Optimal. Leaf size=74 \[ -\frac{\text{Chi}(2 b x)}{2 b^2}+\frac{\text{Shi}(b x) \sinh (b x)}{b^2}+\frac{\log (x)}{2 b^2}+\frac{\sinh ^2(b x)}{2 b^2}+\frac{1}{2} x^2 \text{Shi}(b x)^2-\frac{x \text{Shi}(b x) \cosh (b x)}{b} \]
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Rubi [A] time = 0.0954298, antiderivative size = 74, normalized size of antiderivative = 1., number of steps used = 10, number of rules used = 8, integrand size = 8, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 1., Rules used = {6536, 6542, 12, 2564, 30, 6546, 3312, 3301} \[ -\frac{\text{Chi}(2 b x)}{2 b^2}+\frac{\text{Shi}(b x) \sinh (b x)}{b^2}+\frac{\log (x)}{2 b^2}+\frac{\sinh ^2(b x)}{2 b^2}+\frac{1}{2} x^2 \text{Shi}(b x)^2-\frac{x \text{Shi}(b x) \cosh (b x)}{b} \]
Antiderivative was successfully verified.
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Rule 6536
Rule 6542
Rule 12
Rule 2564
Rule 30
Rule 6546
Rule 3312
Rule 3301
Rubi steps
\begin{align*} \int x \text{Shi}(b x)^2 \, dx &=\frac{1}{2} x^2 \text{Shi}(b x)^2-\int x \sinh (b x) \text{Shi}(b x) \, dx\\ &=-\frac{x \cosh (b x) \text{Shi}(b x)}{b}+\frac{1}{2} x^2 \text{Shi}(b x)^2+\frac{\int \cosh (b x) \text{Shi}(b x) \, dx}{b}+\int \frac{\cosh (b x) \sinh (b x)}{b} \, dx\\ &=-\frac{x \cosh (b x) \text{Shi}(b x)}{b}+\frac{\sinh (b x) \text{Shi}(b x)}{b^2}+\frac{1}{2} x^2 \text{Shi}(b x)^2+\frac{\int \cosh (b x) \sinh (b x) \, dx}{b}-\frac{\int \frac{\sinh ^2(b x)}{b x} \, dx}{b}\\ &=-\frac{x \cosh (b x) \text{Shi}(b x)}{b}+\frac{\sinh (b x) \text{Shi}(b x)}{b^2}+\frac{1}{2} x^2 \text{Shi}(b x)^2-\frac{\int \frac{\sinh ^2(b x)}{x} \, dx}{b^2}-\frac{\operatorname{Subst}(\int x \, dx,x,i \sinh (b x))}{b^2}\\ &=\frac{\sinh ^2(b x)}{2 b^2}-\frac{x \cosh (b x) \text{Shi}(b x)}{b}+\frac{\sinh (b x) \text{Shi}(b x)}{b^2}+\frac{1}{2} x^2 \text{Shi}(b x)^2+\frac{\int \left (\frac{1}{2 x}-\frac{\cosh (2 b x)}{2 x}\right ) \, dx}{b^2}\\ &=\frac{\log (x)}{2 b^2}+\frac{\sinh ^2(b x)}{2 b^2}-\frac{x \cosh (b x) \text{Shi}(b x)}{b}+\frac{\sinh (b x) \text{Shi}(b x)}{b^2}+\frac{1}{2} x^2 \text{Shi}(b x)^2-\frac{\int \frac{\cosh (2 b x)}{x} \, dx}{2 b^2}\\ &=-\frac{\text{Chi}(2 b x)}{2 b^2}+\frac{\log (x)}{2 b^2}+\frac{\sinh ^2(b x)}{2 b^2}-\frac{x \cosh (b x) \text{Shi}(b x)}{b}+\frac{\sinh (b x) \text{Shi}(b x)}{b^2}+\frac{1}{2} x^2 \text{Shi}(b x)^2\\ \end{align*}
Mathematica [A] time = 0.0510009, size = 58, normalized size = 0.78 \[ \frac{2 b^2 x^2 \text{Shi}(b x)^2-2 \text{Chi}(2 b x)+\text{Shi}(b x) (4 \sinh (b x)-4 b x \cosh (b x))+\cosh (2 b x)+2 \log (x)}{4 b^2} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.054, size = 69, normalized size = 0.9 \begin{align*}{\frac{{x}^{2} \left ({\it Shi} \left ( bx \right ) \right ) ^{2}}{2}}-{\frac{x\cosh \left ( bx \right ){\it Shi} \left ( bx \right ) }{b}}+{\frac{{\it Shi} \left ( bx \right ) \sinh \left ( bx \right ) }{{b}^{2}}}+{\frac{ \left ( \cosh \left ( bx \right ) \right ) ^{2}}{2\,{b}^{2}}}+{\frac{\ln \left ( bx \right ) }{2\,{b}^{2}}}-{\frac{{\it Chi} \left ( 2\,bx \right ) }{2\,{b}^{2}}} \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 x{\rm Shi}\left (b x\right )^{2}\,{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 (x \operatorname{Shi}\left (b x\right )^{2}, 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 x \operatorname{Shi}^{2}{\left (b x \right )}\, 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 x{\rm Shi}\left (b x\right )^{2}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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