Optimal. Leaf size=38 \[ -\frac {\sqrt {2} \tanh ^{-1}\left (\frac {\sqrt {c-a c x}}{\sqrt {2} \sqrt {c}}\right )}{a c^{3/2}} \]
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Rubi [A]
time = 0.04, antiderivative size = 38, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 4, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {6265, 21, 65,
212} \begin {gather*} -\frac {\sqrt {2} \tanh ^{-1}\left (\frac {\sqrt {c-a c x}}{\sqrt {2} \sqrt {c}}\right )}{a c^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 21
Rule 65
Rule 212
Rule 6265
Rubi steps
\begin {align*} \int \frac {e^{-2 \tanh ^{-1}(a x)}}{(c-a c x)^{3/2}} \, dx &=\int \frac {1-a x}{(1+a x) (c-a c x)^{3/2}} \, dx\\ &=\frac {\int \frac {1}{(1+a x) \sqrt {c-a c x}} \, dx}{c}\\ &=-\frac {2 \text {Subst}\left (\int \frac {1}{2-\frac {x^2}{c}} \, dx,x,\sqrt {c-a c x}\right )}{a c^2}\\ &=-\frac {\sqrt {2} \tanh ^{-1}\left (\frac {\sqrt {c-a c x}}{\sqrt {2} \sqrt {c}}\right )}{a c^{3/2}}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 38, normalized size = 1.00 \begin {gather*} -\frac {\sqrt {2} \tanh ^{-1}\left (\frac {\sqrt {c-a c x}}{\sqrt {2} \sqrt {c}}\right )}{a c^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.82, size = 30, normalized size = 0.79
method | result | size |
derivativedivides | \(-\frac {\arctanh \left (\frac {\sqrt {-c x a +c}\, \sqrt {2}}{2 \sqrt {c}}\right ) \sqrt {2}}{a \,c^{\frac {3}{2}}}\) | \(30\) |
default | \(-\frac {\arctanh \left (\frac {\sqrt {-c x a +c}\, \sqrt {2}}{2 \sqrt {c}}\right ) \sqrt {2}}{a \,c^{\frac {3}{2}}}\) | \(30\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.46, size = 52, normalized size = 1.37 \begin {gather*} \frac {\sqrt {2} \log \left (-\frac {\sqrt {2} \sqrt {c} - \sqrt {-a c x + c}}{\sqrt {2} \sqrt {c} + \sqrt {-a c x + c}}\right )}{2 \, a c^{\frac {3}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.37, size = 89, normalized size = 2.34 \begin {gather*} \left [\frac {\sqrt {2} \log \left (\frac {a x + \frac {2 \, \sqrt {2} \sqrt {-a c x + c}}{\sqrt {c}} - 3}{a x + 1}\right )}{2 \, a c^{\frac {3}{2}}}, -\frac {\sqrt {2} \sqrt {-\frac {1}{c}} \arctan \left (\frac {\sqrt {2} \sqrt {-a c x + c} \sqrt {-\frac {1}{c}}}{a x - 1}\right )}{a c}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 27.84, size = 39, normalized size = 1.03 \begin {gather*} \frac {\sqrt {2} \operatorname {atan}{\left (\frac {\sqrt {2} \sqrt {- a c x + c}}{2 \sqrt {- c}} \right )}}{a c \sqrt {- c}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.40, size = 35, normalized size = 0.92 \begin {gather*} \frac {\sqrt {2} \arctan \left (\frac {\sqrt {2} \sqrt {-a c x + c}}{2 \, \sqrt {-c}}\right )}{a \sqrt {-c} c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.82, size = 29, normalized size = 0.76 \begin {gather*} -\frac {\sqrt {2}\,\mathrm {atanh}\left (\frac {\sqrt {2}\,\sqrt {c-a\,c\,x}}{2\,\sqrt {c}}\right )}{a\,c^{3/2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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