Optimal. Leaf size=17 \[ -\frac {1}{4} \sinh (2 x)+\frac {1}{8} \sinh (4 x) \]
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Rubi [A]
time = 0.01, antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {4367}
\begin {gather*} \frac {1}{8} \sinh (4 x)-\frac {1}{4} \sinh (2 x) \end {gather*}
Antiderivative was successfully verified.
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Rule 4367
Rubi steps
\begin {align*} \int \sinh (x) \sinh (3 x) \, dx &=-\frac {1}{4} \sinh (2 x)+\frac {1}{8} \sinh (4 x)\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 17, normalized size = 1.00 \begin {gather*} -\frac {1}{4} \sinh (2 x)+\frac {1}{8} \sinh (4 x) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.91, size = 14, normalized size = 0.82
method | result | size |
default | \(-\frac {\sinh \left (2 x \right )}{4}+\frac {\sinh \left (4 x \right )}{8}\) | \(14\) |
risch | \(\frac {{\mathrm e}^{4 x}}{16}-\frac {{\mathrm e}^{2 x}}{8}+\frac {{\mathrm e}^{-2 x}}{8}-\frac {{\mathrm e}^{-4 x}}{16}\) | \(26\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 27 vs.
\(2 (13) = 26\).
time = 0.27, size = 27, normalized size = 1.59 \begin {gather*} -\frac {1}{16} \, {\left (2 \, e^{\left (-2 \, x\right )} - 1\right )} e^{\left (4 \, x\right )} + \frac {1}{8} \, e^{\left (-2 \, x\right )} - \frac {1}{16} \, e^{\left (-4 \, x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.37, size = 22, normalized size = 1.29 \begin {gather*} \frac {1}{2} \, \cosh \left (x\right ) \sinh \left (x\right )^{3} + \frac {1}{2} \, {\left (\cosh \left (x\right )^{3} - \cosh \left (x\right )\right )} \sinh \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.12, size = 20, normalized size = 1.18 \begin {gather*} \frac {3 \sinh {\left (x \right )} \cosh {\left (3 x \right )}}{8} - \frac {\sinh {\left (3 x \right )} \cosh {\left (x \right )}}{8} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 27 vs.
\(2 (13) = 26\).
time = 0.39, size = 27, normalized size = 1.59 \begin {gather*} \frac {1}{16} \, {\left (2 \, e^{\left (2 \, x\right )} - 1\right )} e^{\left (-4 \, x\right )} + \frac {1}{16} \, e^{\left (4 \, x\right )} - \frac {1}{8} \, e^{\left (2 \, x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.06, size = 13, normalized size = 0.76 \begin {gather*} \frac {\mathrm {sinh}\left (4\,x\right )}{8}-\frac {\mathrm {sinh}\left (2\,x\right )}{4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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