Optimal. Leaf size=189 \[ \frac{a \left (2 c^2-2 c d+d^2\right ) \tanh ^{-1}\left (\frac{\sqrt{c-d} \tan \left (\frac{1}{2} (e+f x)\right )}{\sqrt{c+d}}\right )}{f (c-d)^{5/2} (c+d)^{7/2}}+\frac{a (c-4 d) (2 c-d) \tan (e+f x)}{6 f (c-d)^2 (c+d)^3 (c+d \sec (e+f x))}+\frac{a (2 c-3 d) \tan (e+f x)}{6 f (c-d) (c+d)^2 (c+d \sec (e+f x))^2}+\frac{a \tan (e+f x)}{3 f (c+d) (c+d \sec (e+f x))^3} \]
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Rubi [A] time = 0.454203, antiderivative size = 189, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 5, integrand size = 29, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.172, Rules used = {4003, 12, 3831, 2659, 208} \[ \frac{a \left (2 c^2-2 c d+d^2\right ) \tanh ^{-1}\left (\frac{\sqrt{c-d} \tan \left (\frac{1}{2} (e+f x)\right )}{\sqrt{c+d}}\right )}{f (c-d)^{5/2} (c+d)^{7/2}}+\frac{a (c-4 d) (2 c-d) \tan (e+f x)}{6 f (c-d)^2 (c+d)^3 (c+d \sec (e+f x))}+\frac{a (2 c-3 d) \tan (e+f x)}{6 f (c-d) (c+d)^2 (c+d \sec (e+f x))^2}+\frac{a \tan (e+f x)}{3 f (c+d) (c+d \sec (e+f x))^3} \]
Antiderivative was successfully verified.
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Rule 4003
Rule 12
Rule 3831
Rule 2659
Rule 208
Rubi steps
\begin{align*} \int \frac{\sec (e+f x) (a+a \sec (e+f x))}{(c+d \sec (e+f x))^4} \, dx &=\frac{a \tan (e+f x)}{3 (c+d) f (c+d \sec (e+f x))^3}-\frac{\int \frac{\sec (e+f x) (-3 a (c-d)-2 a (c-d) \sec (e+f x))}{(c+d \sec (e+f x))^3} \, dx}{3 \left (c^2-d^2\right )}\\ &=\frac{a \tan (e+f x)}{3 (c+d) f (c+d \sec (e+f x))^3}+\frac{a (2 c-3 d) \tan (e+f x)}{6 (c-d) (c+d)^2 f (c+d \sec (e+f x))^2}+\frac{\int \frac{\sec (e+f x) (2 a (3 c-2 d) (c-d)+a (2 c-3 d) (c-d) \sec (e+f x))}{(c+d \sec (e+f x))^2} \, dx}{6 \left (c^2-d^2\right )^2}\\ &=\frac{a \tan (e+f x)}{3 (c+d) f (c+d \sec (e+f x))^3}+\frac{a (2 c-3 d) \tan (e+f x)}{6 (c-d) (c+d)^2 f (c+d \sec (e+f x))^2}+\frac{a (c-4 d) (2 c-d) \tan (e+f x)}{6 (c-d)^2 (c+d)^3 f (c+d \sec (e+f x))}-\frac{\int -\frac{3 a (c-d) \left (2 c^2-2 c d+d^2\right ) \sec (e+f x)}{c+d \sec (e+f x)} \, dx}{6 \left (c^2-d^2\right )^3}\\ &=\frac{a \tan (e+f x)}{3 (c+d) f (c+d \sec (e+f x))^3}+\frac{a (2 c-3 d) \tan (e+f x)}{6 (c-d) (c+d)^2 f (c+d \sec (e+f x))^2}+\frac{a (c-4 d) (2 c-d) \tan (e+f x)}{6 (c-d)^2 (c+d)^3 f (c+d \sec (e+f x))}+\frac{\left (a \left (2 c^2-2 c d+d^2\right )\right ) \int \frac{\sec (e+f x)}{c+d \sec (e+f x)} \, dx}{2 (c-d)^2 (c+d)^3}\\ &=\frac{a \tan (e+f x)}{3 (c+d) f (c+d \sec (e+f x))^3}+\frac{a (2 c-3 d) \tan (e+f x)}{6 (c-d) (c+d)^2 f (c+d \sec (e+f x))^2}+\frac{a (c-4 d) (2 c-d) \tan (e+f x)}{6 (c-d)^2 (c+d)^3 f (c+d \sec (e+f x))}+\frac{\left (a \left (2 c^2-2 c d+d^2\right )\right ) \int \frac{1}{1+\frac{c \cos (e+f x)}{d}} \, dx}{2 (c-d)^2 d (c+d)^3}\\ &=\frac{a \tan (e+f x)}{3 (c+d) f (c+d \sec (e+f x))^3}+\frac{a (2 c-3 d) \tan (e+f x)}{6 (c-d) (c+d)^2 f (c+d \sec (e+f x))^2}+\frac{a (c-4 d) (2 c-d) \tan (e+f x)}{6 (c-d)^2 (c+d)^3 f (c+d \sec (e+f x))}+\frac{\left (a \left (2 c^2-2 c d+d^2\right )\right ) \operatorname{Subst}\left (\int \frac{1}{1+\frac{c}{d}+\left (1-\frac{c}{d}\right ) x^2} \, dx,x,\tan \left (\frac{1}{2} (e+f x)\right )\right )}{(c-d)^2 d (c+d)^3 f}\\ &=\frac{a \left (2 c^2-2 c d+d^2\right ) \tanh ^{-1}\left (\frac{\sqrt{c-d} \tan \left (\frac{1}{2} (e+f x)\right )}{\sqrt{c+d}}\right )}{(c-d)^{5/2} (c+d)^{7/2} f}+\frac{a \tan (e+f x)}{3 (c+d) f (c+d \sec (e+f x))^3}+\frac{a (2 c-3 d) \tan (e+f x)}{6 (c-d) (c+d)^2 f (c+d \sec (e+f x))^2}+\frac{a (c-4 d) (2 c-d) \tan (e+f x)}{6 (c-d)^2 (c+d)^3 f (c+d \sec (e+f x))}\\ \end{align*}
Mathematica [A] time = 3.18907, size = 247, normalized size = 1.31 \[ -\frac{a (\cos (e+f x)+1) \sec ^2\left (\frac{1}{2} (e+f x)\right ) \left (6 \left (2 c^2-2 c d+d^2\right ) (c \cos (e+f x)+d)^3 \tanh ^{-1}\left (\frac{(d-c) \tan \left (\frac{1}{2} (e+f x)\right )}{\sqrt{c^2-d^2}}\right )-\frac{1}{2} \sqrt{c^2-d^2} \sin (e+f x) \left (6 d \left (-7 c^2 d+2 c^3+2 c d^2+d^3\right ) \cos (e+f x)+\left (-2 c^2 d^2-12 c^3 d+6 c^4+3 c d^3+2 d^4\right ) \cos (2 (e+f x))+2 c^2 d^2-12 c^3 d+6 c^4-15 c d^3+10 d^4\right )\right )}{12 f (c-d)^2 (c+d)^3 \sqrt{c^2-d^2} (c \cos (e+f x)+d)^3} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.117, size = 271, normalized size = 1.4 \begin{align*} 4\,{\frac{a}{f} \left ({\frac{1}{ \left ( \left ( \tan \left ( 1/2\,fx+e/2 \right ) \right ) ^{2}c- \left ( \tan \left ( 1/2\,fx+e/2 \right ) \right ) ^{2}d-c-d \right ) ^{3}} \left ( -1/4\,{\frac{ \left ( 2\,{c}^{2}-2\,cd+{d}^{2} \right ) \left ( \tan \left ( 1/2\,fx+e/2 \right ) \right ) ^{5}}{{c}^{3}+3\,{c}^{2}d+3\,{d}^{2}c+{d}^{3}}}+1/3\,{\frac{ \left ( 3\,{c}^{2}-6\,cd+{d}^{2} \right ) \left ( \tan \left ( 1/2\,fx+e/2 \right ) \right ) ^{3}}{ \left ( c-d \right ) \left ({c}^{2}+2\,cd+{d}^{2} \right ) }}-1/4\,{\frac{ \left ( 2\,{c}^{2}-6\,cd+3\,{d}^{2} \right ) \tan \left ( 1/2\,fx+e/2 \right ) }{ \left ( c+d \right ) \left ({c}^{2}-2\,cd+{d}^{2} \right ) }} \right ) }+1/4\,{\frac{2\,{c}^{2}-2\,cd+{d}^{2}}{ \left ({c}^{5}+{c}^{4}d-2\,{c}^{3}{d}^{2}-2\,{c}^{2}{d}^{3}+c{d}^{4}+{d}^{5} \right ) \sqrt{ \left ( c+d \right ) \left ( c-d \right ) }}{\it Artanh} \left ({\frac{\tan \left ( 1/2\,fx+e/2 \right ) \left ( c-d \right ) }{\sqrt{ \left ( c+d \right ) \left ( c-d \right ) }}} \right ) } \right ) } \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 = 0.691661, size = 2731, normalized size = 14.45 \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 \left (\int \frac{\sec{\left (e + f x \right )}}{c^{4} + 4 c^{3} d \sec{\left (e + f x \right )} + 6 c^{2} d^{2} \sec ^{2}{\left (e + f x \right )} + 4 c d^{3} \sec ^{3}{\left (e + f x \right )} + d^{4} \sec ^{4}{\left (e + f x \right )}}\, dx + \int \frac{\sec ^{2}{\left (e + f x \right )}}{c^{4} + 4 c^{3} d \sec{\left (e + f x \right )} + 6 c^{2} d^{2} \sec ^{2}{\left (e + f x \right )} + 4 c d^{3} \sec ^{3}{\left (e + f x \right )} + d^{4} \sec ^{4}{\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 = 1.50392, size = 632, normalized size = 3.34 \begin{align*} -\frac{\frac{3 \,{\left (2 \, a c^{2} - 2 \, a c d + a d^{2}\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^{5} + c^{4} d - 2 \, c^{3} d^{2} - 2 \, c^{2} d^{3} + c d^{4} + d^{5}\right )} \sqrt{-c^{2} + d^{2}}} + \frac{6 \, a c^{4} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{5} - 18 \, a c^{3} d \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{5} + 21 \, a c^{2} d^{2} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{5} - 12 \, a c d^{3} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{5} + 3 \, a d^{4} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{5} - 12 \, a c^{4} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} + 24 \, a c^{3} d \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} + 8 \, a c^{2} d^{2} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} - 24 \, a c d^{3} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} + 4 \, a d^{4} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )^{3} + 6 \, a c^{4} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right ) - 6 \, a c^{3} d \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right ) - 21 \, a c^{2} d^{2} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right ) + 9 \, a d^{4} \tan \left (\frac{1}{2} \, f x + \frac{1}{2} \, e\right )}{{\left (c^{5} + c^{4} d - 2 \, c^{3} d^{2} - 2 \, c^{2} d^{3} + c d^{4} + d^{5}\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 )}^{3}}}{3 \, f} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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