Optimal. Leaf size=142 \[ -\frac {2 x^2 \sqrt {1-\frac {1}{a^2 x^2}} (c-a c x)^{3/2}}{7 a c}+\frac {6 x \sqrt {1-\frac {1}{a^2 x^2}} (c-a c x)^{3/2}}{35 a^2 c}+\frac {38 x \sqrt {1-\frac {1}{a^2 x^2}} \sqrt {c-a c x}}{105 a^2}+\frac {152 c x \sqrt {1-\frac {1}{a^2 x^2}}}{105 a^2 \sqrt {c-a c x}} \]
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Rubi [A] time = 0.24, antiderivative size = 185, normalized size of antiderivative = 1.30, number of steps used = 6, number of rules used = 5, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.217, Rules used = {6176, 6181, 78, 45, 37} \[ \frac {104 x \sqrt {\frac {1}{a x}+1} \sqrt {c-a c x}}{105 a^2 \sqrt {1-\frac {1}{a x}}}-\frac {208 \sqrt {\frac {1}{a x}+1} \sqrt {c-a c x}}{105 a^3 \sqrt {1-\frac {1}{a x}}}+\frac {2 x^3 \sqrt {\frac {1}{a x}+1} \sqrt {c-a c x}}{7 \sqrt {1-\frac {1}{a x}}}-\frac {26 x^2 \sqrt {\frac {1}{a x}+1} \sqrt {c-a c x}}{35 a \sqrt {1-\frac {1}{a x}}} \]
Warning: Unable to verify antiderivative.
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Rule 37
Rule 45
Rule 78
Rule 6176
Rule 6181
Rubi steps
\begin {align*} \int e^{-\coth ^{-1}(a x)} x^2 \sqrt {c-a c x} \, dx &=\frac {\sqrt {c-a c x} \int e^{-\coth ^{-1}(a x)} \sqrt {1-\frac {1}{a x}} x^{5/2} \, dx}{\sqrt {1-\frac {1}{a x}} \sqrt {x}}\\ &=-\frac {\left (\sqrt {\frac {1}{x}} \sqrt {c-a c x}\right ) \operatorname {Subst}\left (\int \frac {1-\frac {x}{a}}{x^{9/2} \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{\sqrt {1-\frac {1}{a x}}}\\ &=\frac {2 \sqrt {1+\frac {1}{a x}} x^3 \sqrt {c-a c x}}{7 \sqrt {1-\frac {1}{a x}}}+\frac {\left (13 \sqrt {\frac {1}{x}} \sqrt {c-a c x}\right ) \operatorname {Subst}\left (\int \frac {1}{x^{7/2} \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{7 a \sqrt {1-\frac {1}{a x}}}\\ &=-\frac {26 \sqrt {1+\frac {1}{a x}} x^2 \sqrt {c-a c x}}{35 a \sqrt {1-\frac {1}{a x}}}+\frac {2 \sqrt {1+\frac {1}{a x}} x^3 \sqrt {c-a c x}}{7 \sqrt {1-\frac {1}{a x}}}-\frac {\left (52 \sqrt {\frac {1}{x}} \sqrt {c-a c x}\right ) \operatorname {Subst}\left (\int \frac {1}{x^{5/2} \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{35 a^2 \sqrt {1-\frac {1}{a x}}}\\ &=\frac {104 \sqrt {1+\frac {1}{a x}} x \sqrt {c-a c x}}{105 a^2 \sqrt {1-\frac {1}{a x}}}-\frac {26 \sqrt {1+\frac {1}{a x}} x^2 \sqrt {c-a c x}}{35 a \sqrt {1-\frac {1}{a x}}}+\frac {2 \sqrt {1+\frac {1}{a x}} x^3 \sqrt {c-a c x}}{7 \sqrt {1-\frac {1}{a x}}}+\frac {\left (104 \sqrt {\frac {1}{x}} \sqrt {c-a c x}\right ) \operatorname {Subst}\left (\int \frac {1}{x^{3/2} \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{105 a^3 \sqrt {1-\frac {1}{a x}}}\\ &=-\frac {208 \sqrt {1+\frac {1}{a x}} \sqrt {c-a c x}}{105 a^3 \sqrt {1-\frac {1}{a x}}}+\frac {104 \sqrt {1+\frac {1}{a x}} x \sqrt {c-a c x}}{105 a^2 \sqrt {1-\frac {1}{a x}}}-\frac {26 \sqrt {1+\frac {1}{a x}} x^2 \sqrt {c-a c x}}{35 a \sqrt {1-\frac {1}{a x}}}+\frac {2 \sqrt {1+\frac {1}{a x}} x^3 \sqrt {c-a c x}}{7 \sqrt {1-\frac {1}{a x}}}\\ \end {align*}
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Mathematica [A] time = 0.04, size = 67, normalized size = 0.47 \[ \frac {2 \sqrt {\frac {1}{a x}+1} \left (15 a^3 x^3-39 a^2 x^2+52 a x-104\right ) \sqrt {c-a c x}}{105 a^3 \sqrt {1-\frac {1}{a x}}} \]
Warning: Unable to verify antiderivative.
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fricas [A] time = 0.58, size = 69, normalized size = 0.49 \[ \frac {2 \, {\left (15 \, a^{4} x^{4} - 24 \, a^{3} x^{3} + 13 \, a^{2} x^{2} - 52 \, a x - 104\right )} \sqrt {-a c x + c} \sqrt {\frac {a x - 1}{a x + 1}}}{105 \, {\left (a^{4} x - a^{3}\right )}} \]
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 = 64, normalized size = 0.45 \[ \frac {2 \left (a x +1\right ) \left (15 x^{3} a^{3}-39 a^{2} x^{2}+52 a x -104\right ) \sqrt {-a c x +c}\, \sqrt {\frac {a x -1}{a x +1}}}{105 a^{3} \left (a x -1\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.41, size = 83, normalized size = 0.58 \[ \frac {2 \, {\left (15 \, a^{4} \sqrt {-c} x^{4} - 24 \, a^{3} \sqrt {-c} x^{3} + 13 \, a^{2} \sqrt {-c} x^{2} - 52 \, a \sqrt {-c} x - 104 \, \sqrt {-c}\right )} {\left (a x - 1\right )}}{105 \, {\left (a^{4} x - a^{3}\right )} \sqrt {a x + 1}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.29, size = 88, normalized size = 0.62 \[ \frac {2\,\sqrt {c-a\,c\,x}\,\sqrt {\frac {a\,x-1}{a\,x+1}}\,\left (15\,a^3\,x^3-9\,a^2\,x^2+4\,a\,x-48\right )}{105\,a^3}-\frac {304\,\sqrt {c-a\,c\,x}\,\sqrt {\frac {a\,x-1}{a\,x+1}}}{105\,a^3\,\left (a\,x-1\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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