Optimal. Leaf size=65 \[ \frac{3 a^2 \tanh ^{-1}\left (\frac{\sqrt{c} x}{\sqrt{a+c x^2}}\right )}{8 \sqrt{c}}+\frac{3}{8} a x \sqrt{a+c x^2}+\frac{1}{4} x \left (a+c x^2\right )^{3/2} \]
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Rubi [A] time = 0.0143466, antiderivative size = 65, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.273, Rules used = {195, 217, 206} \[ \frac{3 a^2 \tanh ^{-1}\left (\frac{\sqrt{c} x}{\sqrt{a+c x^2}}\right )}{8 \sqrt{c}}+\frac{3}{8} a x \sqrt{a+c x^2}+\frac{1}{4} x \left (a+c x^2\right )^{3/2} \]
Antiderivative was successfully verified.
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Rule 195
Rule 217
Rule 206
Rubi steps
\begin{align*} \int \left (a+c x^2\right )^{3/2} \, dx &=\frac{1}{4} x \left (a+c x^2\right )^{3/2}+\frac{1}{4} (3 a) \int \sqrt{a+c x^2} \, dx\\ &=\frac{3}{8} a x \sqrt{a+c x^2}+\frac{1}{4} x \left (a+c x^2\right )^{3/2}+\frac{1}{8} \left (3 a^2\right ) \int \frac{1}{\sqrt{a+c x^2}} \, dx\\ &=\frac{3}{8} a x \sqrt{a+c x^2}+\frac{1}{4} x \left (a+c x^2\right )^{3/2}+\frac{1}{8} \left (3 a^2\right ) \operatorname{Subst}\left (\int \frac{1}{1-c x^2} \, dx,x,\frac{x}{\sqrt{a+c x^2}}\right )\\ &=\frac{3}{8} a x \sqrt{a+c x^2}+\frac{1}{4} x \left (a+c x^2\right )^{3/2}+\frac{3 a^2 \tanh ^{-1}\left (\frac{\sqrt{c} x}{\sqrt{a+c x^2}}\right )}{8 \sqrt{c}}\\ \end{align*}
Mathematica [A] time = 0.0888968, size = 65, normalized size = 1. \[ \frac{1}{8} \sqrt{a+c x^2} \left (\frac{3 a^{3/2} \sinh ^{-1}\left (\frac{\sqrt{c} x}{\sqrt{a}}\right )}{\sqrt{c} \sqrt{\frac{c x^2}{a}+1}}+5 a x+2 c x^3\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.051, size = 51, normalized size = 0.8 \begin{align*}{\frac{x}{4} \left ( c{x}^{2}+a \right ) ^{{\frac{3}{2}}}}+{\frac{3\,ax}{8}\sqrt{c{x}^{2}+a}}+{\frac{3\,{a}^{2}}{8}\ln \left ( x\sqrt{c}+\sqrt{c{x}^{2}+a} \right ){\frac{1}{\sqrt{c}}}} \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: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.36263, size = 294, normalized size = 4.52 \begin{align*} \left [\frac{3 \, a^{2} \sqrt{c} \log \left (-2 \, c x^{2} - 2 \, \sqrt{c x^{2} + a} \sqrt{c} x - a\right ) + 2 \,{\left (2 \, c^{2} x^{3} + 5 \, a c x\right )} \sqrt{c x^{2} + a}}{16 \, c}, -\frac{3 \, a^{2} \sqrt{-c} \arctan \left (\frac{\sqrt{-c} x}{\sqrt{c x^{2} + a}}\right ) -{\left (2 \, c^{2} x^{3} + 5 \, a c x\right )} \sqrt{c x^{2} + a}}{8 \, c}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 3.8631, size = 70, normalized size = 1.08 \begin{align*} \frac{5 a^{\frac{3}{2}} x \sqrt{1 + \frac{c x^{2}}{a}}}{8} + \frac{\sqrt{a} c x^{3} \sqrt{1 + \frac{c x^{2}}{a}}}{4} + \frac{3 a^{2} \operatorname{asinh}{\left (\frac{\sqrt{c} x}{\sqrt{a}} \right )}}{8 \sqrt{c}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.22841, size = 66, normalized size = 1.02 \begin{align*} \frac{1}{8} \,{\left (2 \, c x^{2} + 5 \, a\right )} \sqrt{c x^{2} + a} x - \frac{3 \, a^{2} \log \left ({\left | -\sqrt{c} x + \sqrt{c x^{2} + a} \right |}\right )}{8 \, \sqrt{c}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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