Optimal. Leaf size=103 \[ \frac{\left (1-\sqrt{2}\right ) \log \left (e^{2 c (a+b x)}+3-2 \sqrt{2}\right )}{2 b c}+\frac{\left (1+\sqrt{2}\right ) \log \left (e^{2 c (a+b x)}+3+2 \sqrt{2}\right )}{2 b c}+\frac{e^{a c+b c x} \tan ^{-1}(\text{sech}(c (a+b x)))}{b c} \]
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Rubi [A] time = 0.145389, antiderivative size = 103, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 7, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.35, Rules used = {2194, 5207, 2282, 12, 1247, 632, 31} \[ \frac{\left (1-\sqrt{2}\right ) \log \left (e^{2 c (a+b x)}+3-2 \sqrt{2}\right )}{2 b c}+\frac{\left (1+\sqrt{2}\right ) \log \left (e^{2 c (a+b x)}+3+2 \sqrt{2}\right )}{2 b c}+\frac{e^{a c+b c x} \tan ^{-1}(\text{sech}(c (a+b x)))}{b c} \]
Antiderivative was successfully verified.
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Rule 2194
Rule 5207
Rule 2282
Rule 12
Rule 1247
Rule 632
Rule 31
Rubi steps
\begin{align*} \int e^{c (a+b x)} \tan ^{-1}(\text{sech}(a c+b c x)) \, dx &=\frac{\operatorname{Subst}\left (\int e^x \tan ^{-1}(\text{sech}(x)) \, dx,x,a c+b c x\right )}{b c}\\ &=\frac{e^{a c+b c x} \tan ^{-1}(\text{sech}(c (a+b x)))}{b c}+\frac{\operatorname{Subst}\left (\int \frac{e^x \text{sech}(x) \tanh (x)}{1+\text{sech}^2(x)} \, dx,x,a c+b c x\right )}{b c}\\ &=\frac{e^{a c+b c x} \tan ^{-1}(\text{sech}(c (a+b x)))}{b c}+\frac{\operatorname{Subst}\left (\int \frac{2 x \left (-1+x^2\right )}{1+6 x^2+x^4} \, dx,x,e^{a c+b c x}\right )}{b c}\\ &=\frac{e^{a c+b c x} \tan ^{-1}(\text{sech}(c (a+b x)))}{b c}+\frac{2 \operatorname{Subst}\left (\int \frac{x \left (-1+x^2\right )}{1+6 x^2+x^4} \, dx,x,e^{a c+b c x}\right )}{b c}\\ &=\frac{e^{a c+b c x} \tan ^{-1}(\text{sech}(c (a+b x)))}{b c}+\frac{\operatorname{Subst}\left (\int \frac{-1+x}{1+6 x+x^2} \, dx,x,e^{2 a c+2 b c x}\right )}{b c}\\ &=\frac{e^{a c+b c x} \tan ^{-1}(\text{sech}(c (a+b x)))}{b c}+\frac{\left (1-\sqrt{2}\right ) \operatorname{Subst}\left (\int \frac{1}{3-2 \sqrt{2}+x} \, dx,x,e^{2 a c+2 b c x}\right )}{2 b c}+\frac{\left (1+\sqrt{2}\right ) \operatorname{Subst}\left (\int \frac{1}{3+2 \sqrt{2}+x} \, dx,x,e^{2 a c+2 b c x}\right )}{2 b c}\\ &=\frac{e^{a c+b c x} \tan ^{-1}(\text{sech}(c (a+b x)))}{b c}+\frac{\left (1-\sqrt{2}\right ) \log \left (3-2 \sqrt{2}+e^{2 a c+2 b c x}\right )}{2 b c}+\frac{\left (1+\sqrt{2}\right ) \log \left (3+2 \sqrt{2}+e^{2 a c+2 b c x}\right )}{2 b c}\\ \end{align*}
Mathematica [C] time = 0.147943, size = 145, normalized size = 1.41 \[ \frac{\text{RootSum}\left [\text{$\#$1}^4+6 \text{$\#$1}^2+1\& ,\frac{7 \text{$\#$1}^2 \log \left (e^{c (a+b x)}-\text{$\#$1}\right )-7 \text{$\#$1}^2 a c-7 \text{$\#$1}^2 b c x+\log \left (e^{c (a+b x)}-\text{$\#$1}\right )-a c-b c x}{3 \text{$\#$1}^2+1}\& \right ]+4 c (a+b x)+2 e^{c (a+b x)} \tan ^{-1}\left (\frac{2 e^{c (a+b x)}}{e^{2 c (a+b x)}+1}\right )}{2 b c} \]
Warning: Unable to verify antiderivative.
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Maple [C] time = 0.609, size = 842, normalized size = 8.2 \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 [A] time = 1.57521, size = 228, normalized size = 2.21 \begin{align*} \frac{\arctan \left (\operatorname{sech}\left (b c x + a c\right )\right ) e^{\left ({\left (b x + a\right )} c\right )}}{b c} - \frac{3 \, \sqrt{2} \log \left (-\frac{2 \, \sqrt{2} - e^{\left (2 \, b c x + 2 \, a c\right )} - 3}{2 \, \sqrt{2} + e^{\left (2 \, b c x + 2 \, a c\right )} + 3}\right )}{8 \, b c} + \frac{\sqrt{2} \log \left (-\frac{2 \, \sqrt{2} - e^{\left (-2 \, b c x - 2 \, a c\right )} - 3}{2 \, \sqrt{2} + e^{\left (-2 \, b c x - 2 \, a c\right )} + 3}\right )}{8 \, b c} + \frac{\log \left (e^{\left (4 \, b c x + 4 \, a c\right )} + 6 \, e^{\left (2 \, b c x + 2 \, a c\right )} + 1\right )}{2 \, b c} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.06773, size = 741, normalized size = 7.19 \begin{align*} \frac{2 \,{\left (\cosh \left (b c x + a c\right ) + \sinh \left (b c x + a c\right )\right )} \arctan \left (\frac{2 \,{\left (\cosh \left (b c x + a c\right ) + \sinh \left (b c x + a c\right )\right )}}{\cosh \left (b c x + a c\right )^{2} + 2 \, \cosh \left (b c x + a c\right ) \sinh \left (b c x + a c\right ) + \sinh \left (b c x + a c\right )^{2} + 1}\right ) + \sqrt{2} \log \left (\frac{3 \,{\left (2 \, \sqrt{2} + 3\right )} \cosh \left (b c x + a c\right )^{2} - 4 \,{\left (3 \, \sqrt{2} + 4\right )} \cosh \left (b c x + a c\right ) \sinh \left (b c x + a c\right ) + 3 \,{\left (2 \, \sqrt{2} + 3\right )} \sinh \left (b c x + a c\right )^{2} + 2 \, \sqrt{2} + 3}{\cosh \left (b c x + a c\right )^{2} + \sinh \left (b c x + a c\right )^{2} + 3}\right ) + \log \left (\frac{2 \,{\left (\cosh \left (b c x + a c\right )^{2} + \sinh \left (b c x + a c\right )^{2} + 3\right )}}{\cosh \left (b c x + a c\right )^{2} - 2 \, \cosh \left (b c x + a c\right ) \sinh \left (b c x + a c\right ) + \sinh \left (b c x + a c\right )^{2}}\right )}{2 \, b c} \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 = 1.13004, size = 208, normalized size = 2.02 \begin{align*} -\frac{{\left (\sqrt{2} e^{\left (-a c\right )} \log \left (-\frac{2 \, \sqrt{2} e^{\left (2 \, a c\right )} - e^{\left (2 \, b c x + 4 \, a c\right )} - 3 \, e^{\left (2 \, a c\right )}}{2 \, \sqrt{2} e^{\left (2 \, a c\right )} + e^{\left (2 \, b c x + 4 \, a c\right )} + 3 \, e^{\left (2 \, a c\right )}}\right ) - 2 \, \arctan \left (\frac{2}{e^{\left (b c x + a c\right )} + e^{\left (-b c x - a c\right )}}\right ) e^{\left (b c x\right )} - e^{\left (-a c\right )} \log \left (e^{\left (4 \, b c x + 4 \, a c\right )} + 6 \, e^{\left (2 \, b c x + 2 \, a c\right )} + 1\right )\right )} e^{\left (a c\right )}}{2 \, b c} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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