Optimal. Leaf size=105 \[ -\frac {5}{8} a c^3 \sqrt {1-\frac {1}{a^2 x^2}} x^2+\frac {2}{3} a^2 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3-\frac {1}{4} a^3 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^4+\frac {5 c^3 \tanh ^{-1}\left (\sqrt {1-\frac {1}{a^2 x^2}}\right )}{8 a} \]
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Rubi [A]
time = 0.15, antiderivative size = 105, normalized size of antiderivative = 1.00, number of steps
used = 8, number of rules used = 8, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {6310, 6313,
1821, 821, 272, 43, 65, 214} \begin {gather*} -\frac {5}{8} a c^3 x^2 \sqrt {1-\frac {1}{a^2 x^2}}+\frac {5 c^3 \tanh ^{-1}\left (\sqrt {1-\frac {1}{a^2 x^2}}\right )}{8 a}+\frac {2}{3} a^2 c^3 x^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2}-\frac {1}{4} a^3 c^3 x^4 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} \end {gather*}
Antiderivative was successfully verified.
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Rule 43
Rule 65
Rule 214
Rule 272
Rule 821
Rule 1821
Rule 6310
Rule 6313
Rubi steps
\begin {align*} \int e^{\coth ^{-1}(a x)} (c-a c x)^3 \, dx &=-\left (\left (a^3 c^3\right ) \int e^{\coth ^{-1}(a x)} \left (1-\frac {1}{a x}\right )^3 x^3 \, dx\right )\\ &=\left (a^3 c^3\right ) \text {Subst}\left (\int \frac {\left (1-\frac {x}{a}\right )^2 \sqrt {1-\frac {x^2}{a^2}}}{x^5} \, dx,x,\frac {1}{x}\right )\\ &=-\frac {1}{4} a^3 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^4-\frac {1}{4} \left (a^3 c^3\right ) \text {Subst}\left (\int \frac {\left (\frac {8}{a}-\frac {5 x}{a^2}\right ) \sqrt {1-\frac {x^2}{a^2}}}{x^4} \, dx,x,\frac {1}{x}\right )\\ &=\frac {2}{3} a^2 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3-\frac {1}{4} a^3 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^4+\frac {1}{4} \left (5 a c^3\right ) \text {Subst}\left (\int \frac {\sqrt {1-\frac {x^2}{a^2}}}{x^3} \, dx,x,\frac {1}{x}\right )\\ &=\frac {2}{3} a^2 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3-\frac {1}{4} a^3 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^4+\frac {1}{8} \left (5 a c^3\right ) \text {Subst}\left (\int \frac {\sqrt {1-\frac {x}{a^2}}}{x^2} \, dx,x,\frac {1}{x^2}\right )\\ &=-\frac {5}{8} a c^3 \sqrt {1-\frac {1}{a^2 x^2}} x^2+\frac {2}{3} a^2 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3-\frac {1}{4} a^3 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^4-\frac {\left (5 c^3\right ) \text {Subst}\left (\int \frac {1}{x \sqrt {1-\frac {x}{a^2}}} \, dx,x,\frac {1}{x^2}\right )}{16 a}\\ &=-\frac {5}{8} a c^3 \sqrt {1-\frac {1}{a^2 x^2}} x^2+\frac {2}{3} a^2 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3-\frac {1}{4} a^3 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^4+\frac {1}{8} \left (5 a c^3\right ) \text {Subst}\left (\int \frac {1}{a^2-a^2 x^2} \, dx,x,\sqrt {1-\frac {1}{a^2 x^2}}\right )\\ &=-\frac {5}{8} a c^3 \sqrt {1-\frac {1}{a^2 x^2}} x^2+\frac {2}{3} a^2 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3-\frac {1}{4} a^3 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^4+\frac {5 c^3 \tanh ^{-1}\left (\sqrt {1-\frac {1}{a^2 x^2}}\right )}{8 a}\\ \end {align*}
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Mathematica [A]
time = 0.09, size = 73, normalized size = 0.70 \begin {gather*} \frac {c^3 \left (-a \sqrt {1-\frac {1}{a^2 x^2}} x \left (16+9 a x-16 a^2 x^2+6 a^3 x^3\right )+15 \log \left (a \left (1+\sqrt {1-\frac {1}{a^2 x^2}}\right ) x\right )\right )}{24 a} \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [A]
time = 0.08, size = 141, normalized size = 1.34
method | result | size |
risch | \(-\frac {\left (6 a^{3} x^{3}-16 a^{2} x^{2}+9 a x +16\right ) \left (a x -1\right ) c^{3}}{24 a \sqrt {\frac {a x -1}{a x +1}}}+\frac {5 \ln \left (\frac {a^{2} x}{\sqrt {a^{2}}}+\sqrt {a^{2} x^{2}-1}\right ) c^{3} \sqrt {\left (a x +1\right ) \left (a x -1\right )}}{8 \sqrt {a^{2}}\, \sqrt {\frac {a x -1}{a x +1}}\, \left (a x +1\right )}\) | \(120\) |
default | \(-\frac {\left (a x -1\right ) c^{3} \left (6 \sqrt {a^{2}}\, \left (a^{2} x^{2}-1\right )^{\frac {3}{2}} a x +15 \sqrt {a^{2}}\, \sqrt {a^{2} x^{2}-1}\, a x -16 \left (\left (a x +1\right ) \left (a x -1\right )\right )^{\frac {3}{2}} \sqrt {a^{2}}-15 \ln \left (\frac {a^{2} x +\sqrt {a^{2} x^{2}-1}\, \sqrt {a^{2}}}{\sqrt {a^{2}}}\right ) a \right )}{24 a \sqrt {\frac {a x -1}{a x +1}}\, \sqrt {\left (a x +1\right ) \left (a x -1\right )}\, \sqrt {a^{2}}}\) | \(141\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 221 vs.
\(2 (89) = 178\).
time = 0.27, size = 221, normalized size = 2.10 \begin {gather*} \frac {1}{24} \, {\left (\frac {15 \, c^{3} \log \left (\sqrt {\frac {a x - 1}{a x + 1}} + 1\right )}{a^{2}} - \frac {15 \, c^{3} \log \left (\sqrt {\frac {a x - 1}{a x + 1}} - 1\right )}{a^{2}} + \frac {2 \, {\left (15 \, c^{3} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {7}{2}} + 73 \, c^{3} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {5}{2}} - 55 \, c^{3} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {3}{2}} + 15 \, c^{3} \sqrt {\frac {a x - 1}{a x + 1}}\right )}}{\frac {4 \, {\left (a x - 1\right )} a^{2}}{a x + 1} - \frac {6 \, {\left (a x - 1\right )}^{2} a^{2}}{{\left (a x + 1\right )}^{2}} + \frac {4 \, {\left (a x - 1\right )}^{3} a^{2}}{{\left (a x + 1\right )}^{3}} - \frac {{\left (a x - 1\right )}^{4} a^{2}}{{\left (a x + 1\right )}^{4}} - a^{2}}\right )} a \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.43, size = 115, normalized size = 1.10 \begin {gather*} \frac {15 \, c^{3} \log \left (\sqrt {\frac {a x - 1}{a x + 1}} + 1\right ) - 15 \, c^{3} \log \left (\sqrt {\frac {a x - 1}{a x + 1}} - 1\right ) - {\left (6 \, a^{4} c^{3} x^{4} - 10 \, a^{3} c^{3} x^{3} - 7 \, a^{2} c^{3} x^{2} + 25 \, a c^{3} x + 16 \, c^{3}\right )} \sqrt {\frac {a x - 1}{a x + 1}}}{24 \, a} \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*} - c^{3} \left (\int \frac {3 a x}{\sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}}}\, dx + \int \left (- \frac {3 a^{2} x^{2}}{\sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}}}\right )\, dx + \int \frac {a^{3} x^{3}}{\sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}}}\, dx + \int \left (- \frac {1}{\sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}}}\right )\, dx\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.41, size = 118, normalized size = 1.12 \begin {gather*} -\frac {5 \, c^{3} \log \left ({\left | -x {\left | a \right |} + \sqrt {a^{2} x^{2} - 1} \right |}\right )}{8 \, {\left | a \right |} \mathrm {sgn}\left (a x + 1\right )} - \frac {1}{24} \, \sqrt {a^{2} x^{2} - 1} {\left ({\left (2 \, {\left (\frac {3 \, a^{2} c^{3} x}{\mathrm {sgn}\left (a x + 1\right )} - \frac {8 \, a c^{3}}{\mathrm {sgn}\left (a x + 1\right )}\right )} x + \frac {9 \, c^{3}}{\mathrm {sgn}\left (a x + 1\right )}\right )} x + \frac {16 \, c^{3}}{a \mathrm {sgn}\left (a x + 1\right )}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.08, size = 177, normalized size = 1.69 \begin {gather*} \frac {5\,c^3\,\mathrm {atanh}\left (\sqrt {\frac {a\,x-1}{a\,x+1}}\right )}{4\,a}-\frac {\frac {5\,c^3\,\sqrt {\frac {a\,x-1}{a\,x+1}}}{4}-\frac {55\,c^3\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{3/2}}{12}+\frac {73\,c^3\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{5/2}}{12}+\frac {5\,c^3\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{7/2}}{4}}{a-\frac {4\,a\,\left (a\,x-1\right )}{a\,x+1}+\frac {6\,a\,{\left (a\,x-1\right )}^2}{{\left (a\,x+1\right )}^2}-\frac {4\,a\,{\left (a\,x-1\right )}^3}{{\left (a\,x+1\right )}^3}+\frac {a\,{\left (a\,x-1\right )}^4}{{\left (a\,x+1\right )}^4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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