Optimal. Leaf size=102 \[ \frac{i 2^{p+\left (1-\frac{i}{2}\right )} (1-i a x)^{p+\left (1+\frac{i}{2}\right )} \left (a^2 x^2+1\right )^{-p} \left (a^2 c x^2+c\right )^p \, _2F_1\left (\frac{i}{2}-p,p+\left (1+\frac{i}{2}\right );p+\left (2+\frac{i}{2}\right );\frac{1}{2} (1-i a x)\right )}{a (2 p+(2+i))} \]
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Rubi [A] time = 0.0751491, antiderivative size = 102, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.158, Rules used = {5076, 5073, 69} \[ \frac{i 2^{p+\left (1-\frac{i}{2}\right )} (1-i a x)^{p+\left (1+\frac{i}{2}\right )} \left (a^2 x^2+1\right )^{-p} \left (a^2 c x^2+c\right )^p \, _2F_1\left (\frac{i}{2}-p,p+\left (1+\frac{i}{2}\right );p+\left (2+\frac{i}{2}\right );\frac{1}{2} (1-i a x)\right )}{a (2 p+(2+i))} \]
Antiderivative was successfully verified.
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Rule 5076
Rule 5073
Rule 69
Rubi steps
\begin{align*} \int e^{\tan ^{-1}(a x)} \left (c+a^2 c x^2\right )^p \, dx &=\left (\left (1+a^2 x^2\right )^{-p} \left (c+a^2 c x^2\right )^p\right ) \int e^{\tan ^{-1}(a x)} \left (1+a^2 x^2\right )^p \, dx\\ &=\left (\left (1+a^2 x^2\right )^{-p} \left (c+a^2 c x^2\right )^p\right ) \int (1-i a x)^{\frac{i}{2}+p} (1+i a x)^{-\frac{i}{2}+p} \, dx\\ &=\frac{i 2^{\left (1-\frac{i}{2}\right )+p} (1-i a x)^{\left (1+\frac{i}{2}\right )+p} \left (1+a^2 x^2\right )^{-p} \left (c+a^2 c x^2\right )^p \, _2F_1\left (\frac{i}{2}-p,\left (1+\frac{i}{2}\right )+p;\left (2+\frac{i}{2}\right )+p;\frac{1}{2} (1-i a x)\right )}{a ((2+i)+2 p)}\\ \end{align*}
Mathematica [A] time = 0.0281641, size = 102, normalized size = 1. \[ \frac{i 2^{p-\frac{i}{2}} (1-i a x)^{p+\left (1+\frac{i}{2}\right )} \left (a^2 x^2+1\right )^{-p} \left (a^2 c x^2+c\right )^p \, _2F_1\left (\frac{i}{2}-p,p+\left (1+\frac{i}{2}\right );p+\left (2+\frac{i}{2}\right );\frac{1}{2} (1-i a x)\right )}{a \left (p+\left (1+\frac{i}{2}\right )\right )} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.322, size = 0, normalized size = 0. \begin{align*} \int{{\rm e}^{\arctan \left ( ax \right ) }} \left ({a}^{2}c{x}^{2}+c \right ) ^{p}\, 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{\left (a^{2} c x^{2} + c\right )}^{p} e^{\left (\arctan \left (a x\right )\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 ({\left (a^{2} c x^{2} + c\right )}^{p} e^{\left (\arctan \left (a x\right )\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*} \int \left (c \left (a^{2} x^{2} + 1\right )\right )^{p} e^{\operatorname{atan}{\left (a 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{\left (a^{2} c x^{2} + c\right )}^{p} e^{\left (\arctan \left (a x\right )\right )}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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