Optimal. Leaf size=8 \[ \frac {2 \sinh ^3(x)}{3} \]
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Rubi [A]
time = 0.01, antiderivative size = 15, normalized size of antiderivative = 1.88, 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}{6} \sinh (3 x)-\frac {\sinh (x)}{2} \end {gather*}
Antiderivative was successfully verified.
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Rule 4367
Rubi steps
\begin {align*} \int \sinh (x) \sinh (2 x) \, dx &=-\frac {\sinh (x)}{2}+\frac {1}{6} \sinh (3 x)\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 15, normalized size = 1.88 \begin {gather*} -\frac {\sinh (x)}{2}+\frac {1}{6} \sinh (3 x) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.53, size = 7, normalized size = 0.88
method | result | size |
derivativedivides | \(\frac {2 \left (\sinh ^{3}\left (x \right )\right )}{3}\) | \(7\) |
default | \(\frac {2 \left (\sinh ^{3}\left (x \right )\right )}{3}\) | \(7\) |
risch | \(\frac {{\mathrm e}^{3 x}}{12}-\frac {{\mathrm e}^{x}}{4}+\frac {{\mathrm e}^{-x}}{4}-\frac {{\mathrm e}^{-3 x}}{12}\) | \(24\) |
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.
\(2 (6) = 12\).
time = 0.26, size = 27, normalized size = 3.38 \begin {gather*} -\frac {1}{12} \, {\left (3 \, e^{\left (-2 \, x\right )} - 1\right )} e^{\left (3 \, x\right )} + \frac {1}{4} \, e^{\left (-x\right )} - \frac {1}{12} \, e^{\left (-3 \, x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 17 vs.
\(2 (6) = 12\).
time = 0.40, size = 17, normalized size = 2.12 \begin {gather*} \frac {1}{6} \, \sinh \left (x\right )^{3} + \frac {1}{2} \, {\left (\cosh \left (x\right )^{2} - 1\right )} \sinh \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 20 vs.
\(2 (7) = 14\).
time = 0.13, size = 20, normalized size = 2.50 \begin {gather*} \frac {2 \sinh {\left (x \right )} \cosh {\left (2 x \right )}}{3} - \frac {\sinh {\left (2 x \right )} \cosh {\left (x \right )}}{3} \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. 25 vs.
\(2 (6) = 12\).
time = 0.40, size = 25, normalized size = 3.12 \begin {gather*} \frac {1}{12} \, {\left (3 \, e^{\left (2 \, x\right )} - 1\right )} e^{\left (-3 \, x\right )} + \frac {1}{12} \, e^{\left (3 \, x\right )} - \frac {1}{4} \, e^{x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.07, size = 6, normalized size = 0.75 \begin {gather*} \frac {2\,{\mathrm {sinh}\left (x\right )}^3}{3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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