Integrand size = 19, antiderivative size = 11 \[ \int \frac {\cos \left (\frac {1}{2} b^2 \pi x^2\right )}{\operatorname {FresnelC}(b x)^2} \, dx=-\frac {1}{b \operatorname {FresnelC}(b x)} \]
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Time = 0.01 (sec) , antiderivative size = 11, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {6576, 30} \[ \int \frac {\cos \left (\frac {1}{2} b^2 \pi x^2\right )}{\operatorname {FresnelC}(b x)^2} \, dx=-\frac {1}{b \operatorname {FresnelC}(b x)} \]
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Rule 30
Rule 6576
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {1}{x^2} \, dx,x,\operatorname {FresnelC}(b x)\right )}{b} \\ & = -\frac {1}{b \operatorname {FresnelC}(b x)} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 11, normalized size of antiderivative = 1.00 \[ \int \frac {\cos \left (\frac {1}{2} b^2 \pi x^2\right )}{\operatorname {FresnelC}(b x)^2} \, dx=-\frac {1}{b \operatorname {FresnelC}(b x)} \]
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Time = 0.56 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.09
method | result | size |
derivativedivides | \(-\frac {1}{b \,\operatorname {FresnelC}\left (b x \right )}\) | \(12\) |
default | \(-\frac {1}{b \,\operatorname {FresnelC}\left (b x \right )}\) | \(12\) |
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Time = 0.25 (sec) , antiderivative size = 11, normalized size of antiderivative = 1.00 \[ \int \frac {\cos \left (\frac {1}{2} b^2 \pi x^2\right )}{\operatorname {FresnelC}(b x)^2} \, dx=-\frac {1}{b \operatorname {C}\left (b x\right )} \]
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Time = 0.27 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.09 \[ \int \frac {\cos \left (\frac {1}{2} b^2 \pi x^2\right )}{\operatorname {FresnelC}(b x)^2} \, dx=\begin {cases} - \frac {1}{b C\left (b x\right )} & \text {for}\: b \neq 0 \\\tilde {\infty } x & \text {otherwise} \end {cases} \]
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Time = 0.18 (sec) , antiderivative size = 11, normalized size of antiderivative = 1.00 \[ \int \frac {\cos \left (\frac {1}{2} b^2 \pi x^2\right )}{\operatorname {FresnelC}(b x)^2} \, dx=-\frac {1}{b \operatorname {C}\left (b x\right )} \]
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\[ \int \frac {\cos \left (\frac {1}{2} b^2 \pi x^2\right )}{\operatorname {FresnelC}(b x)^2} \, dx=\int { \frac {\cos \left (\frac {1}{2} \, \pi b^{2} x^{2}\right )}{\operatorname {C}\left (b x\right )^{2}} \,d x } \]
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Timed out. \[ \int \frac {\cos \left (\frac {1}{2} b^2 \pi x^2\right )}{\operatorname {FresnelC}(b x)^2} \, dx=\int \frac {\cos \left (\frac {\Pi \,b^2\,x^2}{2}\right )}{{\mathrm {FresnelC}\left (b\,x\right )}^2} \,d x \]
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