Optimal. Leaf size=96 \[ \frac{1}{4} b^2 \text{Chi}(b x)^2+b^2 \text{Chi}(2 b x)-\frac{\text{Chi}(b x) \cosh (b x)}{2 x^2}-\frac{b \text{Chi}(b x) \sinh (b x)}{2 x}-\frac{\cosh ^2(b x)}{4 x^2}-\frac{b \sinh (2 b x)}{4 x}-\frac{b \sinh (b x) \cosh (b x)}{2 x} \]
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Rubi [A] time = 0.213058, antiderivative size = 96, normalized size of antiderivative = 1., number of steps used = 14, number of rules used = 10, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.833, Rules used = {6545, 6551, 6686, 12, 5448, 3297, 3301, 3314, 29, 3312} \[ \frac{1}{4} b^2 \text{Chi}(b x)^2+b^2 \text{Chi}(2 b x)-\frac{\text{Chi}(b x) \cosh (b x)}{2 x^2}-\frac{b \text{Chi}(b x) \sinh (b x)}{2 x}-\frac{\cosh ^2(b x)}{4 x^2}-\frac{b \sinh (2 b x)}{4 x}-\frac{b \sinh (b x) \cosh (b x)}{2 x} \]
Antiderivative was successfully verified.
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Rule 6545
Rule 6551
Rule 6686
Rule 12
Rule 5448
Rule 3297
Rule 3301
Rule 3314
Rule 29
Rule 3312
Rubi steps
\begin{align*} \int \frac{\cosh (b x) \text{Chi}(b x)}{x^3} \, dx &=-\frac{\cosh (b x) \text{Chi}(b x)}{2 x^2}+\frac{1}{2} b \int \frac{\cosh ^2(b x)}{b x^3} \, dx+\frac{1}{2} b \int \frac{\text{Chi}(b x) \sinh (b x)}{x^2} \, dx\\ &=-\frac{\cosh (b x) \text{Chi}(b x)}{2 x^2}-\frac{b \text{Chi}(b x) \sinh (b x)}{2 x}+\frac{1}{2} \int \frac{\cosh ^2(b x)}{x^3} \, dx+\frac{1}{2} b^2 \int \frac{\cosh (b x) \text{Chi}(b x)}{x} \, dx+\frac{1}{2} b^2 \int \frac{\cosh (b x) \sinh (b x)}{b x^2} \, dx\\ &=-\frac{\cosh ^2(b x)}{4 x^2}-\frac{\cosh (b x) \text{Chi}(b x)}{2 x^2}+\frac{1}{4} b^2 \text{Chi}(b x)^2-\frac{b \cosh (b x) \sinh (b x)}{2 x}-\frac{b \text{Chi}(b x) \sinh (b x)}{2 x}+\frac{1}{2} b \int \frac{\cosh (b x) \sinh (b x)}{x^2} \, dx-\frac{1}{2} b^2 \int \frac{1}{x} \, dx+b^2 \int \frac{\cosh ^2(b x)}{x} \, dx\\ &=-\frac{\cosh ^2(b x)}{4 x^2}-\frac{\cosh (b x) \text{Chi}(b x)}{2 x^2}+\frac{1}{4} b^2 \text{Chi}(b x)^2-\frac{1}{2} b^2 \log (x)-\frac{b \cosh (b x) \sinh (b x)}{2 x}-\frac{b \text{Chi}(b x) \sinh (b x)}{2 x}+\frac{1}{2} b \int \frac{\sinh (2 b x)}{2 x^2} \, dx+b^2 \int \left (\frac{1}{2 x}+\frac{\cosh (2 b x)}{2 x}\right ) \, dx\\ &=-\frac{\cosh ^2(b x)}{4 x^2}-\frac{\cosh (b x) \text{Chi}(b x)}{2 x^2}+\frac{1}{4} b^2 \text{Chi}(b x)^2-\frac{b \cosh (b x) \sinh (b x)}{2 x}-\frac{b \text{Chi}(b x) \sinh (b x)}{2 x}+\frac{1}{4} b \int \frac{\sinh (2 b x)}{x^2} \, dx+\frac{1}{2} b^2 \int \frac{\cosh (2 b x)}{x} \, dx\\ &=-\frac{\cosh ^2(b x)}{4 x^2}-\frac{\cosh (b x) \text{Chi}(b x)}{2 x^2}+\frac{1}{4} b^2 \text{Chi}(b x)^2+\frac{1}{2} b^2 \text{Chi}(2 b x)-\frac{b \cosh (b x) \sinh (b x)}{2 x}-\frac{b \text{Chi}(b x) \sinh (b x)}{2 x}-\frac{b \sinh (2 b x)}{4 x}+\frac{1}{2} b^2 \int \frac{\cosh (2 b x)}{x} \, dx\\ &=-\frac{\cosh ^2(b x)}{4 x^2}-\frac{\cosh (b x) \text{Chi}(b x)}{2 x^2}+\frac{1}{4} b^2 \text{Chi}(b x)^2+b^2 \text{Chi}(2 b x)-\frac{b \cosh (b x) \sinh (b x)}{2 x}-\frac{b \text{Chi}(b x) \sinh (b x)}{2 x}-\frac{b \sinh (2 b x)}{4 x}\\ \end{align*}
Mathematica [A] time = 0.016309, size = 96, normalized size = 1. \[ \frac{1}{4} b^2 \text{Chi}(b x)^2+b^2 \text{Chi}(2 b x)-\frac{\text{Chi}(b x) \cosh (b x)}{2 x^2}-\frac{b \text{Chi}(b x) \sinh (b x)}{2 x}-\frac{\cosh ^2(b x)}{4 x^2}-\frac{b \sinh (2 b x)}{4 x}-\frac{b \sinh (b x) \cosh (b x)}{2 x} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.054, size = 0, normalized size = 0. \begin{align*} \int{\frac{{\it Chi} \left ( bx \right ) \cosh \left ( bx \right ) }{{x}^{3}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\rm Chi}\left (b x\right ) \cosh \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 [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{\cosh \left (b x\right ) \operatorname{Chi}\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 [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\cosh{\left (b x \right )} \operatorname{Chi}\left (b x\right )}{x^{3}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\rm Chi}\left (b x\right ) \cosh \left (b x\right )}{x^{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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