Optimal. Leaf size=102 \[ -\frac{1}{2} b^2 \text{CannotIntegrate}\left (\frac{\text{CosIntegral}(b x) \sin (b x)}{x},x\right )-b^2 \text{Si}(2 b x)-\frac{\text{CosIntegral}(b x) \sin (b x)}{2 x^2}-\frac{b \text{CosIntegral}(b x) \cos (b x)}{2 x}-\frac{\sin (2 b x)}{8 x^2}-\frac{b \cos ^2(b x)}{2 x}-\frac{b \cos (2 b x)}{4 x} \]
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Rubi [A] time = 0.250831, antiderivative size = 0, normalized size of antiderivative = 0., number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0., Rules used = {} \[ \int \frac{\text{CosIntegral}(b x) \sin (b x)}{x^3} \, dx \]
Verification is Not applicable to the result.
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Rubi steps
\begin{align*} \int \frac{\text{Ci}(b x) \sin (b x)}{x^3} \, dx &=-\frac{\text{Ci}(b x) \sin (b x)}{2 x^2}+\frac{1}{2} b \int \frac{\cos (b x) \text{Ci}(b x)}{x^2} \, dx+\frac{1}{2} b \int \frac{\cos (b x) \sin (b x)}{b x^3} \, dx\\ &=-\frac{b \cos (b x) \text{Ci}(b x)}{2 x}-\frac{\text{Ci}(b x) \sin (b x)}{2 x^2}+\frac{1}{2} \int \frac{\cos (b x) \sin (b x)}{x^3} \, dx+\frac{1}{2} b^2 \int \frac{\cos ^2(b x)}{b x^2} \, dx-\frac{1}{2} b^2 \int \frac{\text{Ci}(b x) \sin (b x)}{x} \, dx\\ &=-\frac{b \cos (b x) \text{Ci}(b x)}{2 x}-\frac{\text{Ci}(b x) \sin (b x)}{2 x^2}+\frac{1}{2} \int \frac{\sin (2 b x)}{2 x^3} \, dx+\frac{1}{2} b \int \frac{\cos ^2(b x)}{x^2} \, dx-\frac{1}{2} b^2 \int \frac{\text{Ci}(b x) \sin (b x)}{x} \, dx\\ &=-\frac{b \cos ^2(b x)}{2 x}-\frac{b \cos (b x) \text{Ci}(b x)}{2 x}-\frac{\text{Ci}(b x) \sin (b x)}{2 x^2}+\frac{1}{4} \int \frac{\sin (2 b x)}{x^3} \, dx-\frac{1}{2} b^2 \int \frac{\text{Ci}(b x) \sin (b x)}{x} \, dx+b^2 \int -\frac{\sin (2 b x)}{2 x} \, dx\\ &=-\frac{b \cos ^2(b x)}{2 x}-\frac{b \cos (b x) \text{Ci}(b x)}{2 x}-\frac{\text{Ci}(b x) \sin (b x)}{2 x^2}-\frac{\sin (2 b x)}{8 x^2}+\frac{1}{4} b \int \frac{\cos (2 b x)}{x^2} \, dx-\frac{1}{2} b^2 \int \frac{\text{Ci}(b x) \sin (b x)}{x} \, dx-\frac{1}{2} b^2 \int \frac{\sin (2 b x)}{x} \, dx\\ &=-\frac{b \cos ^2(b x)}{2 x}-\frac{b \cos (2 b x)}{4 x}-\frac{b \cos (b x) \text{Ci}(b x)}{2 x}-\frac{\text{Ci}(b x) \sin (b x)}{2 x^2}-\frac{\sin (2 b x)}{8 x^2}-\frac{1}{2} b^2 \text{Si}(2 b x)-\frac{1}{2} b^2 \int \frac{\text{Ci}(b x) \sin (b x)}{x} \, dx-\frac{1}{2} b^2 \int \frac{\sin (2 b x)}{x} \, dx\\ &=-\frac{b \cos ^2(b x)}{2 x}-\frac{b \cos (2 b x)}{4 x}-\frac{b \cos (b x) \text{Ci}(b x)}{2 x}-\frac{\text{Ci}(b x) \sin (b x)}{2 x^2}-\frac{\sin (2 b x)}{8 x^2}-b^2 \text{Si}(2 b x)-\frac{1}{2} b^2 \int \frac{\text{Ci}(b x) \sin (b x)}{x} \, dx\\ \end{align*}
Mathematica [A] time = 1.46596, size = 0, normalized size = 0. \[ \int \frac{\text{CosIntegral}(b x) \sin (b x)}{x^3} \, dx \]
Verification is Not applicable to the result.
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Maple [A] time = 0.056, size = 0, normalized size = 0. \begin{align*} \int{\frac{{\it Ci} \left ( bx \right ) \sin \left ( bx \right ) }{{x}^{3}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\rm Ci}\left (b x\right ) \sin \left (b x\right )}{x^{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{\operatorname{Ci}\left (b x\right ) \sin \left (b x\right )}{x^{3}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sin{\left (b x \right )} \operatorname{Ci}{\left (b x \right )}}{x^{3}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\rm Ci}\left (b x\right ) \sin \left (b x\right )}{x^{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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