Optimal. Leaf size=68 \[ \text{Unintegrable}\left (\frac{\cosh \left (x^2+x+\frac{1}{4}\right )}{x},x\right )-\frac{1}{2} \sqrt{\pi } \text{Erf}\left (\frac{1}{2} (-2 x-1)\right )+\frac{1}{2} \sqrt{\pi } \text{Erfi}\left (\frac{1}{2} (2 x+1)\right )-\frac{\sinh \left (x^2+x+\frac{1}{4}\right )}{x} \]
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Rubi [A] time = 0.0389672, antiderivative size = 0, normalized size of antiderivative = 0., number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0., Rules used = {} \[ \int \frac{\sinh \left (\frac{1}{4}+x+x^2\right )}{x^2} \, dx \]
Verification is Not applicable to the result.
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Rubi steps
\begin{align*} \int \frac{\sinh \left (\frac{1}{4}+x+x^2\right )}{x^2} \, dx &=-\frac{\sinh \left (\frac{1}{4}+x+x^2\right )}{x}+2 \int \cosh \left (\frac{1}{4}+x+x^2\right ) \, dx+\int \frac{\cosh \left (\frac{1}{4}+x+x^2\right )}{x} \, dx\\ &=-\frac{\sinh \left (\frac{1}{4}+x+x^2\right )}{x}+\int e^{-\frac{1}{4}-x-x^2} \, dx+\int e^{\frac{1}{4}+x+x^2} \, dx+\int \frac{\cosh \left (\frac{1}{4}+x+x^2\right )}{x} \, dx\\ &=-\frac{\sinh \left (\frac{1}{4}+x+x^2\right )}{x}+\int e^{-\frac{1}{4} (-1-2 x)^2} \, dx+\int e^{\frac{1}{4} (1+2 x)^2} \, dx+\int \frac{\cosh \left (\frac{1}{4}+x+x^2\right )}{x} \, dx\\ &=-\frac{1}{2} \sqrt{\pi } \text{erf}\left (\frac{1}{2} (-1-2 x)\right )+\frac{1}{2} \sqrt{\pi } \text{erfi}\left (\frac{1}{2} (1+2 x)\right )-\frac{\sinh \left (\frac{1}{4}+x+x^2\right )}{x}+\int \frac{\cosh \left (\frac{1}{4}+x+x^2\right )}{x} \, dx\\ \end{align*}
Mathematica [A] time = 11.589, size = 0, normalized size = 0. \[ \int \frac{\sinh \left (\frac{1}{4}+x+x^2\right )}{x^2} \, dx \]
Verification is Not applicable to the result.
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Maple [A] time = 0.038, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{{x}^{2}}\sinh \left ({\frac{1}{4}}+x+{x}^{2} \right ) }\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sinh \left (x^{2} + x + \frac{1}{4}\right )}{x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{\sinh \left (x^{2} + x + \frac{1}{4}\right )}{x^{2}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sinh{\left (x^{2} + x + \frac{1}{4} \right )}}{x^{2}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sinh \left (x^{2} + x + \frac{1}{4}\right )}{x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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