Optimal. Leaf size=15 \[ \frac{\sinh ^3(a+b x)}{3 b} \]
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Rubi [A] time = 0.0183197, antiderivative size = 15, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {2564, 30} \[ \frac{\sinh ^3(a+b x)}{3 b} \]
Antiderivative was successfully verified.
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Rule 2564
Rule 30
Rubi steps
\begin{align*} \int \cosh (a+b x) \sinh ^2(a+b x) \, dx &=\frac{i \operatorname{Subst}\left (\int x^2 \, dx,x,i \sinh (a+b x)\right )}{b}\\ &=\frac{\sinh ^3(a+b x)}{3 b}\\ \end{align*}
Mathematica [A] time = 0.0033657, size = 15, normalized size = 1. \[ \frac{\sinh ^3(a+b x)}{3 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.002, size = 14, normalized size = 0.9 \begin{align*}{\frac{ \left ( \sinh \left ( bx+a \right ) \right ) ^{3}}{3\,b}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.12684, size = 18, normalized size = 1.2 \begin{align*} \frac{\sinh \left (b x + a\right )^{3}}{3 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.72191, size = 89, normalized size = 5.93 \begin{align*} \frac{\sinh \left (b x + a\right )^{3} + 3 \,{\left (\cosh \left (b x + a\right )^{2} - 1\right )} \sinh \left (b x + a\right )}{12 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.508895, size = 20, normalized size = 1.33 \begin{align*} \begin{cases} \frac{\sinh ^{3}{\left (a + b x \right )}}{3 b} & \text{for}\: b \neq 0 \\x \sinh ^{2}{\left (a \right )} \cosh{\left (a \right )} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.15681, size = 62, normalized size = 4.13 \begin{align*} \frac{{\left (3 \, e^{\left (2 \, b x + 2 \, a\right )} - 1\right )} e^{\left (-3 \, b x - 3 \, a\right )} + e^{\left (3 \, b x + 3 \, a\right )} - 3 \, e^{\left (b x + a\right )}}{24 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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