Optimal. Leaf size=349 \[ \frac{(x-1) \left (a+(x-1)^2+5\right )}{8 \left (a^2+7 a+12\right ) \left (a-(x-1)^4-2 (x-1)^2+3\right )^2}-\frac{3 \left (7 a^2+\left (4 \sqrt{a+4}+47\right ) a+14 \sqrt{a+4}+80\right ) \tan ^{-1}\left (\frac{x-1}{\sqrt{1-\sqrt{a+4}}}\right )}{64 (a+3)^2 (a+4)^{5/2} \sqrt{1-\sqrt{a+4}}}-\frac{3 \left (-\frac{7 a^2+47 a+80}{\sqrt{a+4}}+4 a+14\right ) \tan ^{-1}\left (\frac{x-1}{\sqrt{\sqrt{a+4}+1}}\right )}{64 (a+3)^2 (a+4)^2 \sqrt{\sqrt{a+4}+1}}+\frac{3 \left ((x-1)^2+1\right )}{16 (a+4)^2 \left (a-(x-1)^4-2 (x-1)^2+3\right )}+\frac{(x-1)^2+1}{8 (a+4) \left (a-(x-1)^4-2 (x-1)^2+3\right )^2}+\frac{(x-1) \left (6 (2 a+7) (x-1)^2+(a+6) (7 a+25)\right )}{32 (a+3)^2 (a+4)^2 \left (a-(x-1)^4-2 (x-1)^2+3\right )}+\frac{3 \tanh ^{-1}\left (\frac{(x-1)^2+1}{\sqrt{a+4}}\right )}{16 (a+4)^{5/2}} \]
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Rubi [A] time = 0.368768, antiderivative size = 349, normalized size of antiderivative = 1., number of steps used = 12, number of rules used = 10, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.417, Rules used = {1680, 1673, 1092, 1178, 1166, 204, 1107, 614, 618, 206} \[ \frac{(x-1) \left (a+(x-1)^2+5\right )}{8 \left (a^2+7 a+12\right ) \left (a-(x-1)^4-2 (x-1)^2+3\right )^2}-\frac{3 \left (7 a^2+\left (4 \sqrt{a+4}+47\right ) a+14 \sqrt{a+4}+80\right ) \tan ^{-1}\left (\frac{x-1}{\sqrt{1-\sqrt{a+4}}}\right )}{64 (a+3)^2 (a+4)^{5/2} \sqrt{1-\sqrt{a+4}}}-\frac{3 \left (-\frac{7 a^2+47 a+80}{\sqrt{a+4}}+4 a+14\right ) \tan ^{-1}\left (\frac{x-1}{\sqrt{\sqrt{a+4}+1}}\right )}{64 (a+3)^2 (a+4)^2 \sqrt{\sqrt{a+4}+1}}+\frac{3 \left ((x-1)^2+1\right )}{16 (a+4)^2 \left (a-(x-1)^4-2 (x-1)^2+3\right )}+\frac{(x-1)^2+1}{8 (a+4) \left (a-(x-1)^4-2 (x-1)^2+3\right )^2}+\frac{(x-1) \left (6 (2 a+7) (x-1)^2+(a+6) (7 a+25)\right )}{32 (a+3)^2 (a+4)^2 \left (a-(x-1)^4-2 (x-1)^2+3\right )}+\frac{3 \tanh ^{-1}\left (\frac{(x-1)^2+1}{\sqrt{a+4}}\right )}{16 (a+4)^{5/2}} \]
Antiderivative was successfully verified.
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Rule 1680
Rule 1673
Rule 1092
Rule 1178
Rule 1166
Rule 204
Rule 1107
Rule 614
Rule 618
Rule 206
Rubi steps
\begin{align*} \int \frac{x}{\left (a+8 x-8 x^2+4 x^3-x^4\right )^3} \, dx &=\operatorname{Subst}\left (\int \frac{1+x}{\left (3+a-2 x^2-x^4\right )^3} \, dx,x,-1+x\right )\\ &=\operatorname{Subst}\left (\int \frac{1}{\left (3+a-2 x^2-x^4\right )^3} \, dx,x,-1+x\right )+\operatorname{Subst}\left (\int \frac{x}{\left (3+a-2 x^2-x^4\right )^3} \, dx,x,-1+x\right )\\ &=\frac{\left (5+a+(-1+x)^2\right ) (-1+x)}{8 \left (12+7 a+a^2\right ) \left (3+a-2 (-1+x)^2-(-1+x)^4\right )^2}+\frac{1}{2} \operatorname{Subst}\left (\int \frac{1}{\left (3+a-2 x-x^2\right )^3} \, dx,x,(-1+x)^2\right )-\frac{\operatorname{Subst}\left (\int \frac{4+2 (3+a)-4 (4+4 (3+a))-10 x^2}{\left (3+a-2 x^2-x^4\right )^2} \, dx,x,-1+x\right )}{16 \left (12+7 a+a^2\right )}\\ &=\frac{1+(-1+x)^2}{8 (4+a) \left (3+a-2 (1-x)^2-(1-x)^4\right )^2}-\frac{\left ((6+a) (25+7 a)+6 (7+2 a) (1-x)^2\right ) (1-x)}{32 \left (12+7 a+a^2\right )^2 \left (3+a-2 (1-x)^2-(1-x)^4\right )}+\frac{\left (5+a+(-1+x)^2\right ) (-1+x)}{8 \left (12+7 a+a^2\right ) \left (3+a-2 (-1+x)^2-(-1+x)^4\right )^2}+\frac{3 \operatorname{Subst}\left (\int \frac{1}{\left (3+a-2 x-x^2\right )^2} \, dx,x,(-1+x)^2\right )}{8 (4+a)}+\frac{\operatorname{Subst}\left (\int \frac{12 \left (94+51 a+7 a^2\right )+24 (7+2 a) x^2}{3+a-2 x^2-x^4} \, dx,x,-1+x\right )}{128 \left (12+7 a+a^2\right )^2}\\ &=\frac{1+(-1+x)^2}{8 (4+a) \left (3+a-2 (1-x)^2-(1-x)^4\right )^2}+\frac{3 \left (1+(-1+x)^2\right )}{16 (4+a)^2 \left (3+a-2 (1-x)^2-(1-x)^4\right )}-\frac{\left ((6+a) (25+7 a)+6 (7+2 a) (1-x)^2\right ) (1-x)}{32 \left (12+7 a+a^2\right )^2 \left (3+a-2 (1-x)^2-(1-x)^4\right )}+\frac{\left (5+a+(-1+x)^2\right ) (-1+x)}{8 \left (12+7 a+a^2\right ) \left (3+a-2 (-1+x)^2-(-1+x)^4\right )^2}+\frac{3 \operatorname{Subst}\left (\int \frac{1}{3+a-2 x-x^2} \, dx,x,(-1+x)^2\right )}{16 (4+a)^2}+\frac{\left (3 \left (14+4 a-\frac{80+47 a+7 a^2}{\sqrt{4+a}}\right )\right ) \operatorname{Subst}\left (\int \frac{1}{-1-\sqrt{4+a}-x^2} \, dx,x,-1+x\right )}{64 \left (12+7 a+a^2\right )^2}+\frac{\left (3 \left (80+7 a^2+14 \sqrt{4+a}+a \left (47+4 \sqrt{4+a}\right )\right )\right ) \operatorname{Subst}\left (\int \frac{1}{-1+\sqrt{4+a}-x^2} \, dx,x,-1+x\right )}{64 \sqrt{4+a} \left (12+7 a+a^2\right )^2}\\ &=\frac{1+(-1+x)^2}{8 (4+a) \left (3+a-2 (1-x)^2-(1-x)^4\right )^2}+\frac{3 \left (1+(-1+x)^2\right )}{16 (4+a)^2 \left (3+a-2 (1-x)^2-(1-x)^4\right )}-\frac{\left ((6+a) (25+7 a)+6 (7+2 a) (1-x)^2\right ) (1-x)}{32 \left (12+7 a+a^2\right )^2 \left (3+a-2 (1-x)^2-(1-x)^4\right )}+\frac{\left (5+a+(-1+x)^2\right ) (-1+x)}{8 \left (12+7 a+a^2\right ) \left (3+a-2 (-1+x)^2-(-1+x)^4\right )^2}+\frac{3 \left (80+47 a+7 a^2+\sqrt{4+a} (14+4 a)\right ) \tan ^{-1}\left (\frac{1-x}{\sqrt{1-\sqrt{4+a}}}\right )}{64 (3+a)^2 (4+a)^{5/2} \sqrt{1-\sqrt{4+a}}}+\frac{3 \left (14+4 a-\frac{80+47 a+7 a^2}{\sqrt{4+a}}\right ) \tan ^{-1}\left (\frac{1-x}{\sqrt{1+\sqrt{4+a}}}\right )}{64 \left (12+7 a+a^2\right )^2 \sqrt{1+\sqrt{4+a}}}-\frac{3 \operatorname{Subst}\left (\int \frac{1}{4 (4+a)-x^2} \, dx,x,-2 \left (1+(-1+x)^2\right )\right )}{8 (4+a)^2}\\ &=\frac{1+(-1+x)^2}{8 (4+a) \left (3+a-2 (1-x)^2-(1-x)^4\right )^2}+\frac{3 \left (1+(-1+x)^2\right )}{16 (4+a)^2 \left (3+a-2 (1-x)^2-(1-x)^4\right )}-\frac{\left ((6+a) (25+7 a)+6 (7+2 a) (1-x)^2\right ) (1-x)}{32 \left (12+7 a+a^2\right )^2 \left (3+a-2 (1-x)^2-(1-x)^4\right )}+\frac{\left (5+a+(-1+x)^2\right ) (-1+x)}{8 \left (12+7 a+a^2\right ) \left (3+a-2 (-1+x)^2-(-1+x)^4\right )^2}+\frac{3 \left (80+47 a+7 a^2+\sqrt{4+a} (14+4 a)\right ) \tan ^{-1}\left (\frac{1-x}{\sqrt{1-\sqrt{4+a}}}\right )}{64 (3+a)^2 (4+a)^{5/2} \sqrt{1-\sqrt{4+a}}}+\frac{3 \left (14+4 a-\frac{80+47 a+7 a^2}{\sqrt{4+a}}\right ) \tan ^{-1}\left (\frac{1-x}{\sqrt{1+\sqrt{4+a}}}\right )}{64 \left (12+7 a+a^2\right )^2 \sqrt{1+\sqrt{4+a}}}+\frac{3 \tanh ^{-1}\left (\frac{1+(-1+x)^2}{\sqrt{4+a}}\right )}{16 (4+a)^{5/2}}\\ \end{align*}
Mathematica [C] time = 0.119132, size = 284, normalized size = 0.81 \[ \frac{1}{128} \left (-\frac{3 \text{RootSum}\left [-\text{$\#$1}^4+4 \text{$\#$1}^3-8 \text{$\#$1}^2+8 \text{$\#$1}+a\& ,\frac{4 \text{$\#$1}^2 a \log (x-\text{$\#$1})+14 \text{$\#$1}^2 \log (x-\text{$\#$1})+3 a^2 \log (x-\text{$\#$1})+4 \text{$\#$1} a^2 \log (x-\text{$\#$1})+31 a \log (x-\text{$\#$1})+16 \text{$\#$1} a \log (x-\text{$\#$1})+72 \log (x-\text{$\#$1})+8 \text{$\#$1} \log (x-\text{$\#$1})}{\text{$\#$1}^3-3 \text{$\#$1}^2+4 \text{$\#$1}-2}\& \right ]}{\left (a^2+7 a+12\right )^2}+\frac{4 \left (a^2 \left (6 x^2-5 x+5\right )+a \left (12 x^3+31 x-7\right )+6 \left (7 x^3-12 x^2+28 x-14\right )\right )}{(a+3)^2 (a+4)^2 \left (a-x \left (x^3-4 x^2+8 x-8\right )\right )}+\frac{16 \left (a x^2-a x+a+x^3+2 x\right )}{(a+3) (a+4) \left (a-x \left (x^3-4 x^2+8 x-8\right )\right )^2}\right ) \]
Antiderivative was successfully verified.
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Maple [C] time = 0.016, size = 405, normalized size = 1.2 \begin{align*} -{\frac{1}{ \left ({x}^{4}-4\,{x}^{3}+8\,{x}^{2}-a-8\,x \right ) ^{2}} \left ({\frac{ \left ( 6\,a+21 \right ){x}^{7}}{16\,{a}^{4}+224\,{a}^{3}+1168\,{a}^{2}+2688\,a+2304}}+{\frac{ \left ( 3\,{a}^{2}-24\,a-120 \right ){x}^{6}}{16\,{a}^{4}+224\,{a}^{3}+1168\,{a}^{2}+2688\,a+2304}}-{\frac{ \left ( 29\,{a}^{2}-127\,a-792 \right ){x}^{5}}{32\,{a}^{4}+448\,{a}^{3}+2336\,{a}^{2}+5376\,a+4608}}+{\frac{ \left ( 73\,{a}^{2}-227\,a-1668 \right ){x}^{4}}{32\,{a}^{4}+448\,{a}^{3}+2336\,{a}^{2}+5376\,a+4608}}-{\frac{ \left ( 62\,{a}^{2}-103\,a-1104 \right ){x}^{3}}{16\,{a}^{4}+224\,{a}^{3}+1168\,{a}^{2}+2688\,a+2304}}-{\frac{ \left ( 5\,{a}^{3}-26\,{a}^{2}+140\,a+1008 \right ){x}^{2}}{16\,{a}^{4}+224\,{a}^{3}+1168\,{a}^{2}+2688\,a+2304}}+{\frac{ \left ( 9\,{a}^{3}-51\,{a}^{2}-120\,a+576 \right ) x}{32\,{a}^{4}+448\,{a}^{3}+2336\,{a}^{2}+5376\,a+4608}}-{\frac{3\,a \left ( 3\,{a}^{2}+7\,a-12 \right ) }{32\,{a}^{4}+448\,{a}^{3}+2336\,{a}^{2}+5376\,a+4608}} \right ) }-{\frac{3}{128\,{a}^{4}+1792\,{a}^{3}+9344\,{a}^{2}+21504\,a+18432}\sum _{{\it \_R}={\it RootOf} \left ({{\it \_Z}}^{4}-4\,{{\it \_Z}}^{3}+8\,{{\it \_Z}}^{2}-8\,{\it \_Z}-a \right ) }{\frac{ \left ( 72+2\, \left ( 7+2\,a \right ){{\it \_R}}^{2}+4\, \left ({a}^{2}+4\,a+2 \right ){\it \_R}+3\,{a}^{2}+31\,a \right ) \ln \left ( x-{\it \_R} \right ) }{{{\it \_R}}^{3}-3\,{{\it \_R}}^{2}+4\,{\it \_R}-2}}} \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: AttributeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: TypeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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