Optimal. Leaf size=416 \[ -\frac{\left (3+\sqrt{5}\right )^{5/4} \log \left (2 x^2-2 \sqrt [4]{2 \left (3-\sqrt{5}\right )} x+\sqrt{2 \left (3-\sqrt{5}\right )}\right )}{8\ 2^{3/4} \sqrt{5}}+\frac{\left (3+\sqrt{5}\right )^{5/4} \log \left (2 x^2+2 \sqrt [4]{2 \left (3-\sqrt{5}\right )} x+\sqrt{2 \left (3-\sqrt{5}\right )}\right )}{8\ 2^{3/4} \sqrt{5}}+\frac{1}{40} \sqrt [4]{6150-2750 \sqrt{5}} \log \left (2 x^2-2 \sqrt [4]{2 \left (3+\sqrt{5}\right )} x+\sqrt{2 \left (3+\sqrt{5}\right )}\right )-\frac{1}{40} \sqrt [4]{6150-2750 \sqrt{5}} \log \left (2 x^2+2 \sqrt [4]{2 \left (3+\sqrt{5}\right )} x+\sqrt{2 \left (3+\sqrt{5}\right )}\right )-\frac{1}{x}+\frac{\left (3+\sqrt{5}\right )^{5/4} \tan ^{-1}\left (1-\frac{2^{3/4} x}{\sqrt [4]{3-\sqrt{5}}}\right )}{4\ 2^{3/4} \sqrt{5}}-\frac{\left (3+\sqrt{5}\right )^{5/4} \tan ^{-1}\left (\frac{2^{3/4} x}{\sqrt [4]{3-\sqrt{5}}}+1\right )}{4\ 2^{3/4} \sqrt{5}}-\frac{1}{20} \sqrt [4]{6150-2750 \sqrt{5}} \tan ^{-1}\left (1-\frac{2^{3/4} x}{\sqrt [4]{3+\sqrt{5}}}\right )+\frac{1}{20} \sqrt [4]{6150-2750 \sqrt{5}} \tan ^{-1}\left (\frac{2^{3/4} x}{\sqrt [4]{3+\sqrt{5}}}+1\right ) \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.285476, antiderivative size = 416, normalized size of antiderivative = 1., number of steps used = 20, number of rules used = 8, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.5, Rules used = {1368, 1510, 297, 1162, 617, 204, 1165, 628} \[ -\frac{\left (3+\sqrt{5}\right )^{5/4} \log \left (2 x^2-2 \sqrt [4]{2 \left (3-\sqrt{5}\right )} x+\sqrt{2 \left (3-\sqrt{5}\right )}\right )}{8\ 2^{3/4} \sqrt{5}}+\frac{\left (3+\sqrt{5}\right )^{5/4} \log \left (2 x^2+2 \sqrt [4]{2 \left (3-\sqrt{5}\right )} x+\sqrt{2 \left (3-\sqrt{5}\right )}\right )}{8\ 2^{3/4} \sqrt{5}}+\frac{1}{40} \sqrt [4]{6150-2750 \sqrt{5}} \log \left (2 x^2-2 \sqrt [4]{2 \left (3+\sqrt{5}\right )} x+\sqrt{2 \left (3+\sqrt{5}\right )}\right )-\frac{1}{40} \sqrt [4]{6150-2750 \sqrt{5}} \log \left (2 x^2+2 \sqrt [4]{2 \left (3+\sqrt{5}\right )} x+\sqrt{2 \left (3+\sqrt{5}\right )}\right )-\frac{1}{x}+\frac{\left (3+\sqrt{5}\right )^{5/4} \tan ^{-1}\left (1-\frac{2^{3/4} x}{\sqrt [4]{3-\sqrt{5}}}\right )}{4\ 2^{3/4} \sqrt{5}}-\frac{\left (3+\sqrt{5}\right )^{5/4} \tan ^{-1}\left (\frac{2^{3/4} x}{\sqrt [4]{3-\sqrt{5}}}+1\right )}{4\ 2^{3/4} \sqrt{5}}-\frac{1}{20} \sqrt [4]{6150-2750 \sqrt{5}} \tan ^{-1}\left (1-\frac{2^{3/4} x}{\sqrt [4]{3+\sqrt{5}}}\right )+\frac{1}{20} \sqrt [4]{6150-2750 \sqrt{5}} \tan ^{-1}\left (\frac{2^{3/4} x}{\sqrt [4]{3+\sqrt{5}}}+1\right ) \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 1368
Rule 1510
Rule 297
Rule 1162
Rule 617
Rule 204
Rule 1165
Rule 628
Rubi steps
\begin{align*} \int \frac{1}{x^2 \left (1+3 x^4+x^8\right )} \, dx &=-\frac{1}{x}+\int \frac{x^2 \left (-3-x^4\right )}{1+3 x^4+x^8} \, dx\\ &=-\frac{1}{x}+\frac{1}{10} \left (-5+3 \sqrt{5}\right ) \int \frac{x^2}{\frac{3}{2}+\frac{\sqrt{5}}{2}+x^4} \, dx-\frac{1}{10} \left (5+3 \sqrt{5}\right ) \int \frac{x^2}{\frac{3}{2}-\frac{\sqrt{5}}{2}+x^4} \, dx\\ &=-\frac{1}{x}-\frac{\left (3-\sqrt{5}\right ) \int \frac{\sqrt{3+\sqrt{5}}-\sqrt{2} x^2}{\frac{3}{2}+\frac{\sqrt{5}}{2}+x^4} \, dx}{4 \sqrt{10}}+\frac{\left (3-\sqrt{5}\right ) \int \frac{\sqrt{3+\sqrt{5}}+\sqrt{2} x^2}{\frac{3}{2}+\frac{\sqrt{5}}{2}+x^4} \, dx}{4 \sqrt{10}}+\frac{\left (3+\sqrt{5}\right ) \int \frac{\sqrt{3-\sqrt{5}}-\sqrt{2} x^2}{\frac{3}{2}-\frac{\sqrt{5}}{2}+x^4} \, dx}{4 \sqrt{10}}-\frac{\left (3+\sqrt{5}\right ) \int \frac{\sqrt{3-\sqrt{5}}+\sqrt{2} x^2}{\frac{3}{2}-\frac{\sqrt{5}}{2}+x^4} \, dx}{4 \sqrt{10}}\\ &=-\frac{1}{x}-\frac{\left (3+\sqrt{5}\right )^{5/4} \int \frac{\sqrt [4]{2 \left (3-\sqrt{5}\right )}+2 x}{-\sqrt{\frac{1}{2} \left (3-\sqrt{5}\right )}-\sqrt [4]{2 \left (3-\sqrt{5}\right )} x-x^2} \, dx}{8\ 2^{3/4} \sqrt{5}}-\frac{\left (3+\sqrt{5}\right )^{5/4} \int \frac{\sqrt [4]{2 \left (3-\sqrt{5}\right )}-2 x}{-\sqrt{\frac{1}{2} \left (3-\sqrt{5}\right )}+\sqrt [4]{2 \left (3-\sqrt{5}\right )} x-x^2} \, dx}{8\ 2^{3/4} \sqrt{5}}+\frac{\left (3-\sqrt{5}\right ) \int \frac{\sqrt [4]{2 \left (3+\sqrt{5}\right )}+2 x}{-\sqrt{\frac{1}{2} \left (3+\sqrt{5}\right )}-\sqrt [4]{2 \left (3+\sqrt{5}\right )} x-x^2} \, dx}{8 \sqrt{5} \sqrt [4]{2 \left (3+\sqrt{5}\right )}}+\frac{\left (3-\sqrt{5}\right ) \int \frac{\sqrt [4]{2 \left (3+\sqrt{5}\right )}-2 x}{-\sqrt{\frac{1}{2} \left (3+\sqrt{5}\right )}+\sqrt [4]{2 \left (3+\sqrt{5}\right )} x-x^2} \, dx}{8 \sqrt{5} \sqrt [4]{2 \left (3+\sqrt{5}\right )}}+\frac{1}{40} \left (-5+3 \sqrt{5}\right ) \int \frac{1}{\sqrt{\frac{1}{2} \left (3+\sqrt{5}\right )}-\sqrt [4]{2 \left (3+\sqrt{5}\right )} x+x^2} \, dx+\frac{1}{40} \left (-5+3 \sqrt{5}\right ) \int \frac{1}{\sqrt{\frac{1}{2} \left (3+\sqrt{5}\right )}+\sqrt [4]{2 \left (3+\sqrt{5}\right )} x+x^2} \, dx-\frac{1}{40} \left (5+3 \sqrt{5}\right ) \int \frac{1}{\sqrt{\frac{1}{2} \left (3-\sqrt{5}\right )}-\sqrt [4]{2 \left (3-\sqrt{5}\right )} x+x^2} \, dx-\frac{1}{40} \left (5+3 \sqrt{5}\right ) \int \frac{1}{\sqrt{\frac{1}{2} \left (3-\sqrt{5}\right )}+\sqrt [4]{2 \left (3-\sqrt{5}\right )} x+x^2} \, dx\\ &=-\frac{1}{x}-\frac{\left (3+\sqrt{5}\right )^{5/4} \log \left (\sqrt{2 \left (3-\sqrt{5}\right )}-2 \sqrt [4]{2 \left (3-\sqrt{5}\right )} x+2 x^2\right )}{8\ 2^{3/4} \sqrt{5}}+\frac{\left (3+\sqrt{5}\right )^{5/4} \log \left (\sqrt{2 \left (3-\sqrt{5}\right )}+2 \sqrt [4]{2 \left (3-\sqrt{5}\right )} x+2 x^2\right )}{8\ 2^{3/4} \sqrt{5}}+\frac{1}{40} \sqrt [4]{6150-2750 \sqrt{5}} \log \left (\sqrt{2 \left (3+\sqrt{5}\right )}-2 \sqrt [4]{2 \left (3+\sqrt{5}\right )} x+2 x^2\right )-\frac{1}{40} \sqrt [4]{6150-2750 \sqrt{5}} \log \left (\sqrt{2 \left (3+\sqrt{5}\right )}+2 \sqrt [4]{2 \left (3+\sqrt{5}\right )} x+2 x^2\right )+-\frac{\left (-5-3 \sqrt{5}\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1+\frac{2^{3/4} x}{\sqrt [4]{3-\sqrt{5}}}\right )}{20 \sqrt [4]{2 \left (3-\sqrt{5}\right )}}+\frac{\left (5-3 \sqrt{5}\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1+\frac{2^{3/4} x}{\sqrt [4]{3+\sqrt{5}}}\right )}{20 \sqrt [4]{2 \left (3+\sqrt{5}\right )}}+\frac{\left (-5+3 \sqrt{5}\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1-\frac{2^{3/4} x}{\sqrt [4]{3+\sqrt{5}}}\right )}{20 \sqrt [4]{2 \left (3+\sqrt{5}\right )}}-\frac{\left (5+3 \sqrt{5}\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1-\frac{2^{3/4} x}{\sqrt [4]{3-\sqrt{5}}}\right )}{20 \sqrt [4]{2 \left (3-\sqrt{5}\right )}}\\ &=-\frac{1}{x}+\frac{\sqrt [4]{246+110 \sqrt{5}} \tan ^{-1}\left (1-\frac{2^{3/4} x}{\sqrt [4]{3-\sqrt{5}}}\right )}{4 \sqrt{5}}-\frac{\sqrt [4]{246+110 \sqrt{5}} \tan ^{-1}\left (1+\frac{2^{3/4} x}{\sqrt [4]{3-\sqrt{5}}}\right )}{4 \sqrt{5}}-\frac{1}{20} \sqrt [4]{6150-2750 \sqrt{5}} \tan ^{-1}\left (1-\frac{2^{3/4} x}{\sqrt [4]{3+\sqrt{5}}}\right )+\frac{\sqrt [4]{246-110 \sqrt{5}} \tan ^{-1}\left (1+\frac{2^{3/4} x}{\sqrt [4]{3+\sqrt{5}}}\right )}{4 \sqrt{5}}-\frac{\left (3+\sqrt{5}\right )^{5/4} \log \left (\sqrt{2 \left (3-\sqrt{5}\right )}-2 \sqrt [4]{2 \left (3-\sqrt{5}\right )} x+2 x^2\right )}{8\ 2^{3/4} \sqrt{5}}+\frac{\left (3+\sqrt{5}\right )^{5/4} \log \left (\sqrt{2 \left (3-\sqrt{5}\right )}+2 \sqrt [4]{2 \left (3-\sqrt{5}\right )} x+2 x^2\right )}{8\ 2^{3/4} \sqrt{5}}+\frac{1}{40} \sqrt [4]{6150-2750 \sqrt{5}} \log \left (\sqrt{2 \left (3+\sqrt{5}\right )}-2 \sqrt [4]{2 \left (3+\sqrt{5}\right )} x+2 x^2\right )-\frac{1}{40} \sqrt [4]{6150-2750 \sqrt{5}} \log \left (\sqrt{2 \left (3+\sqrt{5}\right )}+2 \sqrt [4]{2 \left (3+\sqrt{5}\right )} x+2 x^2\right )\\ \end{align*}
Mathematica [C] time = 0.0166801, size = 61, normalized size = 0.15 \[ -\frac{1}{4} \text{RootSum}\left [\text{$\#$1}^8+3 \text{$\#$1}^4+1\& ,\frac{\text{$\#$1}^4 \log (x-\text{$\#$1})+3 \log (x-\text{$\#$1})}{2 \text{$\#$1}^5+3 \text{$\#$1}}\& \right ]-\frac{1}{x} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [C] time = 0.009, size = 52, normalized size = 0.1 \begin{align*} -{\frac{1}{4}\sum _{{\it \_R}={\it RootOf} \left ({{\it \_Z}}^{8}+3\,{{\it \_Z}}^{4}+1 \right ) }{\frac{ \left ({{\it \_R}}^{6}+3\,{{\it \_R}}^{2} \right ) \ln \left ( x-{\it \_R} \right ) }{2\,{{\it \_R}}^{7}+3\,{{\it \_R}}^{3}}}}-{x}^{-1} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} -\frac{1}{x} - \int \frac{x^{6} + 3 \, x^{2}}{x^{8} + 3 \, x^{4} + 1}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [B] time = 1.85182, size = 3545, normalized size = 8.52 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A] time = 1.24525, size = 32, normalized size = 0.08 \begin{align*} \operatorname{RootSum}{\left (40960000 t^{8} + 787200 t^{4} + 1, \left ( t \mapsto t \log{\left (\frac{19251200 t^{7}}{11} + \frac{369792 t^{3}}{11} + x \right )} \right )\right )} - \frac{1}{x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A] time = 1.32929, size = 348, normalized size = 0.84 \begin{align*} \frac{1}{40} \,{\left (i - 1\right )} \sqrt{25 \, \sqrt{5} - 55} \log \left (865 \,{\left (i + 1\right )} x + 865 \, i \sqrt{\sqrt{5} + 1}\right ) - \frac{1}{40} \,{\left (i - 1\right )} \sqrt{25 \, \sqrt{5} - 55} \log \left (865 \,{\left (i + 1\right )} x - 865 \, i \sqrt{\sqrt{5} + 1}\right ) - \frac{1}{40} \,{\left (i + 1\right )} \sqrt{25 \, \sqrt{5} - 55} \log \left (865 \,{\left (i + 1\right )} x + 865 \, \sqrt{\sqrt{5} + 1}\right ) + \frac{1}{40} \,{\left (i + 1\right )} \sqrt{25 \, \sqrt{5} - 55} \log \left (865 \,{\left (i + 1\right )} x - 865 \, \sqrt{\sqrt{5} + 1}\right ) - \frac{1}{40} \,{\left (i - 1\right )} \sqrt{25 \, \sqrt{5} + 55} \log \left (425 \,{\left (i + 1\right )} x + 425 \, i \sqrt{\sqrt{5} - 1}\right ) + \frac{1}{40} \,{\left (i - 1\right )} \sqrt{25 \, \sqrt{5} + 55} \log \left (425 \,{\left (i + 1\right )} x - 425 \, i \sqrt{\sqrt{5} - 1}\right ) + \frac{1}{40} \,{\left (i + 1\right )} \sqrt{25 \, \sqrt{5} + 55} \log \left (425 \,{\left (i + 1\right )} x + 425 \, \sqrt{\sqrt{5} - 1}\right ) - \frac{1}{40} \,{\left (i + 1\right )} \sqrt{25 \, \sqrt{5} + 55} \log \left (425 \,{\left (i + 1\right )} x - 425 \, \sqrt{\sqrt{5} - 1}\right ) - \frac{1}{x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]