Optimal. Leaf size=176 \[ \frac{10 b^{11/4} x \left (\sqrt{b}+\sqrt{c} x\right ) \sqrt{\frac{b+c x^2}{\left (\sqrt{b}+\sqrt{c} x\right )^2}} \text{EllipticF}\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{c} \sqrt{x}}{\sqrt [4]{b}}\right ),\frac{1}{2}\right )}{231 c^{9/4} \sqrt{b x^2+c x^4}}-\frac{20 b^2 \sqrt{b x^2+c x^4}}{231 c^2 \sqrt{x}}+\frac{2}{11} x^{7/2} \sqrt{b x^2+c x^4}+\frac{4 b x^{3/2} \sqrt{b x^2+c x^4}}{77 c} \]
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Rubi [A] time = 0.248887, antiderivative size = 176, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 5, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.238, Rules used = {2021, 2024, 2032, 329, 220} \[ -\frac{20 b^2 \sqrt{b x^2+c x^4}}{231 c^2 \sqrt{x}}+\frac{10 b^{11/4} x \left (\sqrt{b}+\sqrt{c} x\right ) \sqrt{\frac{b+c x^2}{\left (\sqrt{b}+\sqrt{c} x\right )^2}} F\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{c} \sqrt{x}}{\sqrt [4]{b}}\right )|\frac{1}{2}\right )}{231 c^{9/4} \sqrt{b x^2+c x^4}}+\frac{2}{11} x^{7/2} \sqrt{b x^2+c x^4}+\frac{4 b x^{3/2} \sqrt{b x^2+c x^4}}{77 c} \]
Antiderivative was successfully verified.
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Rule 2021
Rule 2024
Rule 2032
Rule 329
Rule 220
Rubi steps
\begin{align*} \int x^{5/2} \sqrt{b x^2+c x^4} \, dx &=\frac{2}{11} x^{7/2} \sqrt{b x^2+c x^4}+\frac{1}{11} (2 b) \int \frac{x^{9/2}}{\sqrt{b x^2+c x^4}} \, dx\\ &=\frac{4 b x^{3/2} \sqrt{b x^2+c x^4}}{77 c}+\frac{2}{11} x^{7/2} \sqrt{b x^2+c x^4}-\frac{\left (10 b^2\right ) \int \frac{x^{5/2}}{\sqrt{b x^2+c x^4}} \, dx}{77 c}\\ &=-\frac{20 b^2 \sqrt{b x^2+c x^4}}{231 c^2 \sqrt{x}}+\frac{4 b x^{3/2} \sqrt{b x^2+c x^4}}{77 c}+\frac{2}{11} x^{7/2} \sqrt{b x^2+c x^4}+\frac{\left (10 b^3\right ) \int \frac{\sqrt{x}}{\sqrt{b x^2+c x^4}} \, dx}{231 c^2}\\ &=-\frac{20 b^2 \sqrt{b x^2+c x^4}}{231 c^2 \sqrt{x}}+\frac{4 b x^{3/2} \sqrt{b x^2+c x^4}}{77 c}+\frac{2}{11} x^{7/2} \sqrt{b x^2+c x^4}+\frac{\left (10 b^3 x \sqrt{b+c x^2}\right ) \int \frac{1}{\sqrt{x} \sqrt{b+c x^2}} \, dx}{231 c^2 \sqrt{b x^2+c x^4}}\\ &=-\frac{20 b^2 \sqrt{b x^2+c x^4}}{231 c^2 \sqrt{x}}+\frac{4 b x^{3/2} \sqrt{b x^2+c x^4}}{77 c}+\frac{2}{11} x^{7/2} \sqrt{b x^2+c x^4}+\frac{\left (20 b^3 x \sqrt{b+c x^2}\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{b+c x^4}} \, dx,x,\sqrt{x}\right )}{231 c^2 \sqrt{b x^2+c x^4}}\\ &=-\frac{20 b^2 \sqrt{b x^2+c x^4}}{231 c^2 \sqrt{x}}+\frac{4 b x^{3/2} \sqrt{b x^2+c x^4}}{77 c}+\frac{2}{11} x^{7/2} \sqrt{b x^2+c x^4}+\frac{10 b^{11/4} x \left (\sqrt{b}+\sqrt{c} x\right ) \sqrt{\frac{b+c x^2}{\left (\sqrt{b}+\sqrt{c} x\right )^2}} F\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{c} \sqrt{x}}{\sqrt [4]{b}}\right )|\frac{1}{2}\right )}{231 c^{9/4} \sqrt{b x^2+c x^4}}\\ \end{align*}
Mathematica [C] time = 0.0586175, size = 102, normalized size = 0.58 \[ \frac{2 \sqrt{x^2 \left (b+c x^2\right )} \left (\sqrt{\frac{c x^2}{b}+1} \left (-5 b^2+2 b c x^2+7 c^2 x^4\right )+5 b^2 \, _2F_1\left (-\frac{1}{2},\frac{1}{4};\frac{5}{4};-\frac{c x^2}{b}\right )\right )}{77 c^2 \sqrt{x} \sqrt{\frac{c x^2}{b}+1}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.189, size = 157, normalized size = 0.9 \begin{align*}{\frac{2}{ \left ( 231\,c{x}^{2}+231\,b \right ){c}^{3}}\sqrt{c{x}^{4}+b{x}^{2}} \left ( 21\,{x}^{7}{c}^{4}+5\,{b}^{3}\sqrt{-bc}\sqrt{{\frac{cx+\sqrt{-bc}}{\sqrt{-bc}}}}\sqrt{2}\sqrt{{\frac{-cx+\sqrt{-bc}}{\sqrt{-bc}}}}\sqrt{-{\frac{cx}{\sqrt{-bc}}}}{\it EllipticF} \left ( \sqrt{{\frac{cx+\sqrt{-bc}}{\sqrt{-bc}}}},1/2\,\sqrt{2} \right ) +27\,{x}^{5}b{c}^{3}-4\,{b}^{2}{c}^{2}{x}^{3}-10\,x{b}^{3}c \right ){x}^{-{\frac{3}{2}}}} \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{c x^{4} + b x^{2}} x^{\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{c x^{4} + b x^{2}} x^{\frac{5}{2}}, 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 x^{\frac{5}{2}} \sqrt{x^{2} \left (b + c x^{2}\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 \sqrt{c x^{4} + b x^{2}} x^{\frac{5}{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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