Optimal. Leaf size=119 \[ \frac{a \left (4 c d^2-a e^2\right ) \tanh ^{-1}\left (\frac{\sqrt{c} x}{\sqrt{a+c x^2}}\right )}{8 c^{3/2}}+\frac{x \sqrt{a+c x^2} \left (4 c d^2-a e^2\right )}{8 c}+\frac{5 d e \left (a+c x^2\right )^{3/2}}{12 c}+\frac{e \left (a+c x^2\right )^{3/2} (d+e x)}{4 c} \]
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Rubi [A] time = 0.0537477, antiderivative size = 119, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.263, Rules used = {743, 641, 195, 217, 206} \[ \frac{a \left (4 c d^2-a e^2\right ) \tanh ^{-1}\left (\frac{\sqrt{c} x}{\sqrt{a+c x^2}}\right )}{8 c^{3/2}}+\frac{x \sqrt{a+c x^2} \left (4 c d^2-a e^2\right )}{8 c}+\frac{5 d e \left (a+c x^2\right )^{3/2}}{12 c}+\frac{e \left (a+c x^2\right )^{3/2} (d+e x)}{4 c} \]
Antiderivative was successfully verified.
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Rule 743
Rule 641
Rule 195
Rule 217
Rule 206
Rubi steps
\begin{align*} \int (d+e x)^2 \sqrt{a+c x^2} \, dx &=\frac{e (d+e x) \left (a+c x^2\right )^{3/2}}{4 c}+\frac{\int \left (4 c d^2-a e^2+5 c d e x\right ) \sqrt{a+c x^2} \, dx}{4 c}\\ &=\frac{5 d e \left (a+c x^2\right )^{3/2}}{12 c}+\frac{e (d+e x) \left (a+c x^2\right )^{3/2}}{4 c}+\frac{\left (4 c d^2-a e^2\right ) \int \sqrt{a+c x^2} \, dx}{4 c}\\ &=\frac{\left (4 c d^2-a e^2\right ) x \sqrt{a+c x^2}}{8 c}+\frac{5 d e \left (a+c x^2\right )^{3/2}}{12 c}+\frac{e (d+e x) \left (a+c x^2\right )^{3/2}}{4 c}+\frac{\left (a \left (4 c d^2-a e^2\right )\right ) \int \frac{1}{\sqrt{a+c x^2}} \, dx}{8 c}\\ &=\frac{\left (4 c d^2-a e^2\right ) x \sqrt{a+c x^2}}{8 c}+\frac{5 d e \left (a+c x^2\right )^{3/2}}{12 c}+\frac{e (d+e x) \left (a+c x^2\right )^{3/2}}{4 c}+\frac{\left (a \left (4 c d^2-a e^2\right )\right ) \operatorname{Subst}\left (\int \frac{1}{1-c x^2} \, dx,x,\frac{x}{\sqrt{a+c x^2}}\right )}{8 c}\\ &=\frac{\left (4 c d^2-a e^2\right ) x \sqrt{a+c x^2}}{8 c}+\frac{5 d e \left (a+c x^2\right )^{3/2}}{12 c}+\frac{e (d+e x) \left (a+c x^2\right )^{3/2}}{4 c}+\frac{a \left (4 c d^2-a e^2\right ) \tanh ^{-1}\left (\frac{\sqrt{c} x}{\sqrt{a+c x^2}}\right )}{8 c^{3/2}}\\ \end{align*}
Mathematica [A] time = 0.0637657, size = 99, normalized size = 0.83 \[ \frac{\sqrt{c} \sqrt{a+c x^2} \left (a e (16 d+3 e x)+2 c x \left (6 d^2+8 d e x+3 e^2 x^2\right )\right )-3 a \left (a e^2-4 c d^2\right ) \log \left (\sqrt{c} \sqrt{a+c x^2}+c x\right )}{24 c^{3/2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.048, size = 122, normalized size = 1. \begin{align*}{\frac{{e}^{2}x}{4\,c} \left ( c{x}^{2}+a \right ) ^{{\frac{3}{2}}}}-{\frac{a{e}^{2}x}{8\,c}\sqrt{c{x}^{2}+a}}-{\frac{{a}^{2}{e}^{2}}{8}\ln \left ( x\sqrt{c}+\sqrt{c{x}^{2}+a} \right ){c}^{-{\frac{3}{2}}}}+{\frac{2\,de}{3\,c} \left ( c{x}^{2}+a \right ) ^{{\frac{3}{2}}}}+{\frac{{d}^{2}x}{2}\sqrt{c{x}^{2}+a}}+{\frac{a{d}^{2}}{2}\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 = 2.51873, size = 491, normalized size = 4.13 \begin{align*} \left [-\frac{3 \,{\left (4 \, a c d^{2} - a^{2} e^{2}\right )} \sqrt{c} \log \left (-2 \, c x^{2} + 2 \, \sqrt{c x^{2} + a} \sqrt{c} x - a\right ) - 2 \,{\left (6 \, c^{2} e^{2} x^{3} + 16 \, c^{2} d e x^{2} + 16 \, a c d e + 3 \,{\left (4 \, c^{2} d^{2} + a c e^{2}\right )} x\right )} \sqrt{c x^{2} + a}}{48 \, c^{2}}, -\frac{3 \,{\left (4 \, a c d^{2} - a^{2} e^{2}\right )} \sqrt{-c} \arctan \left (\frac{\sqrt{-c} x}{\sqrt{c x^{2} + a}}\right ) -{\left (6 \, c^{2} e^{2} x^{3} + 16 \, c^{2} d e x^{2} + 16 \, a c d e + 3 \,{\left (4 \, c^{2} d^{2} + a c e^{2}\right )} x\right )} \sqrt{c x^{2} + a}}{24 \, c^{2}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 6.08902, size = 184, normalized size = 1.55 \begin{align*} \frac{a^{\frac{3}{2}} e^{2} x}{8 c \sqrt{1 + \frac{c x^{2}}{a}}} + \frac{\sqrt{a} d^{2} x \sqrt{1 + \frac{c x^{2}}{a}}}{2} + \frac{3 \sqrt{a} e^{2} x^{3}}{8 \sqrt{1 + \frac{c x^{2}}{a}}} - \frac{a^{2} e^{2} \operatorname{asinh}{\left (\frac{\sqrt{c} x}{\sqrt{a}} \right )}}{8 c^{\frac{3}{2}}} + \frac{a d^{2} \operatorname{asinh}{\left (\frac{\sqrt{c} x}{\sqrt{a}} \right )}}{2 \sqrt{c}} + 2 d e \left (\begin{cases} \frac{\sqrt{a} x^{2}}{2} & \text{for}\: c = 0 \\\frac{\left (a + c x^{2}\right )^{\frac{3}{2}}}{3 c} & \text{otherwise} \end{cases}\right ) + \frac{c e^{2} x^{5}}{4 \sqrt{a} \sqrt{1 + \frac{c x^{2}}{a}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.30097, size = 130, normalized size = 1.09 \begin{align*} \frac{1}{24} \, \sqrt{c x^{2} + a}{\left ({\left (2 \,{\left (3 \, x e^{2} + 8 \, d e\right )} x + \frac{3 \,{\left (4 \, c^{2} d^{2} + a c e^{2}\right )}}{c^{2}}\right )} x + \frac{16 \, a d e}{c}\right )} - \frac{{\left (4 \, a c d^{2} - a^{2} e^{2}\right )} \log \left ({\left | -\sqrt{c} x + \sqrt{c x^{2} + a} \right |}\right )}{8 \, c^{\frac{3}{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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