Optimal. Leaf size=36 \[ -\frac {a \text {Chi}\left (\frac {a}{c+d x}\right )}{d}+\frac {(c+d x) \sinh \left (\frac {a}{c+d x}\right )}{d} \]
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Rubi [A]
time = 0.03, antiderivative size = 36, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 4, integrand size = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.400, Rules used = {5418, 5410,
3378, 3382} \begin {gather*} \frac {(c+d x) \sinh \left (\frac {a}{c+d x}\right )}{d}-\frac {a \text {Chi}\left (\frac {a}{c+d x}\right )}{d} \end {gather*}
Antiderivative was successfully verified.
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Rule 3378
Rule 3382
Rule 5410
Rule 5418
Rubi steps
\begin {align*} \int \sinh \left (\frac {a}{c+d x}\right ) \, dx &=\frac {\text {Subst}\left (\int \sinh \left (\frac {a}{x}\right ) \, dx,x,c+d x\right )}{d}\\ &=-\frac {\text {Subst}\left (\int \frac {\sinh (a x)}{x^2} \, dx,x,\frac {1}{c+d x}\right )}{d}\\ &=\frac {(c+d x) \sinh \left (\frac {a}{c+d x}\right )}{d}-\frac {a \text {Subst}\left (\int \frac {\cosh (a x)}{x} \, dx,x,\frac {1}{c+d x}\right )}{d}\\ &=-\frac {a \text {Chi}\left (\frac {a}{c+d x}\right )}{d}+\frac {(c+d x) \sinh \left (\frac {a}{c+d x}\right )}{d}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 36, normalized size = 1.00 \begin {gather*} -\frac {a \text {Chi}\left (\frac {a}{c+d x}\right )}{d}+\frac {(c+d x) \sinh \left (\frac {a}{c+d x}\right )}{d} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.89, size = 38, normalized size = 1.06
method | result | size |
derivativedivides | \(-\frac {a \left (-\frac {\left (d x +c \right ) \sinh \left (\frac {a}{d x +c}\right )}{a}+\hyperbolicCosineIntegral \left (\frac {a}{d x +c}\right )\right )}{d}\) | \(38\) |
default | \(-\frac {a \left (-\frac {\left (d x +c \right ) \sinh \left (\frac {a}{d x +c}\right )}{a}+\hyperbolicCosineIntegral \left (\frac {a}{d x +c}\right )\right )}{d}\) | \(38\) |
risch | \(-\frac {{\mathrm e}^{-\frac {a}{d x +c}} x}{2}-\frac {{\mathrm e}^{-\frac {a}{d x +c}} c}{2 d}+\frac {a \expIntegral \left (1, \frac {a}{d x +c}\right )}{2 d}+\frac {{\mathrm e}^{\frac {a}{d x +c}} x}{2}+\frac {{\mathrm e}^{\frac {a}{d x +c}} c}{2 d}+\frac {a \expIntegral \left (1, -\frac {a}{d x +c}\right )}{2 d}\) | \(97\) |
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 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.44, size = 48, normalized size = 1.33 \begin {gather*} -\frac {a {\rm Ei}\left (\frac {a}{d x + c}\right ) + a {\rm Ei}\left (-\frac {a}{d x + c}\right ) - 2 \, {\left (d x + c\right )} \sinh \left (\frac {a}{d x + c}\right )}{2 \, d} \end {gather*}
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 \begin {gather*} \int \sinh {\left (\frac {a}{c + d x} \right )}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 102 vs.
\(2 (36) = 72\).
time = 0.42, size = 102, normalized size = 2.83 \begin {gather*} -\frac {{\left (\frac {a^{3} {\rm Ei}\left (\frac {a}{d x + c}\right )}{d x + c} - a^{2} e^{\left (\frac {a}{d x + c}\right )}\right )} {\left (d x + c\right )}}{2 \, a^{2} d} - \frac {{\left (\frac {a^{3} {\rm Ei}\left (-\frac {a}{d x + c}\right )}{d x + c} + a^{2} e^{\left (-\frac {a}{d x + c}\right )}\right )} {\left (d x + c\right )}}{2 \, a^{2} d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.03 \begin {gather*} \int \mathrm {sinh}\left (\frac {a}{c+d\,x}\right ) \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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