Optimal. Leaf size=93 \[ \frac{c \tan ^{-1}\left (\frac{x^2 \sqrt{b c-a d}}{\sqrt{a} \sqrt{c+d x^4}}\right )}{4 \sqrt{a} (b c-a d)^{3/2}}-\frac{x^2 \sqrt{c+d x^4}}{4 \left (a+b x^4\right ) (b c-a d)} \]
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Rubi [A] time = 0.0915647, antiderivative size = 93, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.208, Rules used = {465, 471, 12, 377, 205} \[ \frac{c \tan ^{-1}\left (\frac{x^2 \sqrt{b c-a d}}{\sqrt{a} \sqrt{c+d x^4}}\right )}{4 \sqrt{a} (b c-a d)^{3/2}}-\frac{x^2 \sqrt{c+d x^4}}{4 \left (a+b x^4\right ) (b c-a d)} \]
Antiderivative was successfully verified.
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Rule 465
Rule 471
Rule 12
Rule 377
Rule 205
Rubi steps
\begin{align*} \int \frac{x^5}{\left (a+b x^4\right )^2 \sqrt{c+d x^4}} \, dx &=\frac{1}{2} \operatorname{Subst}\left (\int \frac{x^2}{\left (a+b x^2\right )^2 \sqrt{c+d x^2}} \, dx,x,x^2\right )\\ &=-\frac{x^2 \sqrt{c+d x^4}}{4 (b c-a d) \left (a+b x^4\right )}+\frac{\operatorname{Subst}\left (\int \frac{c}{\left (a+b x^2\right ) \sqrt{c+d x^2}} \, dx,x,x^2\right )}{4 (b c-a d)}\\ &=-\frac{x^2 \sqrt{c+d x^4}}{4 (b c-a d) \left (a+b x^4\right )}+\frac{c \operatorname{Subst}\left (\int \frac{1}{\left (a+b x^2\right ) \sqrt{c+d x^2}} \, dx,x,x^2\right )}{4 (b c-a d)}\\ &=-\frac{x^2 \sqrt{c+d x^4}}{4 (b c-a d) \left (a+b x^4\right )}+\frac{c \operatorname{Subst}\left (\int \frac{1}{a-(-b c+a d) x^2} \, dx,x,\frac{x^2}{\sqrt{c+d x^4}}\right )}{4 (b c-a d)}\\ &=-\frac{x^2 \sqrt{c+d x^4}}{4 (b c-a d) \left (a+b x^4\right )}+\frac{c \tan ^{-1}\left (\frac{\sqrt{b c-a d} x^2}{\sqrt{a} \sqrt{c+d x^4}}\right )}{4 \sqrt{a} (b c-a d)^{3/2}}\\ \end{align*}
Mathematica [A] time = 0.445674, size = 124, normalized size = 1.33 \[ \frac{\sqrt{c+d x^4} \left (-\frac{x^4 (b c-a d)}{a+b x^4}-\frac{c \sqrt{x^4 \left (\frac{d}{c}-\frac{b}{a}\right )} \tanh ^{-1}\left (\frac{\sqrt{x^4 \left (\frac{d}{c}-\frac{b}{a}\right )}}{\sqrt{\frac{d x^4}{c}+1}}\right )}{\sqrt{\frac{d x^4}{c}+1}}\right )}{4 x^2 (b c-a d)^2} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.01, size = 861, normalized size = 9.3 \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{x^{5}}{{\left (b x^{4} + a\right )}^{2} \sqrt{d x^{4} + c}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.58216, size = 883, normalized size = 9.49 \begin{align*} \left [-\frac{4 \, \sqrt{d x^{4} + c}{\left (a b c - a^{2} d\right )} x^{2} -{\left (b c x^{4} + a c\right )} \sqrt{-a b c + a^{2} d} \log \left (\frac{{\left (b^{2} c^{2} - 8 \, a b c d + 8 \, a^{2} d^{2}\right )} x^{8} - 2 \,{\left (3 \, a b c^{2} - 4 \, a^{2} c d\right )} x^{4} + a^{2} c^{2} + 4 \,{\left ({\left (b c - 2 \, a d\right )} x^{6} - a c x^{2}\right )} \sqrt{d x^{4} + c} \sqrt{-a b c + a^{2} d}}{b^{2} x^{8} + 2 \, a b x^{4} + a^{2}}\right )}{16 \,{\left (a^{2} b^{2} c^{2} - 2 \, a^{3} b c d + a^{4} d^{2} +{\left (a b^{3} c^{2} - 2 \, a^{2} b^{2} c d + a^{3} b d^{2}\right )} x^{4}\right )}}, -\frac{2 \, \sqrt{d x^{4} + c}{\left (a b c - a^{2} d\right )} x^{2} -{\left (b c x^{4} + a c\right )} \sqrt{a b c - a^{2} d} \arctan \left (\frac{{\left ({\left (b c - 2 \, a d\right )} x^{4} - a c\right )} \sqrt{d x^{4} + c} \sqrt{a b c - a^{2} d}}{2 \,{\left ({\left (a b c d - a^{2} d^{2}\right )} x^{6} +{\left (a b c^{2} - a^{2} c d\right )} x^{2}\right )}}\right )}{8 \,{\left (a^{2} b^{2} c^{2} - 2 \, a^{3} b c d + a^{4} d^{2} +{\left (a b^{3} c^{2} - 2 \, a^{2} b^{2} c d + a^{3} b d^{2}\right )} x^{4}\right )}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [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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Giac [A] time = 1.2533, size = 124, normalized size = 1.33 \begin{align*} -\frac{1}{4} \, c{\left (\frac{\arctan \left (\frac{a \sqrt{d + \frac{c}{x^{4}}}}{\sqrt{a b c - a^{2} d}}\right )}{\sqrt{a b c - a^{2} d}{\left (b c - a d\right )}} + \frac{\sqrt{d + \frac{c}{x^{4}}}}{{\left (b c + a{\left (d + \frac{c}{x^{4}}\right )} - a d\right )}{\left (b c - a d\right )}}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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