Optimal. Leaf size=126 \[ -\frac {3 \text {Ci}(2 b x)}{b^4}-\frac {6 \text {Si}(b x) \sin (b x)}{b^4}+\frac {3 \log (x)}{b^4}-\frac {4 \sin ^2(b x)}{b^4}+\frac {6 x \text {Si}(b x) \cos (b x)}{b^3}+\frac {2 x \sin (b x) \cos (b x)}{b^3}+\frac {3 x^2 \text {Si}(b x) \sin (b x)}{b^2}-\frac {x^2}{b^2}+\frac {x^2 \sin ^2(b x)}{2 b^2}-\frac {x^3 \text {Si}(b x) \cos (b x)}{b} \]
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Rubi [A] time = 0.19, antiderivative size = 126, normalized size of antiderivative = 1.00, number of steps used = 18, number of rules used = 10, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.833, Rules used = {6513, 12, 3443, 3310, 30, 6519, 2564, 6517, 3312, 3302} \[ -\frac {3 \text {CosIntegral}(2 b x)}{b^4}+\frac {3 x^2 \text {Si}(b x) \sin (b x)}{b^2}-\frac {6 \text {Si}(b x) \sin (b x)}{b^4}+\frac {6 x \text {Si}(b x) \cos (b x)}{b^3}-\frac {x^2}{b^2}+\frac {x^2 \sin ^2(b x)}{2 b^2}+\frac {3 \log (x)}{b^4}-\frac {4 \sin ^2(b x)}{b^4}+\frac {2 x \sin (b x) \cos (b x)}{b^3}-\frac {x^3 \text {Si}(b x) \cos (b x)}{b} \]
Antiderivative was successfully verified.
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Rule 12
Rule 30
Rule 2564
Rule 3302
Rule 3310
Rule 3312
Rule 3443
Rule 6513
Rule 6517
Rule 6519
Rubi steps
\begin {align*} \int x^3 \sin (b x) \text {Si}(b x) \, dx &=-\frac {x^3 \cos (b x) \text {Si}(b x)}{b}+\frac {3 \int x^2 \cos (b x) \text {Si}(b x) \, dx}{b}+\int \frac {x^2 \cos (b x) \sin (b x)}{b} \, dx\\ &=-\frac {x^3 \cos (b x) \text {Si}(b x)}{b}+\frac {3 x^2 \sin (b x) \text {Si}(b x)}{b^2}-\frac {6 \int x \sin (b x) \text {Si}(b x) \, dx}{b^2}+\frac {\int x^2 \cos (b x) \sin (b x) \, dx}{b}-\frac {3 \int \frac {x \sin ^2(b x)}{b} \, dx}{b}\\ &=\frac {x^2 \sin ^2(b x)}{2 b^2}+\frac {6 x \cos (b x) \text {Si}(b x)}{b^3}-\frac {x^3 \cos (b x) \text {Si}(b x)}{b}+\frac {3 x^2 \sin (b x) \text {Si}(b x)}{b^2}-\frac {6 \int \cos (b x) \text {Si}(b x) \, dx}{b^3}-\frac {\int x \sin ^2(b x) \, dx}{b^2}-\frac {3 \int x \sin ^2(b x) \, dx}{b^2}-\frac {6 \int \frac {\cos (b x) \sin (b x)}{b} \, dx}{b^2}\\ &=\frac {2 x \cos (b x) \sin (b x)}{b^3}-\frac {\sin ^2(b x)}{b^4}+\frac {x^2 \sin ^2(b x)}{2 b^2}+\frac {6 x \cos (b x) \text {Si}(b x)}{b^3}-\frac {x^3 \cos (b x) \text {Si}(b x)}{b}-\frac {6 \sin (b x) \text {Si}(b x)}{b^4}+\frac {3 x^2 \sin (b x) \text {Si}(b x)}{b^2}-\frac {6 \int \cos (b x) \sin (b x) \, dx}{b^3}+\frac {6 \int \frac {\sin ^2(b x)}{b x} \, dx}{b^3}-\frac {\int x \, dx}{2 b^2}-\frac {3 \int x \, dx}{2 b^2}\\ &=-\frac {x^2}{b^2}+\frac {2 x \cos (b x) \sin (b x)}{b^3}-\frac {\sin ^2(b x)}{b^4}+\frac {x^2 \sin ^2(b x)}{2 b^2}+\frac {6 x \cos (b x) \text {Si}(b x)}{b^3}-\frac {x^3 \cos (b x) \text {Si}(b x)}{b}-\frac {6 \sin (b x) \text {Si}(b x)}{b^4}+\frac {3 x^2 \sin (b x) \text {Si}(b x)}{b^2}+\frac {6 \int \frac {\sin ^2(b x)}{x} \, dx}{b^4}-\frac {6 \operatorname {Subst}(\int x \, dx,x,\sin (b x))}{b^4}\\ &=-\frac {x^2}{b^2}+\frac {2 x \cos (b x) \sin (b x)}{b^3}-\frac {4 \sin ^2(b x)}{b^4}+\frac {x^2 \sin ^2(b x)}{2 b^2}+\frac {6 x \cos (b x) \text {Si}(b x)}{b^3}-\frac {x^3 \cos (b x) \text {Si}(b x)}{b}-\frac {6 \sin (b x) \text {Si}(b x)}{b^4}+\frac {3 x^2 \sin (b x) \text {Si}(b x)}{b^2}+\frac {6 \int \left (\frac {1}{2 x}-\frac {\cos (2 b x)}{2 x}\right ) \, dx}{b^4}\\ &=-\frac {x^2}{b^2}+\frac {3 \log (x)}{b^4}+\frac {2 x \cos (b x) \sin (b x)}{b^3}-\frac {4 \sin ^2(b x)}{b^4}+\frac {x^2 \sin ^2(b x)}{2 b^2}+\frac {6 x \cos (b x) \text {Si}(b x)}{b^3}-\frac {x^3 \cos (b x) \text {Si}(b x)}{b}-\frac {6 \sin (b x) \text {Si}(b x)}{b^4}+\frac {3 x^2 \sin (b x) \text {Si}(b x)}{b^2}-\frac {3 \int \frac {\cos (2 b x)}{x} \, dx}{b^4}\\ &=-\frac {x^2}{b^2}-\frac {3 \text {Ci}(2 b x)}{b^4}+\frac {3 \log (x)}{b^4}+\frac {2 x \cos (b x) \sin (b x)}{b^3}-\frac {4 \sin ^2(b x)}{b^4}+\frac {x^2 \sin ^2(b x)}{2 b^2}+\frac {6 x \cos (b x) \text {Si}(b x)}{b^3}-\frac {x^3 \cos (b x) \text {Si}(b x)}{b}-\frac {6 \sin (b x) \text {Si}(b x)}{b^4}+\frac {3 x^2 \sin (b x) \text {Si}(b x)}{b^2}\\ \end {align*}
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Mathematica [A] time = 0.22, size = 93, normalized size = 0.74 \[ -\frac {4 \text {Si}(b x) \left (b x \left (b^2 x^2-6\right ) \cos (b x)-3 \left (b^2 x^2-2\right ) \sin (b x)\right )+3 b^2 x^2+b^2 x^2 \cos (2 b x)+12 \text {Ci}(2 b x)-4 b x \sin (2 b x)-8 \cos (2 b x)-12 \log (x)}{4 b^4} \]
Antiderivative was successfully verified.
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fricas [F] time = 2.92, size = 0, normalized size = 0.00 \[ {\rm integral}\left (x^{3} \sin \left (b x\right ) \operatorname {Si}\left (b x\right ), x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.18, size = 106, normalized size = 0.84 \[ -{\left (\frac {{\left (b^{3} x^{3} - 6 \, b x\right )} \cos \left (b x\right )}{b^{4}} - \frac {3 \, {\left (b^{2} x^{2} - 2\right )} \sin \left (b x\right )}{b^{4}}\right )} \operatorname {Si}\left (b x\right ) - \frac {b^{2} x^{2} \cos \left (2 \, b x\right ) + 3 \, b^{2} x^{2} - 4 \, b x \sin \left (2 \, b x\right ) - 8 \, \cos \left (2 \, b x\right ) + 6 \, \operatorname {Ci}\left (2 \, b x\right ) + 6 \, \operatorname {Ci}\left (-2 \, b x\right ) - 12 \, \log \relax (x)}{4 \, b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.02, size = 138, normalized size = 1.10 \[ -\frac {x^{3} \cos \left (b x \right ) \Si \left (b x \right )}{b}+\frac {3 x^{2} \Si \left (b x \right ) \sin \left (b x \right )}{b^{2}}+\frac {6 x \cos \left (b x \right ) \Si \left (b x \right )}{b^{3}}-\frac {6 \Si \left (b x \right ) \sin \left (b x \right )}{b^{4}}-\frac {x^{2} \left (\cos ^{2}\left (b x \right )\right )}{2 b^{2}}+\frac {2 x \cos \left (b x \right ) \sin \left (b x \right )}{b^{3}}-\frac {x^{2}}{2 b^{2}}-\frac {\sin ^{2}\left (b x \right )}{b^{4}}+\frac {3 \ln \left (b x \right )}{b^{4}}-\frac {3 \Ci \left (2 b x \right )}{b^{4}}+\frac {3 \left (\cos ^{2}\left (b x \right )\right )}{b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int x^{3} {\rm Si}\left (b x\right ) \sin \left (b x\right )\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int x^3\,\mathrm {sinint}\left (b\,x\right )\,\sin \left (b\,x\right ) \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int x^{3} \sin {\left (b x \right )} \operatorname {Si}{\left (b x \right )}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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