Optimal. Leaf size=49 \[ -\frac{i \sqrt{a^2 x^2+1}}{2 a c (1-i a x)^2 \sqrt{a^2 c x^2+c}} \]
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Rubi [A] time = 0.0688765, antiderivative size = 49, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 25, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.12, Rules used = {5076, 5073, 32} \[ -\frac{i \sqrt{a^2 x^2+1}}{2 a c (1-i a x)^2 \sqrt{a^2 c x^2+c}} \]
Antiderivative was successfully verified.
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Rule 5076
Rule 5073
Rule 32
Rubi steps
\begin{align*} \int \frac{e^{3 i \tan ^{-1}(a x)}}{\left (c+a^2 c x^2\right )^{3/2}} \, dx &=\frac{\sqrt{1+a^2 x^2} \int \frac{e^{3 i \tan ^{-1}(a x)}}{\left (1+a^2 x^2\right )^{3/2}} \, dx}{c \sqrt{c+a^2 c x^2}}\\ &=\frac{\sqrt{1+a^2 x^2} \int \frac{1}{(1-i a x)^3} \, dx}{c \sqrt{c+a^2 c x^2}}\\ &=-\frac{i \sqrt{1+a^2 x^2}}{2 a c (1-i a x)^2 \sqrt{c+a^2 c x^2}}\\ \end{align*}
Mathematica [A] time = 0.0355115, size = 57, normalized size = 1.16 \[ \frac{i \sqrt{a^2 x^2+1} \sqrt{a^2 c x^2+c}}{2 a c^2 (a x-i) (a x+i)^3} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.056, size = 44, normalized size = 0.9 \begin{align*} -{\frac{ \left ( ax+i \right ) \left ( 1+iax \right ) ^{3}}{2\,a} \left ({a}^{2}{x}^{2}+1 \right ) ^{-{\frac{3}{2}}} \left ({a}^{2}c{x}^{2}+c \right ) ^{-{\frac{3}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: RuntimeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.16015, size = 150, normalized size = 3.06 \begin{align*} \frac{\sqrt{a^{2} c x^{2} + c} \sqrt{a^{2} x^{2} + 1}{\left (i \, a x^{2} - 2 \, x\right )}}{2 \, a^{4} c^{2} x^{4} + 4 i \, a^{3} c^{2} x^{3} + 4 i \, a c^{2} x - 2 \, c^{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 \frac{\left (i a x + 1\right )^{3}}{\left (c \left (a^{2} x^{2} + 1\right )\right )^{\frac{3}{2}} \left (a^{2} x^{2} + 1\right )^{\frac{3}{2}}}\, 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 \frac{{\left (i \, a x + 1\right )}^{3}}{{\left (a^{2} c x^{2} + c\right )}^{\frac{3}{2}}{\left (a^{2} x^{2} + 1\right )}^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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