3.177 \(\int \frac{\cos (\frac{1}{2} b^2 \pi x^2)}{\text{FresnelC}(b x)^2} \, dx\)

Optimal. Leaf size=11 \[ -\frac{1}{b \text{FresnelC}(b x)} \]

[Out]

-(1/(b*FresnelC[b*x]))

________________________________________________________________________________________

Rubi [A]  time = 0.0149059, antiderivative size = 11, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.105, Rules used = {6441, 30} \[ -\frac{1}{b \text{FresnelC}(b x)} \]

Antiderivative was successfully verified.

[In]

Int[Cos[(b^2*Pi*x^2)/2]/FresnelC[b*x]^2,x]

[Out]

-(1/(b*FresnelC[b*x]))

Rule 6441

Int[Cos[(d_.)*(x_)^2]*FresnelC[(b_.)*(x_)]^(n_.), x_Symbol] :> Dist[(Pi*b)/(2*d), Subst[Int[x^n, x], x, Fresne
lC[b*x]], x] /; FreeQ[{b, d, n}, x] && EqQ[d^2, (Pi^2*b^4)/4]

Rule 30

Int[(x_)^(m_.), x_Symbol] :> Simp[x^(m + 1)/(m + 1), x] /; FreeQ[m, x] && NeQ[m, -1]

Rubi steps

\begin{align*} \int \frac{\cos \left (\frac{1}{2} b^2 \pi x^2\right )}{C(b x)^2} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{1}{x^2} \, dx,x,C(b x)\right )}{b}\\ &=-\frac{1}{b C(b x)}\\ \end{align*}

Mathematica [A]  time = 0.0055501, size = 11, normalized size = 1. \[ -\frac{1}{b \text{FresnelC}(b x)} \]

Antiderivative was successfully verified.

[In]

Integrate[Cos[(b^2*Pi*x^2)/2]/FresnelC[b*x]^2,x]

[Out]

-(1/(b*FresnelC[b*x]))

________________________________________________________________________________________

Maple [A]  time = 0.044, size = 12, normalized size = 1.1 \begin{align*} -{\frac{1}{b{\it FresnelC} \left ( bx \right ) }} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(cos(1/2*b^2*Pi*x^2)/FresnelC(b*x)^2,x)

[Out]

-1/b/FresnelC(b*x)

________________________________________________________________________________________

Maxima [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\cos \left (\frac{1}{2} \, \pi b^{2} x^{2}\right )}{{\rm fresnelc}\left (b x\right )^{2}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cos(1/2*b^2*pi*x^2)/fresnelc(b*x)^2,x, algorithm="maxima")

[Out]

integrate(cos(1/2*pi*b^2*x^2)/fresnelc(b*x)^2, x)

________________________________________________________________________________________

Fricas [F]  time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{\cos \left (\frac{1}{2} \, \pi b^{2} x^{2}\right )}{{\rm fresnelc}\left (b x\right )^{2}}, x\right ) \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cos(1/2*b^2*pi*x^2)/fresnelc(b*x)^2,x, algorithm="fricas")

[Out]

integral(cos(1/2*pi*b^2*x^2)/fresnelc(b*x)^2, x)

________________________________________________________________________________________

Sympy [A]  time = 0.797724, size = 12, normalized size = 1.09 \begin{align*} \begin{cases} - \frac{1}{b C\left (b x\right )} & \text{for}\: b \neq 0 \\\tilde{\infty } x & \text{otherwise} \end{cases} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cos(1/2*b**2*pi*x**2)/fresnelc(b*x)**2,x)

[Out]

Piecewise((-1/(b*fresnelc(b*x)), Ne(b, 0)), (zoo*x, True))

________________________________________________________________________________________

Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\cos \left (\frac{1}{2} \, \pi b^{2} x^{2}\right )}{{\rm fresnelc}\left (b x\right )^{2}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cos(1/2*b^2*pi*x^2)/fresnelc(b*x)^2,x, algorithm="giac")

[Out]

integrate(cos(1/2*pi*b^2*x^2)/fresnelc(b*x)^2, x)