Optimal. Leaf size=37 \[ \frac{x^{m+1} \coth ^{-1}(\tanh (a+b x))}{m+1}-\frac{b x^{m+2}}{m^2+3 m+2} \]
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Rubi [A] time = 0.0100579, 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} \[ \frac{x^{m+1} \coth ^{-1}(\tanh (a+b x))}{m+1}-\frac{b x^{m+2}}{m^2+3 m+2} \]
Antiderivative was successfully verified.
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Rule 2168
Rule 30
Rubi steps
\begin{align*} \int x^m \coth ^{-1}(\tanh (a+b x)) \, dx &=\frac{x^{1+m} \coth ^{-1}(\tanh (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} \coth ^{-1}(\tanh (a+b x))}{1+m}\\ \end{align*}
Mathematica [A] time = 0.033024, size = 34, normalized size = 0.92 \[ x^m \left (\frac{x \left (\coth ^{-1}(\tanh (a+b x))-b x\right )}{m+1}+\frac{b x^2}{m+2}\right ) \]
Antiderivative was successfully verified.
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Maple [C] time = 0.159, size = 676, normalized size = 18.3 \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 = 1.63888, 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 [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{m} \operatorname{arcoth}\left (\tanh \left (b x + a\right )\right )\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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