Optimal. Leaf size=45 \[ \frac{\tan (c+d x) (2 a+b \sec (c+d x))}{2 d}-a x-\frac{b \tanh ^{-1}(\sin (c+d x))}{2 d} \]
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Rubi [A] time = 0.0354112, antiderivative size = 45, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.105, Rules used = {3881, 3770} \[ \frac{\tan (c+d x) (2 a+b \sec (c+d x))}{2 d}-a x-\frac{b \tanh ^{-1}(\sin (c+d x))}{2 d} \]
Antiderivative was successfully verified.
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Rule 3881
Rule 3770
Rubi steps
\begin{align*} \int (a+b \sec (c+d x)) \tan ^2(c+d x) \, dx &=\frac{(2 a+b \sec (c+d x)) \tan (c+d x)}{2 d}-\frac{1}{2} \int (2 a+b \sec (c+d x)) \, dx\\ &=-a x+\frac{(2 a+b \sec (c+d x)) \tan (c+d x)}{2 d}-\frac{1}{2} b \int \sec (c+d x) \, dx\\ &=-a x-\frac{b \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac{(2 a+b \sec (c+d x)) \tan (c+d x)}{2 d}\\ \end{align*}
Mathematica [A] time = 0.0244875, size = 60, normalized size = 1.33 \[ -\frac{a \tan ^{-1}(\tan (c+d x))}{d}+\frac{a \tan (c+d x)}{d}-\frac{b \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac{b \tan (c+d x) \sec (c+d x)}{2 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.03, size = 78, normalized size = 1.7 \begin{align*} -ax+{\frac{a\tan \left ( dx+c \right ) }{d}}-{\frac{ac}{d}}+{\frac{b \left ( \sin \left ( dx+c \right ) \right ) ^{3}}{2\,d \left ( \cos \left ( dx+c \right ) \right ) ^{2}}}+{\frac{\sin \left ( dx+c \right ) b}{2\,d}}-{\frac{b\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 = 1.49497, size = 88, normalized size = 1.96 \begin{align*} -\frac{4 \,{\left (d x + c - \tan \left (d x + c\right )\right )} a + 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 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 0.903781, size = 234, normalized size = 5.2 \begin{align*} -\frac{4 \, a d x \cos \left (d x + c\right )^{2} + b \cos \left (d x + c\right )^{2} \log \left (\sin \left (d x + c\right ) + 1\right ) - b \cos \left (d x + c\right )^{2} \log \left (-\sin \left (d x + c\right ) + 1\right ) - 2 \,{\left (2 \, a \cos \left (d x + c\right ) + 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 + b \sec{\left (c + d x \right )}\right ) \tan ^{2}{\left (c + d x \right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.51081, size = 155, normalized size = 3.44 \begin{align*} -\frac{2 \,{\left (d x + c\right )} a + b \log \left ({\left | \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) + 1 \right |}\right ) - b \log \left ({\left | \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 1 \right |}\right ) + \frac{2 \,{\left (2 \, a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - 2 \, a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 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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