Optimal. Leaf size=78 \[ \frac{2 i e^{c (a+b x)} \text{Hypergeometric2F1}\left (1,-\frac{i b c}{2 e},1-\frac{i b c}{2 e},-e^{2 i (d+e x)}\right )}{b c}-\frac{i e^{c (a+b x)}}{b c} \]
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Rubi [A] time = 0.0756806, antiderivative size = 78, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.188, Rules used = {4442, 2194, 2251} \[ \frac{2 i e^{c (a+b x)} \, _2F_1\left (1,-\frac{i b c}{2 e};1-\frac{i b c}{2 e};-e^{2 i (d+e x)}\right )}{b c}-\frac{i e^{c (a+b x)}}{b c} \]
Antiderivative was successfully verified.
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Rule 4442
Rule 2194
Rule 2251
Rubi steps
\begin{align*} \int e^{c (a+b x)} \tan (d+e x) \, dx &=i \int \left (-e^{c (a+b x)}+\frac{2 e^{c (a+b x)}}{1+e^{2 i (d+e x)}}\right ) \, dx\\ &=-\left (i \int e^{c (a+b x)} \, dx\right )+2 i \int \frac{e^{c (a+b x)}}{1+e^{2 i (d+e x)}} \, dx\\ &=-\frac{i e^{c (a+b x)}}{b c}+\frac{2 i e^{c (a+b x)} \, _2F_1\left (1,-\frac{i b c}{2 e};1-\frac{i b c}{2 e};-e^{2 i (d+e x)}\right )}{b c}\\ \end{align*}
Mathematica [B] time = 0.46909, size = 166, normalized size = 2.13 \[ \frac{e^{c (a+b x)} \left (2 b c e^{2 i (d+e x)} \text{Hypergeometric2F1}\left (1,1-\frac{i b c}{2 e},2-\frac{i b c}{2 e},-e^{2 i (d+e x)}\right )-(b c+2 i e) \left (2 e^{2 i d} \text{Hypergeometric2F1}\left (1,-\frac{i b c}{2 e},1-\frac{i b c}{2 e},-e^{2 i (d+e x)}\right )-e^{2 i d}+1\right )\right )}{b c \left (1+e^{2 i d}\right ) (-2 e+i b c)} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.046, size = 0, normalized size = 0. \begin{align*} \int{{\rm e}^{c \left ( bx+a \right ) }}\tan \left ( ex+d \right ) \, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int e^{\left ({\left (b x + a\right )} c\right )} \tan \left (e x + d\right )\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (e^{\left (b c x + a c\right )} \tan \left (e x + d\right ), x\right ) \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*} e^{a c} \int e^{b c x} \tan{\left (d + e x \right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int e^{\left ({\left (b x + a\right )} c\right )} \tan \left (e x + d\right )\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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