Optimal. Leaf size=99 \[ -\frac{\sqrt{\frac{\pi }{2}} \cos \left (a+\frac{b^2}{4 c}\right ) \text{FresnelC}\left (\frac{b-2 c x}{\sqrt{2 \pi } \sqrt{c}}\right )}{\sqrt{c}}-\frac{\sqrt{\frac{\pi }{2}} \sin \left (a+\frac{b^2}{4 c}\right ) S\left (\frac{b-2 c x}{\sqrt{c} \sqrt{2 \pi }}\right )}{\sqrt{c}} \]
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Rubi [A] time = 0.0242217, antiderivative size = 99, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {3448, 3352, 3351} \[ -\frac{\sqrt{\frac{\pi }{2}} \cos \left (a+\frac{b^2}{4 c}\right ) \text{FresnelC}\left (\frac{b-2 c x}{\sqrt{2 \pi } \sqrt{c}}\right )}{\sqrt{c}}-\frac{\sqrt{\frac{\pi }{2}} \sin \left (a+\frac{b^2}{4 c}\right ) S\left (\frac{b-2 c x}{\sqrt{c} \sqrt{2 \pi }}\right )}{\sqrt{c}} \]
Antiderivative was successfully verified.
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Rule 3448
Rule 3352
Rule 3351
Rubi steps
\begin{align*} \int \cos \left (a+b x-c x^2\right ) \, dx &=\cos \left (a+\frac{b^2}{4 c}\right ) \int \cos \left (\frac{(b-2 c x)^2}{4 c}\right ) \, dx+\sin \left (a+\frac{b^2}{4 c}\right ) \int \sin \left (\frac{(b-2 c x)^2}{4 c}\right ) \, dx\\ &=-\frac{\sqrt{\frac{\pi }{2}} \cos \left (a+\frac{b^2}{4 c}\right ) C\left (\frac{b-2 c x}{\sqrt{c} \sqrt{2 \pi }}\right )}{\sqrt{c}}-\frac{\sqrt{\frac{\pi }{2}} S\left (\frac{b-2 c x}{\sqrt{c} \sqrt{2 \pi }}\right ) \sin \left (a+\frac{b^2}{4 c}\right )}{\sqrt{c}}\\ \end{align*}
Mathematica [A] time = 0.186137, size = 88, normalized size = 0.89 \[ \frac{\sqrt{\frac{\pi }{2}} \left (\cos \left (a+\frac{b^2}{4 c}\right ) \text{FresnelC}\left (\frac{2 c x-b}{\sqrt{2 \pi } \sqrt{c}}\right )+\sin \left (a+\frac{b^2}{4 c}\right ) S\left (\frac{2 c x-b}{\sqrt{c} \sqrt{2 \pi }}\right )\right )}{\sqrt{c}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.026, size = 79, normalized size = 0.8 \begin{align*}{\frac{\sqrt{2}\sqrt{\pi }}{2} \left ( \cos \left ({\frac{1}{c} \left ({\frac{{b}^{2}}{4}}+ca \right ) } \right ){\it FresnelC} \left ({\frac{\sqrt{2}}{\sqrt{\pi }} \left ( cx-{\frac{b}{2}} \right ){\frac{1}{\sqrt{c}}}} \right ) +\sin \left ({\frac{1}{c} \left ({\frac{{b}^{2}}{4}}+ca \right ) } \right ){\it FresnelS} \left ({\frac{\sqrt{2}}{\sqrt{\pi }} \left ( cx-{\frac{b}{2}} \right ){\frac{1}{\sqrt{c}}}} \right ) \right ){\frac{1}{\sqrt{c}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [C] time = 2.69644, size = 394, normalized size = 3.98 \begin{align*} \frac{\sqrt{\pi }{\left ({\left ({\left (\cos \left (\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) + \cos \left (-\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) - i \, \sin \left (\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) + i \, \sin \left (-\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right )\right )} \cos \left (\frac{b^{2} + 4 \, a c}{4 \, c}\right ) +{\left (i \, \cos \left (\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) + i \, \cos \left (-\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) + \sin \left (\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) - \sin \left (-\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right )\right )} \sin \left (\frac{b^{2} + 4 \, a c}{4 \, c}\right )\right )} \operatorname{erf}\left (\frac{2 i \, c x - i \, b}{2 \, \sqrt{i \, c}}\right ) -{\left ({\left (\cos \left (\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) + \cos \left (-\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) + i \, \sin \left (\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) - i \, \sin \left (-\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right )\right )} \cos \left (\frac{b^{2} + 4 \, a c}{4 \, c}\right ) -{\left (i \, \cos \left (\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) + i \, \cos \left (-\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) - \sin \left (\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right ) + \sin \left (-\frac{1}{4} \, \pi + \frac{1}{2} \, \arctan \left (0, c\right )\right )\right )} \sin \left (\frac{b^{2} + 4 \, a c}{4 \, c}\right )\right )} \operatorname{erf}\left (\frac{2 i \, c x - i \, b}{2 \, \sqrt{-i \, c}}\right )\right )}}{8 \, \sqrt{{\left | c \right |}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.39002, size = 277, normalized size = 2.8 \begin{align*} \frac{\sqrt{2} \pi \sqrt{\frac{c}{\pi }} \cos \left (\frac{b^{2} + 4 \, a c}{4 \, c}\right ) \operatorname{C}\left (\frac{\sqrt{2}{\left (2 \, c x - b\right )} \sqrt{\frac{c}{\pi }}}{2 \, c}\right ) + \sqrt{2} \pi \sqrt{\frac{c}{\pi }} \operatorname{S}\left (\frac{\sqrt{2}{\left (2 \, c x - b\right )} \sqrt{\frac{c}{\pi }}}{2 \, c}\right ) \sin \left (\frac{b^{2} + 4 \, a c}{4 \, c}\right )}{2 \, c} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.620332, size = 94, normalized size = 0.95 \begin{align*} \frac{\sqrt{2} \sqrt{\pi } \sqrt{- \frac{1}{c}} \left (- \sin{\left (a + \frac{b^{2}}{4 c} \right )} S\left (\frac{\sqrt{2} \left (b - 2 c x\right )}{2 \sqrt{\pi } \sqrt{- c}}\right ) + \cos{\left (a + \frac{b^{2}}{4 c} \right )} C\left (\frac{\sqrt{2} \left (b - 2 c x\right )}{2 \sqrt{\pi } \sqrt{- c}}\right )\right )}{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [C] time = 1.17801, size = 185, normalized size = 1.87 \begin{align*} -\frac{\sqrt{2} \sqrt{\pi } \operatorname{erf}\left (-\frac{1}{4} \, \sqrt{2}{\left (2 \, x - \frac{b}{c}\right )}{\left (-\frac{i \, c}{{\left | c \right |}} + 1\right )} \sqrt{{\left | c \right |}}\right ) e^{\left (-\frac{i \, b^{2} + 4 i \, a c}{4 \, c}\right )}}{4 \,{\left (-\frac{i \, c}{{\left | c \right |}} + 1\right )} \sqrt{{\left | c \right |}}} - \frac{\sqrt{2} \sqrt{\pi } \operatorname{erf}\left (-\frac{1}{4} \, \sqrt{2}{\left (2 \, x - \frac{b}{c}\right )}{\left (\frac{i \, c}{{\left | c \right |}} + 1\right )} \sqrt{{\left | c \right |}}\right ) e^{\left (-\frac{-i \, b^{2} - 4 i \, a c}{4 \, c}\right )}}{4 \,{\left (\frac{i \, c}{{\left | c \right |}} + 1\right )} \sqrt{{\left | c \right |}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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