Integrand size = 15, antiderivative size = 15 \[ \int \frac {\sinh ^2\left (\frac {1}{4}+x+x^2\right )}{x} \, dx=-\frac {\log (x)}{2}+\frac {1}{2} \text {Int}\left (\frac {\cosh \left (\frac {1}{2}+2 x+2 x^2\right )}{x},x\right ) \]
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Not integrable
Time = 0.02 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00, number of steps used = 0, number of rules used = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \[ \int \frac {\sinh ^2\left (\frac {1}{4}+x+x^2\right )}{x} \, dx=\int \frac {\sinh ^2\left (\frac {1}{4}+x+x^2\right )}{x} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {1}{2 x}+\frac {\cosh \left (\frac {1}{2}+2 x+2 x^2\right )}{2 x}\right ) \, dx \\ & = -\frac {\log (x)}{2}+\frac {1}{2} \int \frac {\cosh \left (\frac {1}{2}+2 x+2 x^2\right )}{x} \, dx \\ \end{align*}
Not integrable
Time = 13.85 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.13 \[ \int \frac {\sinh ^2\left (\frac {1}{4}+x+x^2\right )}{x} \, dx=\int \frac {\sinh ^2\left (\frac {1}{4}+x+x^2\right )}{x} \, dx \]
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Not integrable
Time = 0.32 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87
\[\int \frac {\sinh \left (\frac {1}{4}+x +x^{2}\right )^{2}}{x}d x\]
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Not integrable
Time = 0.25 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {\sinh ^2\left (\frac {1}{4}+x+x^2\right )}{x} \, dx=\int { \frac {\sinh \left (x^{2} + x + \frac {1}{4}\right )^{2}}{x} \,d x } \]
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Not integrable
Time = 0.68 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int \frac {\sinh ^2\left (\frac {1}{4}+x+x^2\right )}{x} \, dx=\int \frac {\sinh ^{2}{\left (x^{2} + x + \frac {1}{4} \right )}}{x}\, dx \]
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Not integrable
Time = 0.32 (sec) , antiderivative size = 43, normalized size of antiderivative = 2.87 \[ \int \frac {\sinh ^2\left (\frac {1}{4}+x+x^2\right )}{x} \, dx=\int { \frac {\sinh \left (x^{2} + x + \frac {1}{4}\right )^{2}}{x} \,d x } \]
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Not integrable
Time = 0.29 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {\sinh ^2\left (\frac {1}{4}+x+x^2\right )}{x} \, dx=\int { \frac {\sinh \left (x^{2} + x + \frac {1}{4}\right )^{2}}{x} \,d x } \]
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Not integrable
Time = 1.09 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {\sinh ^2\left (\frac {1}{4}+x+x^2\right )}{x} \, dx=\int \frac {{\mathrm {sinh}\left (x^2+x+\frac {1}{4}\right )}^2}{x} \,d x \]
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