Optimal. Leaf size=157 \[ \frac {8 c^2 (1-a x)^{3/2}}{a^2 \sqrt {1+a x} (c-a c x)^{3/2}}+\frac {16 c^2 (1-a x)^{3/2} \sqrt {1+a x}}{a^2 (c-a c x)^{3/2}}-\frac {10 c^2 (1-a x)^{3/2} (1+a x)^{3/2}}{3 a^2 (c-a c x)^{3/2}}+\frac {2 c^2 (1-a x)^{3/2} (1+a x)^{5/2}}{5 a^2 (c-a c x)^{3/2}} \]
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Rubi [A]
time = 0.07, antiderivative size = 157, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {6265, 23, 78}
\begin {gather*} \frac {2 c^2 (1-a x)^{3/2} (a x+1)^{5/2}}{5 a^2 (c-a c x)^{3/2}}-\frac {10 c^2 (1-a x)^{3/2} (a x+1)^{3/2}}{3 a^2 (c-a c x)^{3/2}}+\frac {16 c^2 (1-a x)^{3/2} \sqrt {a x+1}}{a^2 (c-a c x)^{3/2}}+\frac {8 c^2 (1-a x)^{3/2}}{a^2 \sqrt {a x+1} (c-a c x)^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 23
Rule 78
Rule 6265
Rubi steps
\begin {align*} \int e^{-3 \tanh ^{-1}(a x)} x \sqrt {c-a c x} \, dx &=\int \frac {x (1-a x)^{3/2} \sqrt {c-a c x}}{(1+a x)^{3/2}} \, dx\\ &=\frac {(1-a x)^{3/2} \int \frac {x (c-a c x)^2}{(1+a x)^{3/2}} \, dx}{(c-a c x)^{3/2}}\\ &=\frac {(1-a x)^{3/2} \int \left (-\frac {4 c^2}{a (1+a x)^{3/2}}+\frac {8 c^2}{a \sqrt {1+a x}}-\frac {5 c^2 \sqrt {1+a x}}{a}+\frac {c^2 (1+a x)^{3/2}}{a}\right ) \, dx}{(c-a c x)^{3/2}}\\ &=\frac {8 c^2 (1-a x)^{3/2}}{a^2 \sqrt {1+a x} (c-a c x)^{3/2}}+\frac {16 c^2 (1-a x)^{3/2} \sqrt {1+a x}}{a^2 (c-a c x)^{3/2}}-\frac {10 c^2 (1-a x)^{3/2} (1+a x)^{3/2}}{3 a^2 (c-a c x)^{3/2}}+\frac {2 c^2 (1-a x)^{3/2} (1+a x)^{5/2}}{5 a^2 (c-a c x)^{3/2}}\\ \end {align*}
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Mathematica [A]
time = 0.04, size = 60, normalized size = 0.38 \begin {gather*} \frac {2 c \sqrt {1-a x} \left (158+79 a x-16 a^2 x^2+3 a^3 x^3\right )}{15 a^2 \sqrt {1+a x} \sqrt {c-a c x}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 1.13, size = 64, normalized size = 0.41
method | result | size |
gosper | \(\frac {2 \left (-a^{2} x^{2}+1\right )^{\frac {3}{2}} \sqrt {-c x a +c}\, \left (3 a^{3} x^{3}-16 a^{2} x^{2}+79 a x +158\right )}{15 \left (a x +1\right )^{2} a^{2} \left (a x -1\right )^{2}}\) | \(63\) |
default | \(-\frac {2 \sqrt {-a^{2} x^{2}+1}\, \sqrt {-c \left (a x -1\right )}\, \left (3 a^{3} x^{3}-16 a^{2} x^{2}+79 a x +158\right )}{15 \left (a x -1\right ) \left (a x +1\right ) a^{2}}\) | \(64\) |
risch | \(-\frac {2 \left (3 a^{2} x^{2}-19 a x +98\right ) \left (a x +1\right ) \sqrt {-\frac {\left (-a^{2} x^{2}+1\right ) c}{a x -1}}\, \left (a x -1\right ) c}{15 a^{2} \sqrt {\left (a x +1\right ) c}\, \sqrt {-a^{2} x^{2}+1}\, \sqrt {-c \left (a x -1\right )}}-\frac {8 \sqrt {-\frac {\left (-a^{2} x^{2}+1\right ) c}{a x -1}}\, \left (a x -1\right ) c}{a^{2} \sqrt {\left (a x +1\right ) c}\, \sqrt {-a^{2} x^{2}+1}\, \sqrt {-c \left (a x -1\right )}}\) | \(149\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 64, normalized size = 0.41 \begin {gather*} \frac {2 \, {\left (3 \, a^{3} \sqrt {c} x^{3} - 16 \, a^{2} \sqrt {c} x^{2} + 79 \, a \sqrt {c} x + 158 \, \sqrt {c}\right )} \sqrt {a x + 1} {\left (a x - 1\right )}}{15 \, {\left (a^{4} x^{2} - a^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.41, size = 60, normalized size = 0.38 \begin {gather*} -\frac {2 \, {\left (3 \, a^{3} x^{3} - 16 \, a^{2} x^{2} + 79 \, a x + 158\right )} \sqrt {-a^{2} x^{2} + 1} \sqrt {-a c x + c}}{15 \, {\left (a^{4} x^{2} - a^{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*} \int \frac {x \sqrt {- c \left (a x - 1\right )} \left (- \left (a x - 1\right ) \left (a x + 1\right )\right )^{\frac {3}{2}}}{\left (a x + 1\right )^{3}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.00, size = 97, normalized size = 0.62 \begin {gather*} \frac {\sqrt {c-a\,c\,x}\,\left (\frac {316\,\sqrt {1-a^2\,x^2}}{15\,a^4}+\frac {158\,x\,\sqrt {1-a^2\,x^2}}{15\,a^3}+\frac {2\,x^3\,\sqrt {1-a^2\,x^2}}{5\,a}-\frac {32\,x^2\,\sqrt {1-a^2\,x^2}}{15\,a^2}\right )}{\frac {1}{a^2}-x^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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