Optimal. Leaf size=376 \[ -\frac{\sqrt [4]{c} \left (\sqrt{a}+\sqrt{c} x^2\right ) \sqrt{\frac{a+b x^2+c x^4}{\left (\sqrt{a}+\sqrt{c} x^2\right )^2}} \left (\sqrt{a} A \sqrt{c}-3 a B+2 A b\right ) \text{EllipticF}\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{c} x}{\sqrt [4]{a}}\right ),\frac{1}{4} \left (2-\frac{b}{\sqrt{a} \sqrt{c}}\right )\right )}{6 a^{7/4} \sqrt{a+b x^2+c x^4}}+\frac{(2 A b-3 a B) \sqrt{a+b x^2+c x^4}}{3 a^2 x}-\frac{\sqrt{c} x (2 A b-3 a B) \sqrt{a+b x^2+c x^4}}{3 a^2 \left (\sqrt{a}+\sqrt{c} x^2\right )}+\frac{\sqrt [4]{c} \left (\sqrt{a}+\sqrt{c} x^2\right ) (2 A b-3 a B) \sqrt{\frac{a+b x^2+c x^4}{\left (\sqrt{a}+\sqrt{c} x^2\right )^2}} E\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac{1}{4} \left (2-\frac{b}{\sqrt{a} \sqrt{c}}\right )\right )}{3 a^{7/4} \sqrt{a+b x^2+c x^4}}-\frac{A \sqrt{a+b x^2+c x^4}}{3 a x^3} \]
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Rubi [A] time = 0.227337, antiderivative size = 376, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 4, integrand size = 27, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.148, Rules used = {1281, 1197, 1103, 1195} \[ \frac{(2 A b-3 a B) \sqrt{a+b x^2+c x^4}}{3 a^2 x}-\frac{\sqrt{c} x (2 A b-3 a B) \sqrt{a+b x^2+c x^4}}{3 a^2 \left (\sqrt{a}+\sqrt{c} x^2\right )}-\frac{\sqrt [4]{c} \left (\sqrt{a}+\sqrt{c} x^2\right ) \sqrt{\frac{a+b x^2+c x^4}{\left (\sqrt{a}+\sqrt{c} x^2\right )^2}} \left (\sqrt{a} A \sqrt{c}-3 a B+2 A b\right ) F\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac{1}{4} \left (2-\frac{b}{\sqrt{a} \sqrt{c}}\right )\right )}{6 a^{7/4} \sqrt{a+b x^2+c x^4}}+\frac{\sqrt [4]{c} \left (\sqrt{a}+\sqrt{c} x^2\right ) (2 A b-3 a B) \sqrt{\frac{a+b x^2+c x^4}{\left (\sqrt{a}+\sqrt{c} x^2\right )^2}} E\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac{1}{4} \left (2-\frac{b}{\sqrt{a} \sqrt{c}}\right )\right )}{3 a^{7/4} \sqrt{a+b x^2+c x^4}}-\frac{A \sqrt{a+b x^2+c x^4}}{3 a x^3} \]
Antiderivative was successfully verified.
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Rule 1281
Rule 1197
Rule 1103
Rule 1195
Rubi steps
\begin{align*} \int \frac{A+B x^2}{x^4 \sqrt{a+b x^2+c x^4}} \, dx &=-\frac{A \sqrt{a+b x^2+c x^4}}{3 a x^3}-\frac{\int \frac{2 A b-3 a B+A c x^2}{x^2 \sqrt{a+b x^2+c x^4}} \, dx}{3 a}\\ &=-\frac{A \sqrt{a+b x^2+c x^4}}{3 a x^3}+\frac{(2 A b-3 a B) \sqrt{a+b x^2+c x^4}}{3 a^2 x}+\frac{\int \frac{-a A c-(2 A b-3 a B) c x^2}{\sqrt{a+b x^2+c x^4}} \, dx}{3 a^2}\\ &=-\frac{A \sqrt{a+b x^2+c x^4}}{3 a x^3}+\frac{(2 A b-3 a B) \sqrt{a+b x^2+c x^4}}{3 a^2 x}+\frac{\left ((2 A b-3 a B) \sqrt{c}\right ) \int \frac{1-\frac{\sqrt{c} x^2}{\sqrt{a}}}{\sqrt{a+b x^2+c x^4}} \, dx}{3 a^{3/2}}-\frac{\left (\left (2 A b-3 a B+\sqrt{a} A \sqrt{c}\right ) \sqrt{c}\right ) \int \frac{1}{\sqrt{a+b x^2+c x^4}} \, dx}{3 a^{3/2}}\\ &=-\frac{A \sqrt{a+b x^2+c x^4}}{3 a x^3}+\frac{(2 A b-3 a B) \sqrt{a+b x^2+c x^4}}{3 a^2 x}-\frac{(2 A b-3 a B) \sqrt{c} x \sqrt{a+b x^2+c x^4}}{3 a^2 \left (\sqrt{a}+\sqrt{c} x^2\right )}+\frac{(2 A b-3 a B) \sqrt [4]{c} \left (\sqrt{a}+\sqrt{c} x^2\right ) \sqrt{\frac{a+b x^2+c x^4}{\left (\sqrt{a}+\sqrt{c} x^2\right )^2}} E\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac{1}{4} \left (2-\frac{b}{\sqrt{a} \sqrt{c}}\right )\right )}{3 a^{7/4} \sqrt{a+b x^2+c x^4}}-\frac{\left (2 A b-3 a B+\sqrt{a} A \sqrt{c}\right ) \sqrt [4]{c} \left (\sqrt{a}+\sqrt{c} x^2\right ) \sqrt{\frac{a+b x^2+c x^4}{\left (\sqrt{a}+\sqrt{c} x^2\right )^2}} F\left (2 \tan ^{-1}\left (\frac{\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac{1}{4} \left (2-\frac{b}{\sqrt{a} \sqrt{c}}\right )\right )}{6 a^{7/4} \sqrt{a+b x^2+c x^4}}\\ \end{align*}
Mathematica [C] time = 0.695821, size = 373, normalized size = 0.99 \[ \frac{-\frac{4 \left (a+b x^2+c x^4\right ) \left (a \left (A+3 B x^2\right )-2 A b x^2\right )}{x^3}+\frac{i \sqrt{2} \sqrt{\frac{\sqrt{b^2-4 a c}+b+2 c x^2}{\sqrt{b^2-4 a c}+b}} \sqrt{\frac{2 c x^2}{b-\sqrt{b^2-4 a c}}+1} \left (\left (2 A \left (b \sqrt{b^2-4 a c}+a c-b^2\right )+3 a B \left (b-\sqrt{b^2-4 a c}\right )\right ) \text{EllipticF}\left (i \sinh ^{-1}\left (\sqrt{2} x \sqrt{\frac{c}{\sqrt{b^2-4 a c}+b}}\right ),\frac{\sqrt{b^2-4 a c}+b}{b-\sqrt{b^2-4 a c}}\right )-\left (\sqrt{b^2-4 a c}-b\right ) (2 A b-3 a B) E\left (i \sinh ^{-1}\left (\sqrt{2} \sqrt{\frac{c}{b+\sqrt{b^2-4 a c}}} x\right )|\frac{b+\sqrt{b^2-4 a c}}{b-\sqrt{b^2-4 a c}}\right )\right )}{\sqrt{\frac{c}{\sqrt{b^2-4 a c}+b}}}}{12 a^2 \sqrt{a+b x^2+c x^4}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.018, size = 656, normalized size = 1.7 \begin{align*} \text{result too large to display} \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 \frac{B x^{2} + A}{\sqrt{c x^{4} + b x^{2} + a} x^{4}}\,{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 (\frac{\sqrt{c x^{4} + b x^{2} + a}{\left (B x^{2} + A\right )}}{c x^{8} + b x^{6} + a x^{4}}, 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 \frac{A + B x^{2}}{x^{4} \sqrt{a + b x^{2} + c x^{4}}}\, 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{B x^{2} + A}{\sqrt{c x^{4} + b x^{2} + a} x^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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