Optimal. Leaf size=92 \[ \log (x+2) (d-2 e+4 f-8 g+16 h-32 i)+x (e-2 f+4 g-8 h+16 i)+\frac{1}{2} x^2 (f-2 g+4 h-8 i)+\frac{1}{3} x^3 (g-2 h+4 i)+\frac{1}{4} x^4 (h-2 i)+\frac{i x^5}{5} \]
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Rubi [A] time = 0.14863, antiderivative size = 92, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 51, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.039, Rules used = {1586, 1850} \[ \log (x+2) (d-2 e+4 f-8 g+16 h-32 i)+x (e-2 f+4 g-8 h+16 i)+\frac{1}{2} x^2 (f-2 g+4 h-8 i)+\frac{1}{3} x^3 (g-2 h+4 i)+\frac{1}{4} x^4 (h-2 i)+\frac{i x^5}{5} \]
Antiderivative was successfully verified.
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Rule 1586
Rule 1850
Rubi steps
\begin{align*} \int \frac{\left (2-x-2 x^2+x^3\right ) \left (d+e x+f x^2+g x^3+h x^4+72 x^5\right )}{4-5 x^2+x^4} \, dx &=\int \frac{d+e x+f x^2+g x^3+h x^4+72 x^5}{2+x} \, dx\\ &=\int \left (1152 \left (1+\frac{e-2 f+4 g-8 h}{1152}\right )+(-576+f-2 g+4 h) x+(288+g-2 h) x^2+(-144+h) x^3+72 x^4+\frac{-2304+d-2 e+4 f-8 g+16 h}{2+x}\right ) \, dx\\ &=(1152+e-2 f+4 g-8 h) x-\frac{1}{2} (576-f+2 g-4 h) x^2+\frac{1}{3} (288+g-2 h) x^3-\frac{1}{4} (144-h) x^4+\frac{72 x^5}{5}-(2304-d+2 e-4 f+8 g-16 h) \log (2+x)\\ \end{align*}
Mathematica [A] time = 0.0350037, size = 92, normalized size = 1. \[ \log (x+2) (d-2 e+4 f-8 g+16 h-32 i)+x (e-2 f+4 g-8 h+16 i)+\frac{1}{2} x^2 (f-2 g+4 h-8 i)+\frac{1}{3} x^3 (g-2 h+4 i)+\frac{1}{4} x^4 (h-2 i)+\frac{i x^5}{5} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 122, normalized size = 1.3 \begin{align*}{\frac{i{x}^{5}}{5}}+{\frac{h{x}^{4}}{4}}-{\frac{i{x}^{4}}{2}}+{\frac{g{x}^{3}}{3}}-{\frac{2\,h{x}^{3}}{3}}+{\frac{4\,i{x}^{3}}{3}}+{\frac{f{x}^{2}}{2}}-g{x}^{2}+2\,h{x}^{2}-4\,i{x}^{2}+ex-2\,fx+4\,gx-8\,hx+16\,ix+\ln \left ( 2+x \right ) d-2\,\ln \left ( 2+x \right ) e+4\,\ln \left ( 2+x \right ) f-8\,\ln \left ( 2+x \right ) g+16\,\ln \left ( 2+x \right ) h-32\,\ln \left ( 2+x \right ) i \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.967076, size = 113, normalized size = 1.23 \begin{align*} \frac{1}{5} \, i x^{5} + \frac{1}{4} \,{\left (h - 2 \, i\right )} x^{4} + \frac{1}{3} \,{\left (g - 2 \, h + 4 \, i\right )} x^{3} + \frac{1}{2} \,{\left (f - 2 \, g + 4 \, h - 8 \, i\right )} x^{2} +{\left (e - 2 \, f + 4 \, g - 8 \, h + 16 \, i\right )} x +{\left (d - 2 \, e + 4 \, f - 8 \, g + 16 \, h - 32 \, i\right )} \log \left (x + 2\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.52546, size = 231, normalized size = 2.51 \begin{align*} \frac{1}{5} \, i x^{5} + \frac{1}{4} \,{\left (h - 2 \, i\right )} x^{4} + \frac{1}{3} \,{\left (g - 2 \, h + 4 \, i\right )} x^{3} + \frac{1}{2} \,{\left (f - 2 \, g + 4 \, h - 8 \, i\right )} x^{2} +{\left (e - 2 \, f + 4 \, g - 8 \, h + 16 \, i\right )} x +{\left (d - 2 \, e + 4 \, f - 8 \, g + 16 \, h - 32 \, i\right )} \log \left (x + 2\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.37633, size = 88, normalized size = 0.96 \begin{align*} \frac{i x^{5}}{5} + x^{4} \left (\frac{h}{4} - \frac{i}{2}\right ) + x^{3} \left (\frac{g}{3} - \frac{2 h}{3} + \frac{4 i}{3}\right ) + x^{2} \left (\frac{f}{2} - g + 2 h - 4 i\right ) + x \left (e - 2 f + 4 g - 8 h + 16 i\right ) + \left (d - 2 e + 4 f - 8 g + 16 h - 32 i\right ) \log{\left (x + 2 \right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.06095, size = 142, normalized size = 1.54 \begin{align*} \frac{1}{5} \, i x^{5} + \frac{1}{4} \, h x^{4} - \frac{1}{2} \, i x^{4} + \frac{1}{3} \, g x^{3} - \frac{2}{3} \, h x^{3} + \frac{4}{3} \, i x^{3} + \frac{1}{2} \, f x^{2} - g x^{2} + 2 \, h x^{2} - 4 \, i x^{2} - 2 \, f x + 4 \, g x - 8 \, h x + 16 \, i x + x e +{\left (d + 4 \, f - 8 \, g + 16 \, h - 32 \, i - 2 \, e\right )} \log \left ({\left | x + 2 \right |}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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