Optimal. Leaf size=40 \[ -\frac {c^2}{3 a^4 x^3}+\frac {c^2}{a^3 x^2}-c^2 x+\frac {2 c^2 \log (x)}{a} \]
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Rubi [A]
time = 0.08, antiderivative size = 40, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {6292, 6285, 76}
\begin {gather*} -\frac {c^2}{3 a^4 x^3}+\frac {c^2}{a^3 x^2}+\frac {2 c^2 \log (x)}{a}+c^2 (-x) \end {gather*}
Antiderivative was successfully verified.
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Rule 76
Rule 6285
Rule 6292
Rubi steps
\begin {align*} \int e^{-2 \tanh ^{-1}(a x)} \left (c-\frac {c}{a^2 x^2}\right )^2 \, dx &=\frac {c^2 \int \frac {e^{-2 \tanh ^{-1}(a x)} \left (1-a^2 x^2\right )^2}{x^4} \, dx}{a^4}\\ &=\frac {c^2 \int \frac {(1-a x)^3 (1+a x)}{x^4} \, dx}{a^4}\\ &=\frac {c^2 \int \left (-a^4+\frac {1}{x^4}-\frac {2 a}{x^3}+\frac {2 a^3}{x}\right ) \, dx}{a^4}\\ &=-\frac {c^2}{3 a^4 x^3}+\frac {c^2}{a^3 x^2}-c^2 x+\frac {2 c^2 \log (x)}{a}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 40, normalized size = 1.00 \begin {gather*} -\frac {c^2}{3 a^4 x^3}+\frac {c^2}{a^3 x^2}-c^2 x+\frac {2 c^2 \log (x)}{a} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.76, size = 32, normalized size = 0.80
method | result | size |
default | \(\frac {c^{2} \left (-a^{4} x -\frac {1}{3 x^{3}}+\frac {a}{x^{2}}+2 a^{3} \ln \left (x \right )\right )}{a^{4}}\) | \(32\) |
risch | \(-x \,c^{2}+\frac {a \,c^{2} x -\frac {1}{3} c^{2}}{a^{4} x^{3}}+\frac {2 c^{2} \ln \left (x \right )}{a}\) | \(37\) |
norman | \(\frac {-a^{3} c^{2} x^{4}+a \,c^{2} x^{2}-\frac {c^{2}}{3 a}+\frac {2 x \,c^{2}}{3}-a^{4} c^{2} x^{5}}{a^{3} x^{3} \left (a x +1\right )}+\frac {2 c^{2} \ln \left (x \right )}{a}\) | \(71\) |
meijerg | \(-\frac {c^{2} \left (\frac {a x \left (3 a x +6\right )}{3 a x +3}-2 \ln \left (a x +1\right )\right )}{a}+\frac {3 c^{2} x}{a x +1}-\frac {3 c^{2} \left (\frac {3 a x}{3 a x +3}+2 \ln \left (a x +1\right )-1-2 \ln \left (x \right )-2 \ln \left (a \right )-\frac {1}{a x}\right )}{a}+\frac {c^{2} \left (\frac {5 a x}{5 a x +5}+4 \ln \left (a x +1\right )-1-4 \ln \left (x \right )-4 \ln \left (a \right )-\frac {1}{3 a^{3} x^{3}}+\frac {1}{a^{2} x^{2}}-\frac {3}{a x}\right )}{a}\) | \(155\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.25, size = 38, normalized size = 0.95 \begin {gather*} -c^{2} x + \frac {2 \, c^{2} \log \left (x\right )}{a} + \frac {3 \, a c^{2} x - c^{2}}{3 \, a^{4} x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.36, size = 43, normalized size = 1.08 \begin {gather*} -\frac {3 \, a^{4} c^{2} x^{4} - 6 \, a^{3} c^{2} x^{3} \log \left (x\right ) - 3 \, a c^{2} x + c^{2}}{3 \, a^{4} x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.09, size = 39, normalized size = 0.98 \begin {gather*} \frac {- a^{4} c^{2} x + 2 a^{3} c^{2} \log {\left (x \right )} - \frac {- 3 a c^{2} x + c^{2}}{3 x^{3}}}{a^{4}} \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. 112 vs.
\(2 (38) = 76\).
time = 0.40, size = 112, normalized size = 2.80 \begin {gather*} -\frac {2 \, c^{2} \log \left (\frac {{\left | a x + 1 \right |}}{{\left (a x + 1\right )}^{2} {\left | a \right |}}\right )}{a} + \frac {2 \, c^{2} \log \left ({\left | -\frac {1}{a x + 1} + 1 \right |}\right )}{a} + \frac {{\left (3 \, c^{2} - \frac {5 \, c^{2}}{a x + 1} - \frac {3 \, c^{2}}{{\left (a x + 1\right )}^{2}} + \frac {6 \, c^{2}}{{\left (a x + 1\right )}^{3}}\right )} {\left (a x + 1\right )}}{3 \, a {\left (\frac {1}{a x + 1} - 1\right )}^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.89, size = 35, normalized size = 0.88 \begin {gather*} \frac {c^2\,\left (3\,a\,x-3\,a^4\,x^4+6\,a^3\,x^3\,\ln \left (x\right )-1\right )}{3\,a^4\,x^3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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