Optimal. Leaf size=30 \[ a x+\frac{b \sinh (c+d x) \cosh (c+d x)}{2 d}-\frac{b x}{2} \]
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Rubi [A] time = 0.0160623, antiderivative size = 30, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {2635, 8} \[ a x+\frac{b \sinh (c+d x) \cosh (c+d x)}{2 d}-\frac{b x}{2} \]
Antiderivative was successfully verified.
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Rule 2635
Rule 8
Rubi steps
\begin{align*} \int \left (a+b \sinh ^2(c+d x)\right ) \, dx &=a x+b \int \sinh ^2(c+d x) \, dx\\ &=a x+\frac{b \cosh (c+d x) \sinh (c+d x)}{2 d}-\frac{1}{2} b \int 1 \, dx\\ &=a x-\frac{b x}{2}+\frac{b \cosh (c+d x) \sinh (c+d x)}{2 d}\\ \end{align*}
Mathematica [A] time = 0.0316776, size = 36, normalized size = 1.2 \[ a x+\frac{b (-c-d x)}{2 d}+\frac{b \sinh (2 (c+d x))}{4 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.007, size = 32, normalized size = 1.1 \begin{align*} ax+{\frac{b}{d} \left ({\frac{\cosh \left ( dx+c \right ) \sinh \left ( dx+c \right ) }{2}}-{\frac{dx}{2}}-{\frac{c}{2}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.04378, size = 51, normalized size = 1.7 \begin{align*} -\frac{1}{8} \, b{\left (4 \, x - \frac{e^{\left (2 \, d x + 2 \, c\right )}}{d} + \frac{e^{\left (-2 \, d x - 2 \, c\right )}}{d}\right )} + a x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.84118, size = 74, normalized size = 2.47 \begin{align*} \frac{{\left (2 \, a - b\right )} d x + b \cosh \left (d x + c\right ) \sinh \left (d x + c\right )}{2 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.408983, size = 51, normalized size = 1.7 \begin{align*} a x + b \left (\begin{cases} \frac{x \sinh ^{2}{\left (c + d x \right )}}{2} - \frac{x \cosh ^{2}{\left (c + d x \right )}}{2} + \frac{\sinh{\left (c + d x \right )} \cosh{\left (c + d x \right )}}{2 d} & \text{for}\: d \neq 0 \\x \sinh ^{2}{\left (c \right )} & \text{otherwise} \end{cases}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.30807, size = 72, normalized size = 2.4 \begin{align*} a x - \frac{{\left (4 \, d x -{\left (2 \, e^{\left (2 \, d x + 2 \, c\right )} - 1\right )} e^{\left (-2 \, d x - 2 \, c\right )} + 4 \, c - e^{\left (2 \, d x + 2 \, c\right )}\right )} b}{8 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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