Optimal. Leaf size=82 \[ \frac{1}{2} \sqrt{\frac{\pi }{2}} \text{FresnelC}\left (\frac{2 x+1}{\sqrt{2 \pi }}\right )+\frac{1}{4} \sqrt{\frac{\pi }{2}} S\left (\frac{2 x+1}{\sqrt{2 \pi }}\right )-\frac{1}{2} x \cos \left (x^2+x+\frac{1}{4}\right )+\frac{1}{4} \cos \left (x^2+x+\frac{1}{4}\right ) \]
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Rubi [A] time = 0.0330391, antiderivative size = 82, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 6, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.462, Rules used = {3463, 3446, 3352, 3461, 3445, 3351} \[ \frac{1}{2} \sqrt{\frac{\pi }{2}} \text{FresnelC}\left (\frac{2 x+1}{\sqrt{2 \pi }}\right )+\frac{1}{4} \sqrt{\frac{\pi }{2}} S\left (\frac{2 x+1}{\sqrt{2 \pi }}\right )-\frac{1}{2} x \cos \left (x^2+x+\frac{1}{4}\right )+\frac{1}{4} \cos \left (x^2+x+\frac{1}{4}\right ) \]
Antiderivative was successfully verified.
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Rule 3463
Rule 3446
Rule 3352
Rule 3461
Rule 3445
Rule 3351
Rubi steps
\begin{align*} \int x^2 \sin \left (\frac{1}{4}+x+x^2\right ) \, dx &=-\frac{1}{2} x \cos \left (\frac{1}{4}+x+x^2\right )+\frac{1}{2} \int \cos \left (\frac{1}{4}+x+x^2\right ) \, dx-\frac{1}{2} \int x \sin \left (\frac{1}{4}+x+x^2\right ) \, dx\\ &=\frac{1}{4} \cos \left (\frac{1}{4}+x+x^2\right )-\frac{1}{2} x \cos \left (\frac{1}{4}+x+x^2\right )+\frac{1}{4} \int \sin \left (\frac{1}{4}+x+x^2\right ) \, dx+\frac{1}{2} \int \cos \left (\frac{1}{4} (1+2 x)^2\right ) \, dx\\ &=\frac{1}{4} \cos \left (\frac{1}{4}+x+x^2\right )-\frac{1}{2} x \cos \left (\frac{1}{4}+x+x^2\right )+\frac{1}{2} \sqrt{\frac{\pi }{2}} C\left (\frac{1+2 x}{\sqrt{2 \pi }}\right )+\frac{1}{4} \int \sin \left (\frac{1}{4} (1+2 x)^2\right ) \, dx\\ &=\frac{1}{4} \cos \left (\frac{1}{4}+x+x^2\right )-\frac{1}{2} x \cos \left (\frac{1}{4}+x+x^2\right )+\frac{1}{2} \sqrt{\frac{\pi }{2}} C\left (\frac{1+2 x}{\sqrt{2 \pi }}\right )+\frac{1}{4} \sqrt{\frac{\pi }{2}} S\left (\frac{1+2 x}{\sqrt{2 \pi }}\right )\\ \end{align*}
Mathematica [A] time = 0.117096, size = 66, normalized size = 0.8 \[ \frac{1}{8} \left (2 \sqrt{2 \pi } \text{FresnelC}\left (\frac{2 x+1}{\sqrt{2 \pi }}\right )+\sqrt{2 \pi } S\left (\frac{2 x+1}{\sqrt{2 \pi }}\right )+2 (1-2 x) \cos \left (x^2+x+\frac{1}{4}\right )\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.009, size = 59, normalized size = 0.7 \begin{align*} -{\frac{x}{2}\cos \left ({\frac{1}{4}}+x+{x}^{2} \right ) }+{\frac{1}{4}\cos \left ({\frac{1}{4}}+x+{x}^{2} \right ) }+{\frac{\sqrt{2}\sqrt{\pi }}{8}{\it FresnelS} \left ({\frac{\sqrt{2}}{\sqrt{\pi }} \left ( x+{\frac{1}{2}} \right ) } \right ) }+{\frac{\sqrt{2}\sqrt{\pi }}{4}{\it FresnelC} \left ({\frac{\sqrt{2}}{\sqrt{\pi }} \left ( x+{\frac{1}{2}} \right ) } \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [C] time = 3.97883, size = 211, normalized size = 2.57 \begin{align*} \frac{512 \, x{\left (e^{\left (i \, x^{2} + i \, x + \frac{1}{4} i\right )} + e^{\left (-i \, x^{2} - i \, x - \frac{1}{4} i\right )}\right )} + \sqrt{4 \, x^{2} + 4 \, x + 1}{\left (\left (32 i + 32\right ) \, \sqrt{2} \sqrt{\pi }{\left (\operatorname{erf}\left (\sqrt{i \, x^{2} + i \, x + \frac{1}{4} i}\right ) - 1\right )} - \left (32 i - 32\right ) \, \sqrt{2} \sqrt{\pi }{\left (\operatorname{erf}\left (\sqrt{-i \, x^{2} - i \, x - \frac{1}{4} i}\right ) - 1\right )} + \left (128 i - 128\right ) \, \sqrt{2} \Gamma \left (\frac{3}{2}, i \, x^{2} + i \, x + \frac{1}{4} i\right ) - \left (128 i + 128\right ) \, \sqrt{2} \Gamma \left (\frac{3}{2}, -i \, x^{2} - i \, x - \frac{1}{4} i\right )\right )} + 256 \, e^{\left (i \, x^{2} + i \, x + \frac{1}{4} i\right )} + 256 \, e^{\left (-i \, x^{2} - i \, x - \frac{1}{4} i\right )}}{1024 \,{\left (2 \, x + 1\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.48286, size = 228, normalized size = 2.78 \begin{align*} -\frac{1}{4} \,{\left (2 \, x - 1\right )} \cos \left (x^{2} + x + \frac{1}{4}\right ) + \frac{1}{4} \, \sqrt{2} \sqrt{\pi } \operatorname{C}\left (\frac{\sqrt{2}{\left (2 \, x + 1\right )}}{2 \, \sqrt{\pi }}\right ) + \frac{1}{8} \, \sqrt{2} \sqrt{\pi } \operatorname{S}\left (\frac{\sqrt{2}{\left (2 \, x + 1\right )}}{2 \, \sqrt{\pi }}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{2} \sin{\left (x^{2} + x + \frac{1}{4} \right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [C] time = 2.41814, size = 101, normalized size = 1.23 \begin{align*} -\left (\frac{1}{32} i + \frac{3}{32}\right ) \, \sqrt{2} \sqrt{\pi } \operatorname{erf}\left (\left (\frac{1}{4} i - \frac{1}{4}\right ) \, \sqrt{2}{\left (2 \, x + 1\right )}\right ) + \left (\frac{1}{32} i - \frac{3}{32}\right ) \, \sqrt{2} \sqrt{\pi } \operatorname{erf}\left (-\left (\frac{1}{4} i + \frac{1}{4}\right ) \, \sqrt{2}{\left (2 \, x + 1\right )}\right ) - \frac{1}{8} i \,{\left (-2 i \, x + i\right )} e^{\left (i \, x^{2} + i \, x + \frac{1}{4} i\right )} - \frac{1}{8} i \,{\left (-2 i \, x + i\right )} e^{\left (-i \, x^{2} - i \, x - \frac{1}{4} i\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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