Integrand size = 10, antiderivative size = 253 \[ \int x^7 \operatorname {FresnelS}(b x)^2 \, dx=-\frac {105 x^2}{16 b^6 \pi ^4}+\frac {7 x^6}{48 b^2 \pi ^2}-\frac {55 x^2 \cos \left (b^2 \pi x^2\right )}{16 b^6 \pi ^4}+\frac {x^6 \cos \left (b^2 \pi x^2\right )}{16 b^2 \pi ^2}-\frac {35 x^3 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b^5 \pi ^3}+\frac {x^7 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b \pi }-\frac {105 \operatorname {FresnelS}(b x)^2}{8 b^8 \pi ^4}+\frac {1}{8} x^8 \operatorname {FresnelS}(b x)^2+\frac {105 x \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^7 \pi ^4}-\frac {7 x^5 \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^3 \pi ^2}+\frac {10 \sin \left (b^2 \pi x^2\right )}{b^8 \pi ^5}-\frac {5 x^4 \sin \left (b^2 \pi x^2\right )}{8 b^4 \pi ^3} \]
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Time = 0.31 (sec) , antiderivative size = 253, normalized size of antiderivative = 1.00, number of steps used = 23, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 1.000, Rules used = {6565, 6589, 6597, 3460, 3390, 30, 3377, 2717, 2714, 6575} \[ \int x^7 \operatorname {FresnelS}(b x)^2 \, dx=-\frac {105 \operatorname {FresnelS}(b x)^2}{8 \pi ^4 b^8}-\frac {105 x^2}{16 \pi ^4 b^6}+\frac {x^7 \operatorname {FresnelS}(b x) \cos \left (\frac {1}{2} \pi b^2 x^2\right )}{4 \pi b}+\frac {7 x^6}{48 \pi ^2 b^2}+\frac {x^6 \cos \left (\pi b^2 x^2\right )}{16 \pi ^2 b^2}+\frac {10 \sin \left (\pi b^2 x^2\right )}{\pi ^5 b^8}+\frac {105 x \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} \pi b^2 x^2\right )}{4 \pi ^4 b^7}-\frac {55 x^2 \cos \left (\pi b^2 x^2\right )}{16 \pi ^4 b^6}-\frac {35 x^3 \operatorname {FresnelS}(b x) \cos \left (\frac {1}{2} \pi b^2 x^2\right )}{4 \pi ^3 b^5}-\frac {5 x^4 \sin \left (\pi b^2 x^2\right )}{8 \pi ^3 b^4}-\frac {7 x^5 \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} \pi b^2 x^2\right )}{4 \pi ^2 b^3}+\frac {1}{8} x^8 \operatorname {FresnelS}(b x)^2 \]
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Rule 30
Rule 2714
Rule 2717
Rule 3377
Rule 3390
Rule 3460
Rule 6565
Rule 6575
Rule 6589
Rule 6597
Rubi steps \begin{align*} \text {integral}& = \frac {1}{8} x^8 \operatorname {FresnelS}(b x)^2-\frac {1}{4} b \int x^8 \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right ) \, dx \\ & = \frac {x^7 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b \pi }+\frac {1}{8} x^8 \operatorname {FresnelS}(b x)^2-\frac {\int x^7 \sin \left (b^2 \pi x^2\right ) \, dx}{8 \pi }-\frac {7 \int x^6 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x) \, dx}{4 b \pi } \\ & = \frac {x^7 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b \pi }+\frac {1}{8} x^8 \operatorname {FresnelS}(b x)^2-\frac {7 x^5 \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^3 \pi ^2}+\frac {35 \int x^4 \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right ) \, dx}{4 b^3 \pi ^2}+\frac {7 \int x^5 \sin ^2\left (\frac {1}{2} b^2 \pi x^2\right ) \, dx}{4 b^2 \pi ^2}-\frac {\text {Subst}\left (\int x^3 \sin \left (b^2 \pi x\right ) \, dx,x,x^2\right )}{16 \pi } \\ & = \frac {x^6 \cos \left (b^2 \pi x^2\right )}{16 b^2 \pi ^2}-\frac {35 x^3 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b^5 \pi ^3}+\frac {x^7 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b \pi }+\frac {1}{8} x^8 \operatorname {FresnelS}(b x)^2-\frac {7 x^5 \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^3 \pi ^2}+\frac {105 \int x^2 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x) \, dx}{4 b^5 \pi ^3}+\frac {35 \int x^3 \sin \left (b^2 \pi x^2\right ) \, dx}{8 b^4 \pi ^3}-\frac {3 \text {Subst}\left (\int x^2 \cos \left (b^2 \pi x\right ) \, dx,x,x^2\right )}{16 b^2 \pi ^2}+\frac {7 \text {Subst}\left (\int x^2 \sin ^2\left (\frac {1}{2} b^2 \pi x\right ) \, dx,x,x^2\right )}{8 b^2 \pi ^2} \\ & = \frac {x^6 \cos \left (b^2 \pi x^2\right )}{16 b^2 \pi ^2}-\frac {35 x^3 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b^5 \pi ^3}+\frac {x^7 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b \pi }+\frac {1}{8} x^8 \operatorname {FresnelS}(b x)^2+\frac {105 x \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^7 \pi ^4}-\frac {7 x^5 \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^3 \pi ^2}-\frac {3 x^4 \sin \left (b^2 \pi x^2\right )}{16 b^4 \pi ^3}-\frac {105 \int \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right ) \, dx}{4 b^7 \pi ^4}-\frac {105 \int x \sin ^2\left (\frac {1}{2} b^2 \pi x^2\right ) \, dx}{4 b^6 \pi ^4}+\frac {3 \text {Subst}\left (\int x \sin \left (b^2 \pi x\right ) \, dx,x,x^2\right )}{8 b^4 \pi ^3}+\frac {35 \text {Subst}\left (\int x \sin \left (b^2 \pi x\right ) \, dx,x,x^2\right )}{16 b^4 \pi ^3}+\frac {7 \text {Subst}\left (\int x^2 \, dx,x,x^2\right )}{16 b^2 \pi ^2}-\frac {7 \text {Subst}\left (\int x^2 \cos \left (b^2 \pi x\right ) \, dx,x,x^2\right )}{16 b^2 \pi ^2} \\ & = \frac {7 x^6}{48 b^2 \pi ^2}-\frac {41 x^2 \cos \left (b^2 \pi x^2\right )}{16 b^6 \pi ^4}+\frac {x^6 \cos \left (b^2 \pi x^2\right )}{16 b^2 \pi ^2}-\frac {35 x^3 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b^5 \pi ^3}+\frac {x^7 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b \pi }+\frac {1}{8} x^8 \operatorname {FresnelS}(b x)^2+\frac {105 x \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^7 \pi ^4}-\frac {7 x^5 \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^3 \pi ^2}-\frac {5 x^4 \sin \left (b^2 \pi x^2\right )}{8 b^4 \pi ^3}-\frac {105 \text {Subst}(\int x \, dx,x,\operatorname {FresnelS}(b x))}{4 b^8 \pi ^4}+\frac {3 \text {Subst}\left (\int \cos \left (b^2 \pi x\right ) \, dx,x,x^2\right )}{8 b^6 \pi ^4}+\frac {35 \text {Subst}\left (\int \cos \left (b^2 \pi x\right ) \, dx,x,x^2\right )}{16 b^6 \pi ^4}-\frac {105 \text {Subst}\left (\int \sin ^2\left (\frac {1}{2} b^2 \pi x\right ) \, dx,x,x^2\right )}{8 b^6 \pi ^4}+\frac {7 \text {Subst}\left (\int x \sin \left (b^2 \pi x\right ) \, dx,x,x^2\right )}{8 b^4 \pi ^3} \\ & = -\frac {105 x^2}{16 b^6 \pi ^4}+\frac {7 x^6}{48 b^2 \pi ^2}-\frac {55 x^2 \cos \left (b^2 \pi x^2\right )}{16 b^6 \pi ^4}+\frac {x^6 \cos \left (b^2 \pi x^2\right )}{16 b^2 \pi ^2}-\frac {35 x^3 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b^5 \pi ^3}+\frac {x^7 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b \pi }-\frac {105 \operatorname {FresnelS}(b x)^2}{8 b^8 \pi ^4}+\frac {1}{8} x^8 \operatorname {FresnelS}(b x)^2+\frac {105 x \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^7 \pi ^4}-\frac {7 x^5 \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^3 \pi ^2}+\frac {73 \sin \left (b^2 \pi x^2\right )}{8 b^8 \pi ^5}-\frac {5 x^4 \sin \left (b^2 \pi x^2\right )}{8 b^4 \pi ^3}+\frac {7 \text {Subst}\left (\int \cos \left (b^2 \pi x\right ) \, dx,x,x^2\right )}{8 b^6 \pi ^4} \\ & = -\frac {105 x^2}{16 b^6 \pi ^4}+\frac {7 x^6}{48 b^2 \pi ^2}-\frac {55 x^2 \cos \left (b^2 \pi x^2\right )}{16 b^6 \pi ^4}+\frac {x^6 \cos \left (b^2 \pi x^2\right )}{16 b^2 \pi ^2}-\frac {35 x^3 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b^5 \pi ^3}+\frac {x^7 \cos \left (\frac {1}{2} b^2 \pi x^2\right ) \operatorname {FresnelS}(b x)}{4 b \pi }-\frac {105 \operatorname {FresnelS}(b x)^2}{8 b^8 \pi ^4}+\frac {1}{8} x^8 \operatorname {FresnelS}(b x)^2+\frac {105 x \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^7 \pi ^4}-\frac {7 x^5 \operatorname {FresnelS}(b x) \sin \left (\frac {1}{2} b^2 \pi x^2\right )}{4 b^3 \pi ^2}+\frac {10 \sin \left (b^2 \pi x^2\right )}{b^8 \pi ^5}-\frac {5 x^4 \sin \left (b^2 \pi x^2\right )}{8 b^4 \pi ^3} \\ \end{align*}
Time = 0.10 (sec) , antiderivative size = 181, normalized size of antiderivative = 0.72 \[ \int x^7 \operatorname {FresnelS}(b x)^2 \, dx=\frac {-315 b^2 \pi x^2+7 b^6 \pi ^3 x^6+3 b^2 \pi x^2 \left (-55+b^4 \pi ^2 x^4\right ) \cos \left (b^2 \pi x^2\right )+6 \pi \left (-105+b^8 \pi ^4 x^8\right ) \operatorname {FresnelS}(b x)^2+12 b \pi x \operatorname {FresnelS}(b x) \left (b^2 \pi x^2 \left (-35+b^4 \pi ^2 x^4\right ) \cos \left (\frac {1}{2} b^2 \pi x^2\right )-7 \left (-15+b^4 \pi ^2 x^4\right ) \sin \left (\frac {1}{2} b^2 \pi x^2\right )\right )+480 \sin \left (b^2 \pi x^2\right )-30 b^4 \pi ^2 x^4 \sin \left (b^2 \pi x^2\right )}{48 b^8 \pi ^5} \]
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\[\int x^{7} \operatorname {FresnelS}\left (b x \right )^{2}d x\]
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Time = 0.26 (sec) , antiderivative size = 183, normalized size of antiderivative = 0.72 \[ \int x^7 \operatorname {FresnelS}(b x)^2 \, dx=\frac {2 \, \pi ^{3} b^{6} x^{6} - 75 \, \pi b^{2} x^{2} + 3 \, {\left (\pi ^{3} b^{6} x^{6} - 55 \, \pi b^{2} x^{2}\right )} \cos \left (\frac {1}{2} \, \pi b^{2} x^{2}\right )^{2} + 6 \, {\left (\pi ^{4} b^{7} x^{7} - 35 \, \pi ^{2} b^{3} x^{3}\right )} \cos \left (\frac {1}{2} \, \pi b^{2} x^{2}\right ) \operatorname {S}\left (b x\right ) - 3 \, {\left (105 \, \pi - \pi ^{5} b^{8} x^{8}\right )} \operatorname {S}\left (b x\right )^{2} - 6 \, {\left (5 \, {\left (\pi ^{2} b^{4} x^{4} - 16\right )} \cos \left (\frac {1}{2} \, \pi b^{2} x^{2}\right ) + 7 \, {\left (\pi ^{3} b^{5} x^{5} - 15 \, \pi b x\right )} \operatorname {S}\left (b x\right )\right )} \sin \left (\frac {1}{2} \, \pi b^{2} x^{2}\right )}{24 \, \pi ^{5} b^{8}} \]
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\[ \int x^7 \operatorname {FresnelS}(b x)^2 \, dx=\int x^{7} S^{2}\left (b x\right )\, dx \]
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\[ \int x^7 \operatorname {FresnelS}(b x)^2 \, dx=\int { x^{7} \operatorname {S}\left (b x\right )^{2} \,d x } \]
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\[ \int x^7 \operatorname {FresnelS}(b x)^2 \, dx=\int { x^{7} \operatorname {S}\left (b x\right )^{2} \,d x } \]
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Timed out. \[ \int x^7 \operatorname {FresnelS}(b x)^2 \, dx=\int x^7\,{\mathrm {FresnelS}\left (b\,x\right )}^2 \,d x \]
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