Integrand size = 16, antiderivative size = 57 \[ \int \frac {\cos \left (\frac {3 x}{2}\right )}{\sqrt [4]{3^{3 x}}} \, dx=-\frac {4 \cos \left (\frac {3 x}{2}\right ) \log (3)}{3 \sqrt [4]{3^{3 x}} \left (4+\log ^2(3)\right )}+\frac {8 \sin \left (\frac {3 x}{2}\right )}{3 \sqrt [4]{3^{3 x}} \left (4+\log ^2(3)\right )} \]
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Time = 0.02 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {2319, 4518} \[ \int \frac {\cos \left (\frac {3 x}{2}\right )}{\sqrt [4]{3^{3 x}}} \, dx=\frac {8 \sin \left (\frac {3 x}{2}\right )}{3 \sqrt [4]{3^{3 x}} \left (4+\log ^2(3)\right )}-\frac {4 \log (3) \cos \left (\frac {3 x}{2}\right )}{3 \sqrt [4]{3^{3 x}} \left (4+\log ^2(3)\right )} \]
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Rule 2319
Rule 4518
Rubi steps \begin{align*} \text {integral}& = \frac {3^{3 x/4} \int 3^{-3 x/4} \cos \left (\frac {3 x}{2}\right ) \, dx}{\sqrt [4]{3^{3 x}}} \\ & = -\frac {4 \cos \left (\frac {3 x}{2}\right ) \log (3)}{3 \sqrt [4]{3^{3 x}} \left (4+\log ^2(3)\right )}+\frac {8 \sin \left (\frac {3 x}{2}\right )}{3 \sqrt [4]{3^{3 x}} \left (4+\log ^2(3)\right )} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.65 \[ \int \frac {\cos \left (\frac {3 x}{2}\right )}{\sqrt [4]{3^{3 x}}} \, dx=-\frac {4 \left (\cos \left (\frac {3 x}{2}\right ) \log (3)-2 \sin \left (\frac {3 x}{2}\right )\right )}{3 \sqrt [4]{27^x} \left (4+\log ^2(3)\right )} \]
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Time = 0.25 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.56
method | result | size |
parallelrisch | \(-\frac {4 \left (\cos \left (\frac {3 x}{2}\right ) \ln \left (3\right )-2 \sin \left (\frac {3 x}{2}\right )\right )}{\left (27^{x}\right )^{\frac {1}{4}} \left (3 \ln \left (3\right )^{2}+12\right )}\) | \(32\) |
risch | \(-\frac {2 \left (2 \cos \left (\frac {3 x}{2}\right ) \ln \left (3\right )-4 \sin \left (\frac {3 x}{2}\right )\right )}{3 \left (2 i+\ln \left (3\right )\right ) \left (-2 i+\ln \left (3\right )\right ) \left (27^{x}\right )^{\frac {1}{4}}}\) | \(37\) |
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Exception generated. \[ \int \frac {\cos \left (\frac {3 x}{2}\right )}{\sqrt [4]{3^{3 x}}} \, dx=\text {Exception raised: TypeError} \]
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Time = 0.46 (sec) , antiderivative size = 70, normalized size of antiderivative = 1.23 \[ \int \frac {\cos \left (\frac {3 x}{2}\right )}{\sqrt [4]{3^{3 x}}} \, dx=\frac {8 \sin {\left (\frac {3 x}{2} \right )}}{3 \sqrt [4]{3^{3 x}} \log {\left (3 \right )}^{2} + 12 \sqrt [4]{3^{3 x}}} - \frac {4 \log {\left (3 \right )} \cos {\left (\frac {3 x}{2} \right )}}{3 \sqrt [4]{3^{3 x}} \log {\left (3 \right )}^{2} + 12 \sqrt [4]{3^{3 x}}} \]
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Time = 0.29 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.54 \[ \int \frac {\cos \left (\frac {3 x}{2}\right )}{\sqrt [4]{3^{3 x}}} \, dx=-\frac {4 \, {\left (\cos \left (\frac {3}{2} \, x\right ) \log \left (3\right ) - 2 \, \sin \left (\frac {3}{2} \, x\right )\right )}}{3 \, {\left (\log \left (3\right )^{2} + 4\right )} 3^{\frac {3}{4} \, x}} \]
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Time = 0.26 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.68 \[ \int \frac {\cos \left (\frac {3 x}{2}\right )}{\sqrt [4]{3^{3 x}}} \, dx=-\frac {4 \, {\left (\frac {\cos \left (\frac {3}{2} \, x\right ) \log \left (3\right )}{\log \left (3\right )^{2} + 4} - \frac {2 \, \sin \left (\frac {3}{2} \, x\right )}{\log \left (3\right )^{2} + 4}\right )}}{3 \cdot 3^{\frac {3}{4} \, x}} \]
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Time = 0.04 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.58 \[ \int \frac {\cos \left (\frac {3 x}{2}\right )}{\sqrt [4]{3^{3 x}}} \, dx=\frac {\frac {3\,\sin \left (\frac {3\,x}{2}\right )}{2}-\frac {3\,\cos \left (\frac {3\,x}{2}\right )\,\ln \left (3\right )}{4}}{3^{\frac {3\,x}{4}}\,\left (\frac {9\,{\ln \left (3\right )}^2}{16}+\frac {9}{4}\right )} \]
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