Optimal. Leaf size=55 \[ -\frac {2 e^{-\coth ^{-1}(a x)}}{3 a c^2}+\frac {e^{-\coth ^{-1}(a x)} (1+2 a x)}{3 a c^2 \left (1-a^2 x^2\right )} \]
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Rubi [A]
time = 0.04, antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {6320, 6318}
\begin {gather*} \frac {(2 a x+1) e^{-\coth ^{-1}(a x)}}{3 a c^2 \left (1-a^2 x^2\right )}-\frac {2 e^{-\coth ^{-1}(a x)}}{3 a c^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 6318
Rule 6320
Rubi steps
\begin {align*} \int \frac {e^{-\coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^2} \, dx &=\frac {e^{-\coth ^{-1}(a x)} (1+2 a x)}{3 a c^2 \left (1-a^2 x^2\right )}+\frac {2 \int \frac {e^{-\coth ^{-1}(a x)}}{c-a^2 c x^2} \, dx}{3 c}\\ &=-\frac {2 e^{-\coth ^{-1}(a x)}}{3 a c^2}+\frac {e^{-\coth ^{-1}(a x)} (1+2 a x)}{3 a c^2 \left (1-a^2 x^2\right )}\\ \end {align*}
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Mathematica [A]
time = 0.05, size = 48, normalized size = 0.87 \begin {gather*} -\frac {\sqrt {1-\frac {1}{a^2 x^2}} x \left (-1+2 a x+2 a^2 x^2\right )}{3 (-1+a x) (c+a c x)^2} \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [A]
time = 0.20, size = 52, normalized size = 0.95
method | result | size |
gosper | \(-\frac {\sqrt {\frac {a x -1}{a x +1}}\, \left (2 a^{2} x^{2}+2 a x -1\right )}{3 \left (a^{2} x^{2}-1\right ) a \,c^{2}}\) | \(49\) |
default | \(-\frac {\sqrt {\frac {a x -1}{a x +1}}\, \left (2 a^{2} x^{2}+2 a x -1\right )}{3 c^{2} \left (a x +1\right ) \left (a x -1\right ) a}\) | \(52\) |
trager | \(-\frac {\left (2 a^{2} x^{2}+2 a x -1\right ) \sqrt {-\frac {-a x +1}{a x +1}}}{3 a \,c^{2} \left (a x -1\right ) \left (a x +1\right )}\) | \(54\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 67, normalized size = 1.22 \begin {gather*} \frac {1}{12} \, a {\left (\frac {\left (\frac {a x - 1}{a x + 1}\right )^{\frac {3}{2}} - 6 \, \sqrt {\frac {a x - 1}{a x + 1}}}{a^{2} c^{2}} - \frac {3}{a^{2} c^{2} \sqrt {\frac {a x - 1}{a x + 1}}}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.36, size = 50, normalized size = 0.91 \begin {gather*} -\frac {{\left (2 \, a^{2} x^{2} + 2 \, a x - 1\right )} \sqrt {\frac {a x - 1}{a x + 1}}}{3 \, {\left (a^{3} c^{2} x^{2} - a c^{2}\right )}} \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*} \frac {\int \frac {\sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}}}{a^{4} x^{4} - 2 a^{2} x^{2} + 1}\, dx}{c^{2}} \end {gather*}
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 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.05, size = 55, normalized size = 1.00 \begin {gather*} -\frac {\frac {6\,\left (a\,x-1\right )}{a\,x+1}-\frac {{\left (a\,x-1\right )}^2}{{\left (a\,x+1\right )}^2}+3}{12\,a\,c^2\,\sqrt {\frac {a\,x-1}{a\,x+1}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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