Optimal. Leaf size=84 \[ -\frac {4 \sinh (a+b x)}{9 b^2 \sqrt {\text {sech}(a+b x)}}+\frac {4 i \sqrt {\cosh (a+b x)} \sqrt {\text {sech}(a+b x)} F\left (\left .\frac {1}{2} i (a+b x)\right |2\right )}{9 b^2}+\frac {2 x}{3 b \text {sech}^{\frac {3}{2}}(a+b x)} \]
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Rubi [A] time = 0.05, antiderivative size = 84, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {5444, 3769, 3771, 2641} \[ -\frac {4 \sinh (a+b x)}{9 b^2 \sqrt {\text {sech}(a+b x)}}+\frac {4 i \sqrt {\cosh (a+b x)} \sqrt {\text {sech}(a+b x)} F\left (\left .\frac {1}{2} i (a+b x)\right |2\right )}{9 b^2}+\frac {2 x}{3 b \text {sech}^{\frac {3}{2}}(a+b x)} \]
Antiderivative was successfully verified.
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Rule 2641
Rule 3769
Rule 3771
Rule 5444
Rubi steps
\begin {align*} \int \frac {x \sinh (a+b x)}{\sqrt {\text {sech}(a+b x)}} \, dx &=\frac {2 x}{3 b \text {sech}^{\frac {3}{2}}(a+b x)}-\frac {2 \int \frac {1}{\text {sech}^{\frac {3}{2}}(a+b x)} \, dx}{3 b}\\ &=\frac {2 x}{3 b \text {sech}^{\frac {3}{2}}(a+b x)}-\frac {4 \sinh (a+b x)}{9 b^2 \sqrt {\text {sech}(a+b x)}}-\frac {2 \int \sqrt {\text {sech}(a+b x)} \, dx}{9 b}\\ &=\frac {2 x}{3 b \text {sech}^{\frac {3}{2}}(a+b x)}-\frac {4 \sinh (a+b x)}{9 b^2 \sqrt {\text {sech}(a+b x)}}-\frac {\left (2 \sqrt {\cosh (a+b x)} \sqrt {\text {sech}(a+b x)}\right ) \int \frac {1}{\sqrt {\cosh (a+b x)}} \, dx}{9 b}\\ &=\frac {2 x}{3 b \text {sech}^{\frac {3}{2}}(a+b x)}+\frac {4 i \sqrt {\cosh (a+b x)} F\left (\left .\frac {1}{2} i (a+b x)\right |2\right ) \sqrt {\text {sech}(a+b x)}}{9 b^2}-\frac {4 \sinh (a+b x)}{9 b^2 \sqrt {\text {sech}(a+b x)}}\\ \end {align*}
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Mathematica [A] time = 0.18, size = 71, normalized size = 0.85 \[ \frac {\sqrt {\text {sech}(a+b x)} \left (-2 \sinh (2 (a+b x))+3 b x \cosh (2 (a+b x))+4 i \sqrt {\cosh (a+b x)} F\left (\left .\frac {1}{2} i (a+b x)\right |2\right )+3 b x\right )}{9 b^2} \]
Antiderivative was successfully verified.
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fricas [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: TypeError} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x \sinh \left (b x + a\right )}{\sqrt {\operatorname {sech}\left (b x + a\right )}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.14, size = 0, normalized size = 0.00 \[ \int \frac {x \sinh \left (b x +a \right )}{\sqrt {\mathrm {sech}\left (b x +a \right )}}\, dx \]
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 \[ \int \frac {x \sinh \left (b x + a\right )}{\sqrt {\operatorname {sech}\left (b x + a\right )}}\,{d x} \]
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 \[ \int \frac {x\,\mathrm {sinh}\left (a+b\,x\right )}{\sqrt {\frac {1}{\mathrm {cosh}\left (a+b\,x\right )}}} \,d x \]
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 \[ \int \frac {x \sinh {\left (a + b x \right )}}{\sqrt {\operatorname {sech}{\left (a + b x \right )}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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