Integrand size = 18, antiderivative size = 18 \[ \int \frac {\cos ^2\left (a+b x-c x^2\right )}{x} \, dx=\frac {\log (x)}{2}+\frac {1}{2} \text {Int}\left (\frac {\cos \left (2 a+2 b x-2 c x^2\right )}{x},x\right ) \]
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Not integrable
Time = 0.03 (sec) , antiderivative size = 18, 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 = {} \[ \int \frac {\cos ^2\left (a+b x-c x^2\right )}{x} \, dx=\int \frac {\cos ^2\left (a+b x-c x^2\right )}{x} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {1}{2 x}+\frac {\cos \left (2 a+2 b x-2 c x^2\right )}{2 x}\right ) \, dx \\ & = \frac {\log (x)}{2}+\frac {1}{2} \int \frac {\cos \left (2 a+2 b x-2 c x^2\right )}{x} \, dx \\ \end{align*}
Not integrable
Time = 4.13 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int \frac {\cos ^2\left (a+b x-c x^2\right )}{x} \, dx=\int \frac {\cos ^2\left (a+b x-c x^2\right )}{x} \, dx \]
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Not integrable
Time = 0.39 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00
\[\int \frac {\cos ^{2}\left (-c \,x^{2}+b x +a \right )}{x}d x\]
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Not integrable
Time = 0.27 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.22 \[ \int \frac {\cos ^2\left (a+b x-c x^2\right )}{x} \, dx=\int { \frac {\cos \left (-c x^{2} + b x + a\right )^{2}}{x} \,d x } \]
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Not integrable
Time = 0.84 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83 \[ \int \frac {\cos ^2\left (a+b x-c x^2\right )}{x} \, dx=\int \frac {\cos ^{2}{\left (a + b x - c x^{2} \right )}}{x}\, dx \]
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Not integrable
Time = 0.38 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.56 \[ \int \frac {\cos ^2\left (a+b x-c x^2\right )}{x} \, dx=\int { \frac {\cos \left (-c x^{2} + b x + a\right )^{2}}{x} \,d x } \]
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Not integrable
Time = 0.50 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int \frac {\cos ^2\left (a+b x-c x^2\right )}{x} \, dx=\int { \frac {\cos \left (-c x^{2} + b x + a\right )^{2}}{x} \,d x } \]
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Not integrable
Time = 13.40 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int \frac {\cos ^2\left (a+b x-c x^2\right )}{x} \, dx=\int \frac {{\cos \left (-c\,x^2+b\,x+a\right )}^2}{x} \,d x \]
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