110.29 Problem number 35

\[ \int x^3 S(b x)^2 \, dx \]

Optimal antiderivative \[ \frac {3 x^{2}}{8 b^{2} \pi ^{2}}+\frac {x^{2} \cos \left (b^{2} \pi \,x^{2}\right )}{8 b^{2} \pi ^{2}}+\frac {x^{3} \cos \left (\frac {b^{2} \pi \,x^{2}}{2}\right ) \mathrm {S}\left (b x \right )}{2 b \pi }+\frac {3 \mathrm {S}\left (b x \right )^{2}}{4 b^{4} \pi ^{2}}+\frac {x^{4} \mathrm {S}\left (b x \right )^{2}}{4}-\frac {3 x \,\mathrm {S}\left (b x \right ) \sin \left (\frac {b^{2} \pi \,x^{2}}{2}\right )}{2 b^{3} \pi ^{2}}-\frac {\sin \left (b^{2} \pi \,x^{2}\right )}{2 b^{4} \pi ^{3}} \]

command

integrate(x^3*fresnel_sin(b*x)^2,x, algorithm="fricas")

Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output

\[ \frac {2 \, \pi ^{2} b^{3} x^{3} \cos \left (\frac {1}{2} \, \pi b^{2} x^{2}\right ) \operatorname {S}\left (b x\right ) + \pi b^{2} x^{2} \cos \left (\frac {1}{2} \, \pi b^{2} x^{2}\right )^{2} + \pi b^{2} x^{2} + {\left (3 \, \pi + \pi ^{3} b^{4} x^{4}\right )} \operatorname {S}\left (b x\right )^{2} - 2 \, {\left (3 \, \pi b x \operatorname {S}\left (b x\right ) + 2 \, \cos \left (\frac {1}{2} \, \pi b^{2} x^{2}\right )\right )} \sin \left (\frac {1}{2} \, \pi b^{2} x^{2}\right )}{4 \, \pi ^{3} b^{4}} \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (x^{3} {\rm fresnels}\left (b x\right )^{2}, x\right ) \]