - 2 \, d\right ) + \arctan \left (\frac{c \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right ) - d \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )}{\sqrt{-c^{2} + d^{2}}}\right )\right )}}{{\left (c^{2} d^{3} + 2 \, c d^{4} + d^{5}\right )} \sqrt{-c^{2} + d^{2}}} + \frac{2 \, a^{3} c^{3} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} + a^{3} c^{2} d \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} - 8 \, a^{3} c d^{2} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} + 5 \, a^{3} d^{3} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} - 2 \, a^{3} c^{3} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right ) - 7 \, a^{3} c^{2} d \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right ) + 2 \, a^{3} c d^{2} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right ) + 7 \, a^{3} d^{3} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )}{{\left (c^{2} d^{2} + 2 \, c d^{3} + d^{4}\right )}{\left (c \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{2} - d \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{2} - c - d\right )}^{2}}}{f} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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