Optimal. Leaf size=58 \[ a A x+\frac{a C \tan (c+d x)}{d}+\frac{b (2 A+C) \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac{b C \tan (c+d x) \sec (c+d x)}{2 d} \]
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Rubi [A] time = 0.0536912, antiderivative size = 58, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 4, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.174, Rules used = {4049, 3770, 3767, 8} \[ a A x+\frac{a C \tan (c+d x)}{d}+\frac{b (2 A+C) \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac{b C \tan (c+d x) \sec (c+d x)}{2 d} \]
Antiderivative was successfully verified.
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Rule 4049
Rule 3770
Rule 3767
Rule 8
Rubi steps
\begin{align*} \int (a+b \sec (c+d x)) \left (A+C \sec ^2(c+d x)\right ) \, dx &=\frac{b C \sec (c+d x) \tan (c+d x)}{2 d}+\frac{1}{2} \int \left (2 a A+b (2 A+C) \sec (c+d x)+2 a C \sec ^2(c+d x)\right ) \, dx\\ &=a A x+\frac{b C \sec (c+d x) \tan (c+d x)}{2 d}+(a C) \int \sec ^2(c+d x) \, dx+\frac{1}{2} (b (2 A+C)) \int \sec (c+d x) \, dx\\ &=a A x+\frac{b (2 A+C) \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac{b C \sec (c+d x) \tan (c+d x)}{2 d}-\frac{(a C) \operatorname{Subst}(\int 1 \, dx,x,-\tan (c+d x))}{d}\\ &=a A x+\frac{b (2 A+C) \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac{a C \tan (c+d x)}{d}+\frac{b C \sec (c+d x) \tan (c+d x)}{2 d}\\ \end{align*}
Mathematica [A] time = 0.019705, size = 67, normalized size = 1.16 \[ a A x+\frac{a C \tan (c+d x)}{d}+\frac{A b \tanh ^{-1}(\sin (c+d x))}{d}+\frac{b C \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac{b C \tan (c+d x) \sec (c+d x)}{2 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.035, size = 85, normalized size = 1.5 \begin{align*} aAx+{\frac{Aac}{d}}+{\frac{aC\tan \left ( dx+c \right ) }{d}}+{\frac{Ab\ln \left ( \sec \left ( dx+c \right ) +\tan \left ( dx+c \right ) \right ) }{d}}+{\frac{Cb\sec \left ( dx+c \right ) \tan \left ( dx+c \right ) }{2\,d}}+{\frac{Cb\ln \left ( \sec \left ( dx+c \right ) +\tan \left ( dx+c \right ) \right ) }{2\,d}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.964559, size = 119, normalized size = 2.05 \begin{align*} \frac{4 \,{\left (d x + c\right )} A a - C b{\left (\frac{2 \, \sin \left (d x + c\right )}{\sin \left (d x + c\right )^{2} - 1} - \log \left (\sin \left (d x + c\right ) + 1\right ) + \log \left (\sin \left (d x + c\right ) - 1\right )\right )} + 4 \, A b \log \left (\sec \left (d x + c\right ) + \tan \left (d x + c\right )\right ) + 4 \, C a \tan \left (d x + c\right )}{4 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 0.572936, size = 267, normalized size = 4.6 \begin{align*} \frac{4 \, A a d x \cos \left (d x + c\right )^{2} +{\left (2 \, A + C\right )} b \cos \left (d x + c\right )^{2} \log \left (\sin \left (d x + c\right ) + 1\right ) -{\left (2 \, A + C\right )} b \cos \left (d x + c\right )^{2} \log \left (-\sin \left (d x + c\right ) + 1\right ) + 2 \,{\left (2 \, C a \cos \left (d x + c\right ) + C b\right )} \sin \left (d x + c\right )}{4 \, d \cos \left (d x + c\right )^{2}} \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*} \int \left (A + C \sec ^{2}{\left (c + d x \right )}\right ) \left (a + b \sec{\left (c + d x \right )}\right )\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.15396, size = 181, normalized size = 3.12 \begin{align*} \frac{2 \,{\left (d x + c\right )} A a +{\left (2 \, A b + C b\right )} \log \left ({\left | \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) + 1 \right |}\right ) -{\left (2 \, A b + C b\right )} \log \left ({\left | \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 1 \right |}\right ) - \frac{2 \,{\left (2 \, C a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - C b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - 2 \, C a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - C b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )\right )}}{{\left (\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 1\right )}^{2}}}{2 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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