Optimal. Leaf size=37 \[ \frac{x^{m+1} \tan ^{-1}(\tan (a+b x))}{m+1}-\frac{b x^{m+2}}{m^2+3 m+2} \]
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Rubi [A] time = 0.0242773, antiderivative size = 37, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.182, Rules used = {2168, 30} \[ \frac{x^{m+1} \tan ^{-1}(\tan (a+b x))}{m+1}-\frac{b x^{m+2}}{m^2+3 m+2} \]
Antiderivative was successfully verified.
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Rule 2168
Rule 30
Rubi steps
\begin{align*} \int x^m \tan ^{-1}(\tan (a+b x)) \, dx &=\frac{x^{1+m} \tan ^{-1}(\tan (a+b x))}{1+m}-\frac{b \int x^{1+m} \, dx}{1+m}\\ &=-\frac{b x^{2+m}}{2+3 m+m^2}+\frac{x^{1+m} \tan ^{-1}(\tan (a+b x))}{1+m}\\ \end{align*}
Mathematica [A] time = 0.0559663, size = 34, normalized size = 0.92 \[ x^m \left (\frac{x \left (\tan ^{-1}(\tan (a+b x))-b x\right )}{m+1}+\frac{b x^2}{m+2}\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.056, size = 41, normalized size = 1.1 \begin{align*}{\frac{b{x}^{2}{{\rm e}^{m\ln \left ( x \right ) }}}{2+m}}+{\frac{ \left ( \arctan \left ( \tan \left ( bx+a \right ) \right ) -bx \right ) x{{\rm e}^{m\ln \left ( x \right ) }}}{1+m}} \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 = 1.72609, size = 72, normalized size = 1.95 \begin{align*} \frac{{\left ({\left (b m + b\right )} x^{2} +{\left (a m + 2 \, a\right )} x\right )} x^{m}}{m^{2} + 3 \, m + 2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [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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Giac [B] time = 1.1259, size = 108, normalized size = 2.92 \begin{align*} \frac{b m x^{2} x^{m} - \pi m x x^{m} \left \lfloor \frac{\pi + 2 \, a}{2 \, \pi } \right \rfloor + a m x x^{m} + b x^{2} x^{m} - 2 \, \pi x x^{m} \left \lfloor \frac{\pi + 2 \, a}{2 \, \pi } \right \rfloor + 2 \, a x x^{m}}{m^{2} + 3 \, m + 2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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