Optimal. Leaf size=281 \[ \frac{3}{112} \left (7+11 i \sqrt{7}\right ) \log \left (4 i x^2+\left (-\sqrt{7}+i\right ) x+4 i\right )+\frac{3}{112} \left (7-11 i \sqrt{7}\right ) \log \left (4 i x^2+\left (\sqrt{7}+i\right ) x+4 i\right )-\frac{35+9 i \sqrt{7}}{28 x}-\frac{35-9 i \sqrt{7}}{28 x}-\frac{3}{56} \left (7+11 i \sqrt{7}\right ) \log (x)-\frac{3}{56} \left (7-11 i \sqrt{7}\right ) \log (x)+\frac{11 \left (9+5 i \sqrt{7}\right ) \tanh ^{-1}\left (\frac{8 i x-\sqrt{7}+i}{\sqrt{2 \left (35-i \sqrt{7}\right )}}\right )}{4 \sqrt{14 \left (35-i \sqrt{7}\right )}}-\frac{11 \left (9-5 i \sqrt{7}\right ) \tanh ^{-1}\left (\frac{8 i x+\sqrt{7}+i}{\sqrt{2 \left (35+i \sqrt{7}\right )}}\right )}{4 \sqrt{14 \left (35+i \sqrt{7}\right )}} \]
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Rubi [A] time = 0.467315, antiderivative size = 281, normalized size of antiderivative = 1., number of steps used = 13, number of rules used = 6, integrand size = 35, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.171, Rules used = {2087, 800, 634, 618, 206, 628} \[ \frac{3}{112} \left (7+11 i \sqrt{7}\right ) \log \left (4 i x^2+\left (-\sqrt{7}+i\right ) x+4 i\right )+\frac{3}{112} \left (7-11 i \sqrt{7}\right ) \log \left (4 i x^2+\left (\sqrt{7}+i\right ) x+4 i\right )-\frac{35+9 i \sqrt{7}}{28 x}-\frac{35-9 i \sqrt{7}}{28 x}-\frac{3}{56} \left (7+11 i \sqrt{7}\right ) \log (x)-\frac{3}{56} \left (7-11 i \sqrt{7}\right ) \log (x)+\frac{11 \left (9+5 i \sqrt{7}\right ) \tanh ^{-1}\left (\frac{8 i x-\sqrt{7}+i}{\sqrt{2 \left (35-i \sqrt{7}\right )}}\right )}{4 \sqrt{14 \left (35-i \sqrt{7}\right )}}-\frac{11 \left (9-5 i \sqrt{7}\right ) \tanh ^{-1}\left (\frac{8 i x+\sqrt{7}+i}{\sqrt{2 \left (35+i \sqrt{7}\right )}}\right )}{4 \sqrt{14 \left (35+i \sqrt{7}\right )}} \]
Antiderivative was successfully verified.
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Rule 2087
Rule 800
Rule 634
Rule 618
Rule 206
Rule 628
Rubi steps
\begin{align*} \int \frac{5+x+3 x^2+2 x^3}{x^2 \left (2+x+5 x^2+x^3+2 x^4\right )} \, dx &=\frac{i \int \frac{9-5 i \sqrt{7}+\left (10-2 i \sqrt{7}\right ) x}{x^2 \left (4+\left (1-i \sqrt{7}\right ) x+4 x^2\right )} \, dx}{\sqrt{7}}-\frac{i \int \frac{9+5 i \sqrt{7}+\left (10+2 i \sqrt{7}\right ) x}{x^2 \left (4+\left (1+i \sqrt{7}\right ) x+4 x^2\right )} \, dx}{\sqrt{7}}\\ &=-\frac{i \int \left (\frac{9+5 i \sqrt{7}}{4 x^2}+\frac{3 \left (11-i \sqrt{7}\right )}{8 x}+\frac{-7 \left (9 i-5 \sqrt{7}\right )-6 \left (11 i+\sqrt{7}\right ) x}{4 \left (4 i+\left (i-\sqrt{7}\right ) x+4 i x^2\right )}\right ) \, dx}{\sqrt{7}}+\frac{i \int \left (\frac{9-5 i \sqrt{7}}{4 x^2}+\frac{3 \left (11+i \sqrt{7}\right )}{8 x}+\frac{-7 \left (9 i+5 \sqrt{7}\right )-6 \left (11 i-\sqrt{7}\right ) x}{4 \left (4 i+\left (i+\sqrt{7}\right ) x+4 i x^2\right )}\right ) \, dx}{\sqrt{7}}\\ &=-\frac{35-9 i \sqrt{7}}{28 x}-\frac{35+9 i \sqrt{7}}{28 x}-\frac{3}{56} \left (7-11 i \sqrt{7}\right ) \log (x)-\frac{3}{56} \left (7+11 i \sqrt{7}\right ) \log (x)-\frac{i \int \frac{-7 \left (9 i-5 \sqrt{7}\right )-6 \left (11 i+\sqrt{7}\right ) x}{4 i+\left (i-\sqrt{7}\right ) x+4 i x^2} \, dx}{4 \sqrt{7}}+\frac{i \int \frac{-7 \left (9 i+5 \sqrt{7}\right )-6 \left (11 i-\sqrt{7}\right ) x}{4 i+\left (i+\sqrt{7}\right ) x+4 i x^2} \, dx}{4 \sqrt{7}}\\ &=-\frac{35-9 i \sqrt{7}}{28 x}-\frac{35+9 i \sqrt{7}}{28 x}-\frac{3}{56} \left (7-11 i \sqrt{7}\right ) \log (x)-\frac{3}{56} \left (7+11 i \sqrt{7}\right ) \log (x)-\frac{1}{56} \left (11 \left (35 i-9 \sqrt{7}\right )\right ) \int \frac{1}{4 i+\left (i+\sqrt{7}\right ) x+4 i x^2} \, dx+\frac{1}{112} \left (3 \left (7-11 i \sqrt{7}\right )\right ) \int \frac{i+\sqrt{7}+8 i x}{4 i+\left (i+\sqrt{7}\right ) x+4 i x^2} \, dx+\frac{1}{112} \left (3 \left (7+11 i \sqrt{7}\right )\right ) \int \frac{i-\sqrt{7}+8 i x}{4 i+\left (i-\sqrt{7}\right ) x+4 i x^2} \, dx-\frac{1}{56} \left (11 \left (35 i+9 \sqrt{7}\right )\right ) \int \frac{1}{4 i+\left (i-\sqrt{7}\right ) x+4 i x^2} \, dx\\ &=-\frac{35-9 i \sqrt{7}}{28 x}-\frac{35+9 i \sqrt{7}}{28 x}-\frac{3}{56} \left (7-11 i \sqrt{7}\right ) \log (x)-\frac{3}{56} \left (7+11 i \sqrt{7}\right ) \log (x)+\frac{3}{112} \left (7+11 i \sqrt{7}\right ) \log \left (4 i+\left (i-\sqrt{7}\right ) x+4 i x^2\right )+\frac{3}{112} \left (7-11 i \sqrt{7}\right ) \log \left (4 i+\left (i+\sqrt{7}\right ) x+4 i x^2\right )+\frac{1}{28} \left (11 \left (35 i-9 \sqrt{7}\right )\right ) \operatorname{Subst}\left (\int \frac{1}{2 \left (35+i \sqrt{7}\right )-x^2} \, dx,x,i+\sqrt{7}+8 i x\right )+\frac{1}{28} \left (11 \left (35 i+9 \sqrt{7}\right )\right ) \operatorname{Subst}\left (\int \frac{1}{2 \left (35-i \sqrt{7}\right )-x^2} \, dx,x,i-\sqrt{7}+8 i x\right )\\ &=-\frac{35-9 i \sqrt{7}}{28 x}-\frac{35+9 i \sqrt{7}}{28 x}+\frac{11 \left (9+5 i \sqrt{7}\right ) \tanh ^{-1}\left (\frac{i-\sqrt{7}+8 i x}{\sqrt{2 \left (35-i \sqrt{7}\right )}}\right )}{4 \sqrt{14 \left (35-i \sqrt{7}\right )}}-\frac{11 \left (9-5 i \sqrt{7}\right ) \tanh ^{-1}\left (\frac{i+\sqrt{7}+8 i x}{\sqrt{2 \left (35+i \sqrt{7}\right )}}\right )}{4 \sqrt{14 \left (35+i \sqrt{7}\right )}}-\frac{3}{56} \left (7-11 i \sqrt{7}\right ) \log (x)-\frac{3}{56} \left (7+11 i \sqrt{7}\right ) \log (x)+\frac{3}{112} \left (7+11 i \sqrt{7}\right ) \log \left (4 i+\left (i-\sqrt{7}\right ) x+4 i x^2\right )+\frac{3}{112} \left (7-11 i \sqrt{7}\right ) \log \left (4 i+\left (i+\sqrt{7}\right ) x+4 i x^2\right )\\ \end{align*}
Mathematica [C] time = 0.0188368, size = 109, normalized size = 0.39 \[ \frac{1}{4} \text{RootSum}\left [2 \text{$\#$1}^4+\text{$\#$1}^3+5 \text{$\#$1}^2+\text{$\#$1}+2\& ,\frac{6 \text{$\#$1}^3 \log (x-\text{$\#$1})-17 \text{$\#$1}^2 \log (x-\text{$\#$1})+13 \text{$\#$1} \log (x-\text{$\#$1})-35 \log (x-\text{$\#$1})}{8 \text{$\#$1}^3+3 \text{$\#$1}^2+10 \text{$\#$1}+1}\& \right ]-\frac{5}{2 x}-\frac{3 \log (x)}{4} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.008, size = 72, normalized size = 0.3 \begin{align*} -{\frac{5}{2\,x}}-{\frac{3\,\ln \left ( x \right ) }{4}}+{\frac{1}{4}\sum _{{\it \_R}={\it RootOf} \left ( 2\,{{\it \_Z}}^{4}+{{\it \_Z}}^{3}+5\,{{\it \_Z}}^{2}+{\it \_Z}+2 \right ) }{\frac{ \left ( 6\,{{\it \_R}}^{3}-17\,{{\it \_R}}^{2}+13\,{\it \_R}-35 \right ) \ln \left ( x-{\it \_R} \right ) }{8\,{{\it \_R}}^{3}+3\,{{\it \_R}}^{2}+10\,{\it \_R}+1}}} \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*} -\frac{5}{2 \, x} + \frac{1}{4} \, \int \frac{6 \, x^{3} - 17 \, x^{2} + 13 \, x - 35}{2 \, x^{4} + x^{3} + 5 \, x^{2} + x + 2}\,{d x} - \frac{3}{4} \, \log \left (x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 9.74885, size = 5700, normalized size = 20.28 \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 = 2.41469, size = 65, normalized size = 0.23 \begin{align*} - \frac{3 \log{\left (x \right )}}{4} + \operatorname{RootSum}{\left (1372 t^{4} - 1029 t^{3} + 3136 t^{2} + 2688 t + 512, \left ( t \mapsto t \log{\left (- \frac{506797249 t^{4}}{34947704} + \frac{21584647 t^{3}}{4368463} - \frac{14969669687 t^{2}}{559163264} - \frac{282513301 t}{6354128} + x - \frac{101471979}{8736926} \right )} \right )\right )} - \frac{5}{2 x} \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{2 \, x^{3} + 3 \, x^{2} + x + 5}{{\left (2 \, x^{4} + x^{3} + 5 \, x^{2} + x + 2\right )} x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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