Optimal. Leaf size=349 \[ -\frac{\left (-2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{c} x+\sqrt{a}+\sqrt{c} x^2\right )}{16 \sqrt{2} a^{7/4} c^{5/4}}+\frac{\left (-2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{c} x+\sqrt{a}+\sqrt{c} x^2\right )}{16 \sqrt{2} a^{7/4} c^{5/4}}-\frac{\left (2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{c} x}{\sqrt [4]{a}}\right )}{8 \sqrt{2} a^{7/4} c^{5/4}}+\frac{\left (2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{c} x}{\sqrt [4]{a}}+1\right )}{8 \sqrt{2} a^{7/4} c^{5/4}}+\frac{x \left (a e^2+3 c d^2+6 c d e x^2\right )}{12 a c \left (a+c x^4\right )}-\frac{e^2 x}{3 c \left (a+c x^4\right )} \]
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Rubi [A] time = 0.312522, antiderivative size = 349, normalized size of antiderivative = 1., number of steps used = 11, number of rules used = 8, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.421, Rules used = {1207, 1179, 1168, 1162, 617, 204, 1165, 628} \[ -\frac{\left (-2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{c} x+\sqrt{a}+\sqrt{c} x^2\right )}{16 \sqrt{2} a^{7/4} c^{5/4}}+\frac{\left (-2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{c} x+\sqrt{a}+\sqrt{c} x^2\right )}{16 \sqrt{2} a^{7/4} c^{5/4}}-\frac{\left (2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{c} x}{\sqrt [4]{a}}\right )}{8 \sqrt{2} a^{7/4} c^{5/4}}+\frac{\left (2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{c} x}{\sqrt [4]{a}}+1\right )}{8 \sqrt{2} a^{7/4} c^{5/4}}+\frac{x \left (a e^2+3 c d^2+6 c d e x^2\right )}{12 a c \left (a+c x^4\right )}-\frac{e^2 x}{3 c \left (a+c x^4\right )} \]
Antiderivative was successfully verified.
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Rule 1207
Rule 1179
Rule 1168
Rule 1162
Rule 617
Rule 204
Rule 1165
Rule 628
Rubi steps
\begin{align*} \int \frac{\left (d+e x^2\right )^2}{\left (a+c x^4\right )^2} \, dx &=-\frac{e^2 x}{3 c \left (a+c x^4\right )}-\frac{\int \frac{-3 c d^2-a e^2-6 c d e x^2}{\left (a+c x^4\right )^2} \, dx}{3 c}\\ &=-\frac{e^2 x}{3 c \left (a+c x^4\right )}+\frac{x \left (3 c d^2+a e^2+6 c d e x^2\right )}{12 a c \left (a+c x^4\right )}+\frac{\int \frac{3 \left (3 c d^2+a e^2\right )+6 c d e x^2}{a+c x^4} \, dx}{12 a c}\\ &=-\frac{e^2 x}{3 c \left (a+c x^4\right )}+\frac{x \left (3 c d^2+a e^2+6 c d e x^2\right )}{12 a c \left (a+c x^4\right )}+\frac{\left (3 c d^2-2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \int \frac{\sqrt{a} \sqrt{c}-c x^2}{a+c x^4} \, dx}{8 a^{3/2} c^{3/2}}+\frac{\left (3 c d^2+2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \int \frac{\sqrt{a} \sqrt{c}+c x^2}{a+c x^4} \, dx}{8 a^{3/2} c^{3/2}}\\ &=-\frac{e^2 x}{3 c \left (a+c x^4\right )}+\frac{x \left (3 c d^2+a e^2+6 c d e x^2\right )}{12 a c \left (a+c x^4\right )}-\frac{\left (3 c d^2-2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \int \frac{\frac{\sqrt{2} \sqrt [4]{a}}{\sqrt [4]{c}}+2 x}{-\frac{\sqrt{a}}{\sqrt{c}}-\frac{\sqrt{2} \sqrt [4]{a} x}{\sqrt [4]{c}}-x^2} \, dx}{16 \sqrt{2} a^{7/4} c^{5/4}}-\frac{\left (3 c d^2-2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \int \frac{\frac{\sqrt{2} \sqrt [4]{a}}{\sqrt [4]{c}}-2 x}{-\frac{\sqrt{a}}{\sqrt{c}}+\frac{\sqrt{2} \sqrt [4]{a} x}{\sqrt [4]{c}}-x^2} \, dx}{16 \sqrt{2} a^{7/4} c^{5/4}}+\frac{\left (3 c d^2+2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \int \frac{1}{\frac{\sqrt{a}}{\sqrt{c}}-\frac{\sqrt{2} \sqrt [4]{a} x}{\sqrt [4]{c}}+x^2} \, dx}{16 a^{3/2} c^{3/2}}+\frac{\left (3 c d^2+2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \int \frac{1}{\frac{\sqrt{a}}{\sqrt{c}}+\frac{\sqrt{2} \sqrt [4]{a} x}{\sqrt [4]{c}}+x^2} \, dx}{16 a^{3/2} c^{3/2}}\\ &=-\frac{e^2 x}{3 c \left (a+c x^4\right )}+\frac{x \left (3 c d^2+a e^2+6 c d e x^2\right )}{12 a c \left (a+c x^4\right )}-\frac{\left (3 c d^2-2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \log \left (\sqrt{a}-\sqrt{2} \sqrt [4]{a} \sqrt [4]{c} x+\sqrt{c} x^2\right )}{16 \sqrt{2} a^{7/4} c^{5/4}}+\frac{\left (3 c d^2-2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \log \left (\sqrt{a}+\sqrt{2} \sqrt [4]{a} \sqrt [4]{c} x+\sqrt{c} x^2\right )}{16 \sqrt{2} a^{7/4} c^{5/4}}+\frac{\left (3 c d^2+2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1-\frac{\sqrt{2} \sqrt [4]{c} x}{\sqrt [4]{a}}\right )}{8 \sqrt{2} a^{7/4} c^{5/4}}-\frac{\left (3 c d^2+2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1+\frac{\sqrt{2} \sqrt [4]{c} x}{\sqrt [4]{a}}\right )}{8 \sqrt{2} a^{7/4} c^{5/4}}\\ &=-\frac{e^2 x}{3 c \left (a+c x^4\right )}+\frac{x \left (3 c d^2+a e^2+6 c d e x^2\right )}{12 a c \left (a+c x^4\right )}-\frac{\left (3 c d^2+2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{c} x}{\sqrt [4]{a}}\right )}{8 \sqrt{2} a^{7/4} c^{5/4}}+\frac{\left (3 c d^2+2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \tan ^{-1}\left (1+\frac{\sqrt{2} \sqrt [4]{c} x}{\sqrt [4]{a}}\right )}{8 \sqrt{2} a^{7/4} c^{5/4}}-\frac{\left (3 c d^2-2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \log \left (\sqrt{a}-\sqrt{2} \sqrt [4]{a} \sqrt [4]{c} x+\sqrt{c} x^2\right )}{16 \sqrt{2} a^{7/4} c^{5/4}}+\frac{\left (3 c d^2-2 \sqrt{a} \sqrt{c} d e+a e^2\right ) \log \left (\sqrt{a}+\sqrt{2} \sqrt [4]{a} \sqrt [4]{c} x+\sqrt{c} x^2\right )}{16 \sqrt{2} a^{7/4} c^{5/4}}\\ \end{align*}
Mathematica [A] time = 0.171625, size = 295, normalized size = 0.85 \[ \frac{-\frac{8 a^{3/4} \sqrt [4]{c} \left (a e^2 x-c d x \left (d+2 e x^2\right )\right )}{a+c x^4}-\sqrt{2} \left (-2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{c} x+\sqrt{a}+\sqrt{c} x^2\right )+\sqrt{2} \left (-2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{c} x+\sqrt{a}+\sqrt{c} x^2\right )-2 \sqrt{2} \left (2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{c} x}{\sqrt [4]{a}}\right )+2 \sqrt{2} \left (2 \sqrt{a} \sqrt{c} d e+a e^2+3 c d^2\right ) \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{c} x}{\sqrt [4]{a}}+1\right )}{32 a^{7/4} c^{5/4}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.052, size = 464, normalized size = 1.3 \begin{align*}{\frac{1}{c{x}^{4}+a} \left ({\frac{de{x}^{3}}{2\,a}}-{\frac{ \left ( a{e}^{2}-c{d}^{2} \right ) x}{4\,ac}} \right ) }+{\frac{\sqrt{2}{e}^{2}}{16\,ac}\sqrt [4]{{\frac{a}{c}}}\arctan \left ({x\sqrt{2}{\frac{1}{\sqrt [4]{{\frac{a}{c}}}}}}-1 \right ) }+{\frac{3\,\sqrt{2}{d}^{2}}{16\,{a}^{2}}\sqrt [4]{{\frac{a}{c}}}\arctan \left ({x\sqrt{2}{\frac{1}{\sqrt [4]{{\frac{a}{c}}}}}}-1 \right ) }+{\frac{\sqrt{2}{e}^{2}}{32\,ac}\sqrt [4]{{\frac{a}{c}}}\ln \left ({ \left ({x}^{2}+\sqrt [4]{{\frac{a}{c}}}x\sqrt{2}+\sqrt{{\frac{a}{c}}} \right ) \left ({x}^{2}-\sqrt [4]{{\frac{a}{c}}}x\sqrt{2}+\sqrt{{\frac{a}{c}}} \right ) ^{-1}} \right ) }+{\frac{3\,\sqrt{2}{d}^{2}}{32\,{a}^{2}}\sqrt [4]{{\frac{a}{c}}}\ln \left ({ \left ({x}^{2}+\sqrt [4]{{\frac{a}{c}}}x\sqrt{2}+\sqrt{{\frac{a}{c}}} \right ) \left ({x}^{2}-\sqrt [4]{{\frac{a}{c}}}x\sqrt{2}+\sqrt{{\frac{a}{c}}} \right ) ^{-1}} \right ) }+{\frac{\sqrt{2}{e}^{2}}{16\,ac}\sqrt [4]{{\frac{a}{c}}}\arctan \left ({x\sqrt{2}{\frac{1}{\sqrt [4]{{\frac{a}{c}}}}}}+1 \right ) }+{\frac{3\,\sqrt{2}{d}^{2}}{16\,{a}^{2}}\sqrt [4]{{\frac{a}{c}}}\arctan \left ({x\sqrt{2}{\frac{1}{\sqrt [4]{{\frac{a}{c}}}}}}+1 \right ) }+{\frac{de\sqrt{2}}{16\,ac}\ln \left ({ \left ({x}^{2}-\sqrt [4]{{\frac{a}{c}}}x\sqrt{2}+\sqrt{{\frac{a}{c}}} \right ) \left ({x}^{2}+\sqrt [4]{{\frac{a}{c}}}x\sqrt{2}+\sqrt{{\frac{a}{c}}} \right ) ^{-1}} \right ){\frac{1}{\sqrt [4]{{\frac{a}{c}}}}}}+{\frac{de\sqrt{2}}{8\,ac}\arctan \left ({x\sqrt{2}{\frac{1}{\sqrt [4]{{\frac{a}{c}}}}}}+1 \right ){\frac{1}{\sqrt [4]{{\frac{a}{c}}}}}}+{\frac{de\sqrt{2}}{8\,ac}\arctan \left ({x\sqrt{2}{\frac{1}{\sqrt [4]{{\frac{a}{c}}}}}}-1 \right ){\frac{1}{\sqrt [4]{{\frac{a}{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 [B] time = 2.92838, size = 3308, normalized size = 9.48 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 2.12239, size = 275, normalized size = 0.79 \begin{align*} \operatorname{RootSum}{\left (65536 t^{4} a^{7} c^{5} + t^{2} \left (2048 a^{5} c^{3} d e^{3} + 6144 a^{4} c^{4} d^{3} e\right ) + a^{4} e^{8} + 20 a^{3} c d^{2} e^{6} + 118 a^{2} c^{2} d^{4} e^{4} + 180 a c^{3} d^{6} e^{2} + 81 c^{4} d^{8}, \left ( t \mapsto t \log{\left (x + \frac{- 8192 t^{3} a^{6} c^{4} d e + 16 t a^{5} c e^{6} - 48 t a^{4} c^{2} d^{2} e^{4} - 144 t a^{3} c^{3} d^{4} e^{2} + 432 t a^{2} c^{4} d^{6}}{a^{4} e^{8} + 12 a^{3} c d^{2} e^{6} + 38 a^{2} c^{2} d^{4} e^{4} + 108 a c^{3} d^{6} e^{2} + 81 c^{4} d^{8}} \right )} \right )\right )} + \frac{2 c d e x^{3} + x \left (- a e^{2} + c d^{2}\right )}{4 a^{2} c + 4 a c^{2} x^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.13706, size = 497, normalized size = 1.42 \begin{align*} \frac{2 \, c d x^{3} e + c d^{2} x - a x e^{2}}{4 \,{\left (c x^{4} + a\right )} a c} + \frac{\sqrt{2}{\left (3 \, \left (a c^{3}\right )^{\frac{1}{4}} c^{2} d^{2} + \left (a c^{3}\right )^{\frac{1}{4}} a c e^{2} + 2 \, \left (a c^{3}\right )^{\frac{3}{4}} d e\right )} \arctan \left (\frac{\sqrt{2}{\left (2 \, x - \sqrt{2} \left (\frac{a}{c}\right )^{\frac{1}{4}}\right )}}{2 \, \left (\frac{a}{c}\right )^{\frac{1}{4}}}\right )}{16 \, a^{2} c^{3}} - \frac{\sqrt{2}{\left (3 \, \left (a c^{3}\right )^{\frac{1}{4}} c^{2} d^{2} + \left (a c^{3}\right )^{\frac{1}{4}} a c e^{2} - 2 \, \left (a c^{3}\right )^{\frac{3}{4}} d e\right )} \log \left (x^{2} - \sqrt{2} x \left (\frac{a}{c}\right )^{\frac{1}{4}} + \sqrt{\frac{a}{c}}\right )}{32 \, a^{2} c^{3}} + \frac{\sqrt{2}{\left (3 \, \left (a c^{3}\right )^{\frac{1}{4}} a c^{4} d^{2} + \left (a c^{3}\right )^{\frac{1}{4}} a^{2} c^{3} e^{2} + 2 \, \left (a c^{3}\right )^{\frac{3}{4}} a c^{2} d e\right )} \arctan \left (\frac{\sqrt{2}{\left (2 \, x + \sqrt{2} \left (\frac{a}{c}\right )^{\frac{1}{4}}\right )}}{2 \, \left (\frac{a}{c}\right )^{\frac{1}{4}}}\right )}{16 \, a^{3} c^{5}} + \frac{\sqrt{2}{\left (3 \, \left (a c^{3}\right )^{\frac{1}{4}} a c^{4} d^{2} + \left (a c^{3}\right )^{\frac{1}{4}} a^{2} c^{3} e^{2} - 2 \, \left (a c^{3}\right )^{\frac{3}{4}} a c^{2} d e\right )} \log \left (x^{2} + \sqrt{2} x \left (\frac{a}{c}\right )^{\frac{1}{4}} + \sqrt{\frac{a}{c}}\right )}{32 \, a^{3} c^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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