Optimal. Leaf size=59 \[ \frac{1}{6} x^6 \left (a+b \tan ^{-1}(c x)\right )+\frac{b x^3}{18 c^3}-\frac{b x}{6 c^5}+\frac{b \tan ^{-1}(c x)}{6 c^6}-\frac{b x^5}{30 c} \]
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Rubi [A] time = 0.0316717, antiderivative size = 59, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {4852, 302, 203} \[ \frac{1}{6} x^6 \left (a+b \tan ^{-1}(c x)\right )+\frac{b x^3}{18 c^3}-\frac{b x}{6 c^5}+\frac{b \tan ^{-1}(c x)}{6 c^6}-\frac{b x^5}{30 c} \]
Antiderivative was successfully verified.
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Rule 4852
Rule 302
Rule 203
Rubi steps
\begin{align*} \int x^5 \left (a+b \tan ^{-1}(c x)\right ) \, dx &=\frac{1}{6} x^6 \left (a+b \tan ^{-1}(c x)\right )-\frac{1}{6} (b c) \int \frac{x^6}{1+c^2 x^2} \, dx\\ &=\frac{1}{6} x^6 \left (a+b \tan ^{-1}(c x)\right )-\frac{1}{6} (b c) \int \left (\frac{1}{c^6}-\frac{x^2}{c^4}+\frac{x^4}{c^2}-\frac{1}{c^6 \left (1+c^2 x^2\right )}\right ) \, dx\\ &=-\frac{b x}{6 c^5}+\frac{b x^3}{18 c^3}-\frac{b x^5}{30 c}+\frac{1}{6} x^6 \left (a+b \tan ^{-1}(c x)\right )+\frac{b \int \frac{1}{1+c^2 x^2} \, dx}{6 c^5}\\ &=-\frac{b x}{6 c^5}+\frac{b x^3}{18 c^3}-\frac{b x^5}{30 c}+\frac{b \tan ^{-1}(c x)}{6 c^6}+\frac{1}{6} x^6 \left (a+b \tan ^{-1}(c x)\right )\\ \end{align*}
Mathematica [A] time = 0.0031498, size = 64, normalized size = 1.08 \[ \frac{a x^6}{6}+\frac{b x^3}{18 c^3}-\frac{b x}{6 c^5}+\frac{b \tan ^{-1}(c x)}{6 c^6}-\frac{b x^5}{30 c}+\frac{1}{6} b x^6 \tan ^{-1}(c x) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 53, normalized size = 0.9 \begin{align*}{\frac{{x}^{6}a}{6}}+{\frac{b{x}^{6}\arctan \left ( cx \right ) }{6}}-{\frac{b{x}^{5}}{30\,c}}+{\frac{b{x}^{3}}{18\,{c}^{3}}}-{\frac{bx}{6\,{c}^{5}}}+{\frac{b\arctan \left ( cx \right ) }{6\,{c}^{6}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.46044, size = 77, normalized size = 1.31 \begin{align*} \frac{1}{6} \, a x^{6} + \frac{1}{90} \,{\left (15 \, x^{6} \arctan \left (c x\right ) - c{\left (\frac{3 \, c^{4} x^{5} - 5 \, c^{2} x^{3} + 15 \, x}{c^{6}} - \frac{15 \, \arctan \left (c x\right )}{c^{7}}\right )}\right )} b \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.36432, size = 131, normalized size = 2.22 \begin{align*} \frac{15 \, a c^{6} x^{6} - 3 \, b c^{5} x^{5} + 5 \, b c^{3} x^{3} - 15 \, b c x + 15 \,{\left (b c^{6} x^{6} + b\right )} \arctan \left (c x\right )}{90 \, c^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 2.02291, size = 63, normalized size = 1.07 \begin{align*} \begin{cases} \frac{a x^{6}}{6} + \frac{b x^{6} \operatorname{atan}{\left (c x \right )}}{6} - \frac{b x^{5}}{30 c} + \frac{b x^{3}}{18 c^{3}} - \frac{b x}{6 c^{5}} + \frac{b \operatorname{atan}{\left (c x \right )}}{6 c^{6}} & \text{for}\: c \neq 0 \\\frac{a x^{6}}{6} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.22262, size = 89, normalized size = 1.51 \begin{align*} \frac{15 \, b c^{6} x^{6} \arctan \left (c x\right ) + 15 \, a c^{6} x^{6} - 3 \, b c^{5} x^{5} + 5 \, b c^{3} x^{3} - 15 \, \pi b \mathrm{sgn}\left (c\right ) \mathrm{sgn}\left (x\right ) - 15 \, b c x + 15 \, b \arctan \left (c x\right )}{90 \, c^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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