Optimal. Leaf size=169 \[ -\frac {2 (a x+1)^{5/2} (c-a c x)^{3/2}}{5 a^2 c (1-a x)^{3/2}}-\frac {2 (a x+1)^{3/2} (c-a c x)^{3/2}}{3 a^2 c (1-a x)^{3/2}}-\frac {4 \sqrt {a x+1} (c-a c x)^{3/2}}{a^2 c (1-a x)^{3/2}}+\frac {4 \sqrt {2} (c-a c x)^{3/2} \tanh ^{-1}\left (\frac {\sqrt {a x+1}}{\sqrt {2}}\right )}{a^2 c (1-a x)^{3/2}} \]
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Rubi [A] time = 0.11, antiderivative size = 169, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {6130, 23, 80, 50, 63, 208} \[ -\frac {2 (a x+1)^{5/2} (c-a c x)^{3/2}}{5 a^2 c (1-a x)^{3/2}}-\frac {2 (a x+1)^{3/2} (c-a c x)^{3/2}}{3 a^2 c (1-a x)^{3/2}}-\frac {4 \sqrt {a x+1} (c-a c x)^{3/2}}{a^2 c (1-a x)^{3/2}}+\frac {4 \sqrt {2} (c-a c x)^{3/2} \tanh ^{-1}\left (\frac {\sqrt {a x+1}}{\sqrt {2}}\right )}{a^2 c (1-a x)^{3/2}} \]
Antiderivative was successfully verified.
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Rule 23
Rule 50
Rule 63
Rule 80
Rule 208
Rule 6130
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 {(c-a c x)^{3/2} \int \frac {x (1+a x)^{3/2}}{c-a c x} \, dx}{(1-a x)^{3/2}}\\ &=-\frac {2 (1+a x)^{5/2} (c-a c x)^{3/2}}{5 a^2 c (1-a x)^{3/2}}+\frac {(c-a c x)^{3/2} \int \frac {(1+a x)^{3/2}}{c-a c x} \, dx}{a (1-a x)^{3/2}}\\ &=-\frac {2 (1+a x)^{3/2} (c-a c x)^{3/2}}{3 a^2 c (1-a x)^{3/2}}-\frac {2 (1+a x)^{5/2} (c-a c x)^{3/2}}{5 a^2 c (1-a x)^{3/2}}+\frac {\left (2 (c-a c x)^{3/2}\right ) \int \frac {\sqrt {1+a x}}{c-a c x} \, dx}{a (1-a x)^{3/2}}\\ &=-\frac {4 \sqrt {1+a x} (c-a c x)^{3/2}}{a^2 c (1-a x)^{3/2}}-\frac {2 (1+a x)^{3/2} (c-a c x)^{3/2}}{3 a^2 c (1-a x)^{3/2}}-\frac {2 (1+a x)^{5/2} (c-a c x)^{3/2}}{5 a^2 c (1-a x)^{3/2}}+\frac {\left (4 (c-a c x)^{3/2}\right ) \int \frac {1}{\sqrt {1+a x} (c-a c x)} \, dx}{a (1-a x)^{3/2}}\\ &=-\frac {4 \sqrt {1+a x} (c-a c x)^{3/2}}{a^2 c (1-a x)^{3/2}}-\frac {2 (1+a x)^{3/2} (c-a c x)^{3/2}}{3 a^2 c (1-a x)^{3/2}}-\frac {2 (1+a x)^{5/2} (c-a c x)^{3/2}}{5 a^2 c (1-a x)^{3/2}}+\frac {\left (8 (c-a c x)^{3/2}\right ) \operatorname {Subst}\left (\int \frac {1}{2 c-c x^2} \, dx,x,\sqrt {1+a x}\right )}{a^2 (1-a x)^{3/2}}\\ &=-\frac {4 \sqrt {1+a x} (c-a c x)^{3/2}}{a^2 c (1-a x)^{3/2}}-\frac {2 (1+a x)^{3/2} (c-a c x)^{3/2}}{3 a^2 c (1-a x)^{3/2}}-\frac {2 (1+a x)^{5/2} (c-a c x)^{3/2}}{5 a^2 c (1-a x)^{3/2}}+\frac {4 \sqrt {2} (c-a c x)^{3/2} \tanh ^{-1}\left (\frac {\sqrt {1+a x}}{\sqrt {2}}\right )}{a^2 c (1-a x)^{3/2}}\\ \end {align*}
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Mathematica [A] time = 0.04, size = 76, normalized size = 0.45 \[ -\frac {2 \sqrt {c-a c x} \left (\sqrt {a x+1} \left (3 a^2 x^2+11 a x+38\right )-30 \sqrt {2} \tanh ^{-1}\left (\frac {\sqrt {a x+1}}{\sqrt {2}}\right )\right )}{15 a^2 \sqrt {1-a x}} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.53, size = 242, normalized size = 1.43 \[ \left [\frac {2 \, {\left (15 \, \sqrt {2} {\left (a x - 1\right )} \sqrt {c} \log \left (-\frac {a^{2} c x^{2} + 2 \, a c x - 2 \, \sqrt {2} \sqrt {-a^{2} x^{2} + 1} \sqrt {-a c x + c} \sqrt {c} - 3 \, c}{a^{2} x^{2} - 2 \, a x + 1}\right ) + {\left (3 \, a^{2} x^{2} + 11 \, a x + 38\right )} \sqrt {-a^{2} x^{2} + 1} \sqrt {-a c x + c}\right )}}{15 \, {\left (a^{3} x - a^{2}\right )}}, \frac {2 \, {\left (30 \, \sqrt {2} {\left (a x - 1\right )} \sqrt {-c} \arctan \left (\frac {\sqrt {2} \sqrt {-a^{2} x^{2} + 1} \sqrt {-a c x + c} \sqrt {-c}}{a^{2} c x^{2} - c}\right ) + {\left (3 \, a^{2} x^{2} + 11 \, a x + 38\right )} \sqrt {-a^{2} x^{2} + 1} \sqrt {-a c x + c}\right )}}{15 \, {\left (a^{3} x - a^{2}\right )}}\right ] \]
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 \[ \text {Exception raised: TypeError} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.04, size = 112, normalized size = 0.66 \[ -\frac {2 \sqrt {-a^{2} x^{2}+1}\, \sqrt {-c \left (a x -1\right )}\, \left (-3 x^{2} a^{2} \sqrt {c \left (a x +1\right )}+30 \sqrt {c}\, \sqrt {2}\, \arctanh \left (\frac {\sqrt {c \left (a x +1\right )}\, \sqrt {2}}{2 \sqrt {c}}\right )-11 x a \sqrt {c \left (a x +1\right )}-38 \sqrt {c \left (a x +1\right )}\right )}{15 \left (a x -1\right ) \sqrt {c \left (a x +1\right )}\, a^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\sqrt {-a c x + c} {\left (a x + 1\right )}^{3} x}{{\left (-a^{2} x^{2} + 1\right )}^{\frac {3}{2}}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {x\,\sqrt {c-a\,c\,x}\,{\left (a\,x+1\right )}^3}{{\left (1-a^2\,x^2\right )}^{3/2}} \,d x \]
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 \[ \int \frac {x \sqrt {- c \left (a x - 1\right )} \left (a x + 1\right )^{3}}{\left (- \left (a x - 1\right ) \left (a x + 1\right )\right )^{\frac {3}{2}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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