Optimal. Leaf size=207 \[ \frac{b n \left (5 a^2 c^2-5 a b^2 c+b^4\right ) \log \left (a+b x+c x^2\right )}{10 c^5}-\frac{n x \left (2 a^2 c^2-4 a b^2 c+b^4\right )}{5 c^4}+\frac{n \sqrt{b^2-4 a c} \left (a^2 c^2-3 a b^2 c+b^4\right ) \tanh ^{-1}\left (\frac{b+2 c x}{\sqrt{b^2-4 a c}}\right )}{5 c^5}-\frac{n x^3 \left (b^2-2 a c\right )}{15 c^2}+\frac{b n x^2 \left (b^2-3 a c\right )}{10 c^3}+\frac{1}{5} x^5 \log \left (d \left (a+b x+c x^2\right )^n\right )+\frac{b n x^4}{20 c}-\frac{2 n x^5}{25} \]
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Rubi [A] time = 0.229487, antiderivative size = 207, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 6, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.316, Rules used = {2525, 800, 634, 618, 206, 628} \[ \frac{b n \left (5 a^2 c^2-5 a b^2 c+b^4\right ) \log \left (a+b x+c x^2\right )}{10 c^5}-\frac{n x \left (2 a^2 c^2-4 a b^2 c+b^4\right )}{5 c^4}+\frac{n \sqrt{b^2-4 a c} \left (a^2 c^2-3 a b^2 c+b^4\right ) \tanh ^{-1}\left (\frac{b+2 c x}{\sqrt{b^2-4 a c}}\right )}{5 c^5}-\frac{n x^3 \left (b^2-2 a c\right )}{15 c^2}+\frac{b n x^2 \left (b^2-3 a c\right )}{10 c^3}+\frac{1}{5} x^5 \log \left (d \left (a+b x+c x^2\right )^n\right )+\frac{b n x^4}{20 c}-\frac{2 n x^5}{25} \]
Antiderivative was successfully verified.
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Rule 2525
Rule 800
Rule 634
Rule 618
Rule 206
Rule 628
Rubi steps
\begin{align*} \int x^4 \log \left (d \left (a+b x+c x^2\right )^n\right ) \, dx &=\frac{1}{5} x^5 \log \left (d \left (a+b x+c x^2\right )^n\right )-\frac{1}{5} n \int \frac{x^5 (b+2 c x)}{a+b x+c x^2} \, dx\\ &=\frac{1}{5} x^5 \log \left (d \left (a+b x+c x^2\right )^n\right )-\frac{1}{5} n \int \left (\frac{b^4-4 a b^2 c+2 a^2 c^2}{c^4}-\frac{b \left (b^2-3 a c\right ) x}{c^3}+\frac{\left (b^2-2 a c\right ) x^2}{c^2}-\frac{b x^3}{c}+2 x^4-\frac{a \left (b^4-4 a b^2 c+2 a^2 c^2\right )+b \left (b^4-5 a b^2 c+5 a^2 c^2\right ) x}{c^4 \left (a+b x+c x^2\right )}\right ) \, dx\\ &=-\frac{\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n x}{5 c^4}+\frac{b \left (b^2-3 a c\right ) n x^2}{10 c^3}-\frac{\left (b^2-2 a c\right ) n x^3}{15 c^2}+\frac{b n x^4}{20 c}-\frac{2 n x^5}{25}+\frac{1}{5} x^5 \log \left (d \left (a+b x+c x^2\right )^n\right )+\frac{n \int \frac{a \left (b^4-4 a b^2 c+2 a^2 c^2\right )+b \left (b^4-5 a b^2 c+5 a^2 c^2\right ) x}{a+b x+c x^2} \, dx}{5 c^4}\\ &=-\frac{\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n x}{5 c^4}+\frac{b \left (b^2-3 a c\right ) n x^2}{10 c^3}-\frac{\left (b^2-2 a c\right ) n x^3}{15 c^2}+\frac{b n x^4}{20 c}-\frac{2 n x^5}{25}+\frac{1}{5} x^5 \log \left (d \left (a+b x+c x^2\right )^n\right )-\frac{\left (\left (b^2-4 a c\right ) \left (b^4-3 a b^2 c+a^2 c^2\right ) n\right ) \int \frac{1}{a+b x+c x^2} \, dx}{10 c^5}+\frac{\left (b \left (b^4-5 a b^2 c+5 a^2 c^2\right ) n\right ) \int \frac{b+2 c x}{a+b x+c x^2} \, dx}{10 c^5}\\ &=-\frac{\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n x}{5 c^4}+\frac{b \left (b^2-3 a c\right ) n x^2}{10 c^3}-\frac{\left (b^2-2 a c\right ) n x^3}{15 c^2}+\frac{b n x^4}{20 c}-\frac{2 n x^5}{25}+\frac{b \left (b^4-5 a b^2 c+5 a^2 c^2\right ) n \log \left (a+b x+c x^2\right )}{10 c^5}+\frac{1}{5} x^5 \log \left (d \left (a+b x+c x^2\right )^n\right )+\frac{\left (\left (b^2-4 a c\right ) \left (b^4-3 a b^2 c+a^2 c^2\right ) n\right ) \operatorname{Subst}\left (\int \frac{1}{b^2-4 a c-x^2} \, dx,x,b+2 c x\right )}{5 c^5}\\ &=-\frac{\left (b^4-4 a b^2 c+2 a^2 c^2\right ) n x}{5 c^4}+\frac{b \left (b^2-3 a c\right ) n x^2}{10 c^3}-\frac{\left (b^2-2 a c\right ) n x^3}{15 c^2}+\frac{b n x^4}{20 c}-\frac{2 n x^5}{25}+\frac{\sqrt{b^2-4 a c} \left (b^4-3 a b^2 c+a^2 c^2\right ) n \tanh ^{-1}\left (\frac{b+2 c x}{\sqrt{b^2-4 a c}}\right )}{5 c^5}+\frac{b \left (b^4-5 a b^2 c+5 a^2 c^2\right ) n \log \left (a+b x+c x^2\right )}{10 c^5}+\frac{1}{5} x^5 \log \left (d \left (a+b x+c x^2\right )^n\right )\\ \end{align*}
Mathematica [A] time = 0.20661, size = 190, normalized size = 0.92 \[ \frac{c n x \left (-8 c^2 \left (15 a^2-5 a c x^2+3 c^2 x^4\right )-20 b^2 c \left (c x^2-12 a\right )+15 b c^2 x \left (c x^2-6 a\right )+30 b^3 c x-60 b^4\right )+30 b n \left (5 a^2 c^2-5 a b^2 c+b^4\right ) \log (a+x (b+c x))+60 n \sqrt{b^2-4 a c} \left (a^2 c^2-3 a b^2 c+b^4\right ) \tanh ^{-1}\left (\frac{b+2 c x}{\sqrt{b^2-4 a c}}\right )+60 c^5 x^5 \log \left (d (a+x (b+c x))^n\right )}{300 c^5} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.123, size = 1621, normalized size = 7.8 \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(-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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Fricas [A] time = 1.97479, size = 1013, normalized size = 4.89 \begin{align*} \left [-\frac{24 \, c^{5} n x^{5} - 60 \, c^{5} x^{5} \log \left (d\right ) - 15 \, b c^{4} n x^{4} + 20 \,{\left (b^{2} c^{3} - 2 \, a c^{4}\right )} n x^{3} - 30 \,{\left (b^{3} c^{2} - 3 \, a b c^{3}\right )} n x^{2} - 30 \,{\left (b^{4} - 3 \, a b^{2} c + a^{2} c^{2}\right )} \sqrt{b^{2} - 4 \, a c} n \log \left (\frac{2 \, c^{2} x^{2} + 2 \, b c x + b^{2} - 2 \, a c + \sqrt{b^{2} - 4 \, a c}{\left (2 \, c x + b\right )}}{c x^{2} + b x + a}\right ) + 60 \,{\left (b^{4} c - 4 \, a b^{2} c^{2} + 2 \, a^{2} c^{3}\right )} n x - 30 \,{\left (2 \, c^{5} n x^{5} +{\left (b^{5} - 5 \, a b^{3} c + 5 \, a^{2} b c^{2}\right )} n\right )} \log \left (c x^{2} + b x + a\right )}{300 \, c^{5}}, -\frac{24 \, c^{5} n x^{5} - 60 \, c^{5} x^{5} \log \left (d\right ) - 15 \, b c^{4} n x^{4} + 20 \,{\left (b^{2} c^{3} - 2 \, a c^{4}\right )} n x^{3} - 30 \,{\left (b^{3} c^{2} - 3 \, a b c^{3}\right )} n x^{2} - 60 \,{\left (b^{4} - 3 \, a b^{2} c + a^{2} c^{2}\right )} \sqrt{-b^{2} + 4 \, a c} n \arctan \left (-\frac{\sqrt{-b^{2} + 4 \, a c}{\left (2 \, c x + b\right )}}{b^{2} - 4 \, a c}\right ) + 60 \,{\left (b^{4} c - 4 \, a b^{2} c^{2} + 2 \, a^{2} c^{3}\right )} n x - 30 \,{\left (2 \, c^{5} n x^{5} +{\left (b^{5} - 5 \, a b^{3} c + 5 \, a^{2} b c^{2}\right )} n\right )} \log \left (c x^{2} + b x + a\right )}{300 \, c^{5}}\right ] \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 [A] time = 1.23399, size = 298, normalized size = 1.44 \begin{align*} \frac{1}{5} \, n x^{5} \log \left (c x^{2} + b x + a\right ) - \frac{1}{25} \,{\left (2 \, n - 5 \, \log \left (d\right )\right )} x^{5} + \frac{b n x^{4}}{20 \, c} - \frac{{\left (b^{2} n - 2 \, a c n\right )} x^{3}}{15 \, c^{2}} + \frac{{\left (b^{3} n - 3 \, a b c n\right )} x^{2}}{10 \, c^{3}} - \frac{{\left (b^{4} n - 4 \, a b^{2} c n + 2 \, a^{2} c^{2} n\right )} x}{5 \, c^{4}} + \frac{{\left (b^{5} n - 5 \, a b^{3} c n + 5 \, a^{2} b c^{2} n\right )} \log \left (c x^{2} + b x + a\right )}{10 \, c^{5}} - \frac{{\left (b^{6} n - 7 \, a b^{4} c n + 13 \, a^{2} b^{2} c^{2} n - 4 \, a^{3} c^{3} n\right )} \arctan \left (\frac{2 \, c x + b}{\sqrt{-b^{2} + 4 \, a c}}\right )}{5 \, \sqrt{-b^{2} + 4 \, a c} c^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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