Optimal. Leaf size=301 \[ -\frac{2 a^{9/4} c^{5/2} \left (\sqrt{a}+\sqrt{b} x\right ) \sqrt{\frac{a+b x^2}{\left (\sqrt{a}+\sqrt{b} x\right )^2}} \text{EllipticF}\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{b} \sqrt{c x}}{\sqrt [4]{a} \sqrt{c}}\right ),\frac{1}{2}\right )}{15 b^{7/4} \sqrt{a+b x^2}}-\frac{4 a^2 c^2 \sqrt{c x} \sqrt{a+b x^2}}{15 b^{3/2} \left (\sqrt{a}+\sqrt{b} x\right )}+\frac{4 a^{9/4} c^{5/2} \left (\sqrt{a}+\sqrt{b} x\right ) \sqrt{\frac{a+b x^2}{\left (\sqrt{a}+\sqrt{b} x\right )^2}} E\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{b} \sqrt{c x}}{\sqrt [4]{a} \sqrt{c}}\right )|\frac{1}{2}\right )}{15 b^{7/4} \sqrt{a+b x^2}}+\frac{2 (c x)^{7/2} \sqrt{a+b x^2}}{9 c}+\frac{4 a c (c x)^{3/2} \sqrt{a+b x^2}}{45 b} \]
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Rubi [A] time = 0.229721, antiderivative size = 301, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 6, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.316, Rules used = {279, 321, 329, 305, 220, 1196} \[ -\frac{4 a^2 c^2 \sqrt{c x} \sqrt{a+b x^2}}{15 b^{3/2} \left (\sqrt{a}+\sqrt{b} x\right )}-\frac{2 a^{9/4} c^{5/2} \left (\sqrt{a}+\sqrt{b} x\right ) \sqrt{\frac{a+b x^2}{\left (\sqrt{a}+\sqrt{b} x\right )^2}} F\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{b} \sqrt{c x}}{\sqrt [4]{a} \sqrt{c}}\right )|\frac{1}{2}\right )}{15 b^{7/4} \sqrt{a+b x^2}}+\frac{4 a^{9/4} c^{5/2} \left (\sqrt{a}+\sqrt{b} x\right ) \sqrt{\frac{a+b x^2}{\left (\sqrt{a}+\sqrt{b} x\right )^2}} E\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{b} \sqrt{c x}}{\sqrt [4]{a} \sqrt{c}}\right )|\frac{1}{2}\right )}{15 b^{7/4} \sqrt{a+b x^2}}+\frac{2 (c x)^{7/2} \sqrt{a+b x^2}}{9 c}+\frac{4 a c (c x)^{3/2} \sqrt{a+b x^2}}{45 b} \]
Antiderivative was successfully verified.
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Rule 279
Rule 321
Rule 329
Rule 305
Rule 220
Rule 1196
Rubi steps
\begin{align*} \int (c x)^{5/2} \sqrt{a+b x^2} \, dx &=\frac{2 (c x)^{7/2} \sqrt{a+b x^2}}{9 c}+\frac{1}{9} (2 a) \int \frac{(c x)^{5/2}}{\sqrt{a+b x^2}} \, dx\\ &=\frac{4 a c (c x)^{3/2} \sqrt{a+b x^2}}{45 b}+\frac{2 (c x)^{7/2} \sqrt{a+b x^2}}{9 c}-\frac{\left (2 a^2 c^2\right ) \int \frac{\sqrt{c x}}{\sqrt{a+b x^2}} \, dx}{15 b}\\ &=\frac{4 a c (c x)^{3/2} \sqrt{a+b x^2}}{45 b}+\frac{2 (c x)^{7/2} \sqrt{a+b x^2}}{9 c}-\frac{\left (4 a^2 c\right ) \operatorname{Subst}\left (\int \frac{x^2}{\sqrt{a+\frac{b x^4}{c^2}}} \, dx,x,\sqrt{c x}\right )}{15 b}\\ &=\frac{4 a c (c x)^{3/2} \sqrt{a+b x^2}}{45 b}+\frac{2 (c x)^{7/2} \sqrt{a+b x^2}}{9 c}-\frac{\left (4 a^{5/2} c^2\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{a+\frac{b x^4}{c^2}}} \, dx,x,\sqrt{c x}\right )}{15 b^{3/2}}+\frac{\left (4 a^{5/2} c^2\right ) \operatorname{Subst}\left (\int \frac{1-\frac{\sqrt{b} x^2}{\sqrt{a} c}}{\sqrt{a+\frac{b x^4}{c^2}}} \, dx,x,\sqrt{c x}\right )}{15 b^{3/2}}\\ &=\frac{4 a c (c x)^{3/2} \sqrt{a+b x^2}}{45 b}+\frac{2 (c x)^{7/2} \sqrt{a+b x^2}}{9 c}-\frac{4 a^2 c^2 \sqrt{c x} \sqrt{a+b x^2}}{15 b^{3/2} \left (\sqrt{a}+\sqrt{b} x\right )}+\frac{4 a^{9/4} c^{5/2} \left (\sqrt{a}+\sqrt{b} x\right ) \sqrt{\frac{a+b x^2}{\left (\sqrt{a}+\sqrt{b} x\right )^2}} E\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{b} \sqrt{c x}}{\sqrt [4]{a} \sqrt{c}}\right )|\frac{1}{2}\right )}{15 b^{7/4} \sqrt{a+b x^2}}-\frac{2 a^{9/4} c^{5/2} \left (\sqrt{a}+\sqrt{b} x\right ) \sqrt{\frac{a+b x^2}{\left (\sqrt{a}+\sqrt{b} x\right )^2}} F\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{b} \sqrt{c x}}{\sqrt [4]{a} \sqrt{c}}\right )|\frac{1}{2}\right )}{15 b^{7/4} \sqrt{a+b x^2}}\\ \end{align*}
Mathematica [C] time = 0.0459954, size = 85, normalized size = 0.28 \[ \frac{2 c (c x)^{3/2} \sqrt{a+b x^2} \left (\left (a+b x^2\right ) \sqrt{\frac{b x^2}{a}+1}-a \, _2F_1\left (-\frac{1}{2},\frac{3}{4};\frac{7}{4};-\frac{b x^2}{a}\right )\right )}{9 b \sqrt{\frac{b x^2}{a}+1}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.02, size = 221, normalized size = 0.7 \begin{align*} -{\frac{2\,{c}^{2}}{45\,{b}^{2}x}\sqrt{cx} \left ( -5\,{b}^{3}{x}^{6}+6\,\sqrt{{\frac{bx+\sqrt{-ab}}{\sqrt{-ab}}}}\sqrt{2}\sqrt{{\frac{-bx+\sqrt{-ab}}{\sqrt{-ab}}}}\sqrt{-{\frac{bx}{\sqrt{-ab}}}}{\it EllipticE} \left ( \sqrt{{\frac{bx+\sqrt{-ab}}{\sqrt{-ab}}}},1/2\,\sqrt{2} \right ){a}^{3}-3\,\sqrt{{\frac{bx+\sqrt{-ab}}{\sqrt{-ab}}}}\sqrt{2}\sqrt{{\frac{-bx+\sqrt{-ab}}{\sqrt{-ab}}}}\sqrt{-{\frac{bx}{\sqrt{-ab}}}}{\it EllipticF} \left ( \sqrt{{\frac{bx+\sqrt{-ab}}{\sqrt{-ab}}}},1/2\,\sqrt{2} \right ){a}^{3}-7\,a{b}^{2}{x}^{4}-2\,{a}^{2}b{x}^{2} \right ){\frac{1}{\sqrt{b{x}^{2}+a}}}} \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 \sqrt{b x^{2} + a} \left (c x\right )^{\frac{5}{2}}\,{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 (\sqrt{b x^{2} + a} \sqrt{c x} c^{2} x^{2}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 52.4007, size = 46, normalized size = 0.15 \begin{align*} \frac{\sqrt{a} c^{\frac{5}{2}} x^{\frac{7}{2}} \Gamma \left (\frac{7}{4}\right ){{}_{2}F_{1}\left (\begin{matrix} - \frac{1}{2}, \frac{7}{4} \\ \frac{11}{4} \end{matrix}\middle |{\frac{b x^{2} e^{i \pi }}{a}} \right )}}{2 \Gamma \left (\frac{11}{4}\right )} \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 \sqrt{b x^{2} + a} \left (c x\right )^{\frac{5}{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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