Optimal. Leaf size=129 \[ -\frac {c^3 \left (1-a^2 x^2\right )^{3/2}}{5 x^5}+\frac {a c^3 \left (1-a^2 x^2\right )^{3/2}}{2 x^4}-\frac {7 a^2 c^3 \left (1-a^2 x^2\right )^{3/2}}{15 x^3}-\frac {1}{4} a^5 c^3 \tanh ^{-1}\left (\sqrt {1-a^2 x^2}\right )+\frac {a^3 c^3 \sqrt {1-a^2 x^2}}{4 x^2} \]
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Rubi [A] time = 0.19, antiderivative size = 129, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 8, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.421, Rules used = {6128, 1807, 835, 807, 266, 47, 63, 208} \[ \frac {a^3 c^3 \sqrt {1-a^2 x^2}}{4 x^2}-\frac {7 a^2 c^3 \left (1-a^2 x^2\right )^{3/2}}{15 x^3}+\frac {a c^3 \left (1-a^2 x^2\right )^{3/2}}{2 x^4}-\frac {c^3 \left (1-a^2 x^2\right )^{3/2}}{5 x^5}-\frac {1}{4} a^5 c^3 \tanh ^{-1}\left (\sqrt {1-a^2 x^2}\right ) \]
Antiderivative was successfully verified.
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Rule 47
Rule 63
Rule 208
Rule 266
Rule 807
Rule 835
Rule 1807
Rule 6128
Rubi steps
\begin {align*} \int \frac {e^{\tanh ^{-1}(a x)} (c-a c x)^3}{x^6} \, dx &=c \int \frac {(c-a c x)^2 \sqrt {1-a^2 x^2}}{x^6} \, dx\\ &=-\frac {c^3 \left (1-a^2 x^2\right )^{3/2}}{5 x^5}-\frac {1}{5} c \int \frac {\left (10 a c^2-7 a^2 c^2 x\right ) \sqrt {1-a^2 x^2}}{x^5} \, dx\\ &=-\frac {c^3 \left (1-a^2 x^2\right )^{3/2}}{5 x^5}+\frac {a c^3 \left (1-a^2 x^2\right )^{3/2}}{2 x^4}+\frac {1}{20} c \int \frac {\left (28 a^2 c^2-10 a^3 c^2 x\right ) \sqrt {1-a^2 x^2}}{x^4} \, dx\\ &=-\frac {c^3 \left (1-a^2 x^2\right )^{3/2}}{5 x^5}+\frac {a c^3 \left (1-a^2 x^2\right )^{3/2}}{2 x^4}-\frac {7 a^2 c^3 \left (1-a^2 x^2\right )^{3/2}}{15 x^3}-\frac {1}{2} \left (a^3 c^3\right ) \int \frac {\sqrt {1-a^2 x^2}}{x^3} \, dx\\ &=-\frac {c^3 \left (1-a^2 x^2\right )^{3/2}}{5 x^5}+\frac {a c^3 \left (1-a^2 x^2\right )^{3/2}}{2 x^4}-\frac {7 a^2 c^3 \left (1-a^2 x^2\right )^{3/2}}{15 x^3}-\frac {1}{4} \left (a^3 c^3\right ) \operatorname {Subst}\left (\int \frac {\sqrt {1-a^2 x}}{x^2} \, dx,x,x^2\right )\\ &=\frac {a^3 c^3 \sqrt {1-a^2 x^2}}{4 x^2}-\frac {c^3 \left (1-a^2 x^2\right )^{3/2}}{5 x^5}+\frac {a c^3 \left (1-a^2 x^2\right )^{3/2}}{2 x^4}-\frac {7 a^2 c^3 \left (1-a^2 x^2\right )^{3/2}}{15 x^3}+\frac {1}{8} \left (a^5 c^3\right ) \operatorname {Subst}\left (\int \frac {1}{x \sqrt {1-a^2 x}} \, dx,x,x^2\right )\\ &=\frac {a^3 c^3 \sqrt {1-a^2 x^2}}{4 x^2}-\frac {c^3 \left (1-a^2 x^2\right )^{3/2}}{5 x^5}+\frac {a c^3 \left (1-a^2 x^2\right )^{3/2}}{2 x^4}-\frac {7 a^2 c^3 \left (1-a^2 x^2\right )^{3/2}}{15 x^3}-\frac {1}{4} \left (a^3 c^3\right ) \operatorname {Subst}\left (\int \frac {1}{\frac {1}{a^2}-\frac {x^2}{a^2}} \, dx,x,\sqrt {1-a^2 x^2}\right )\\ &=\frac {a^3 c^3 \sqrt {1-a^2 x^2}}{4 x^2}-\frac {c^3 \left (1-a^2 x^2\right )^{3/2}}{5 x^5}+\frac {a c^3 \left (1-a^2 x^2\right )^{3/2}}{2 x^4}-\frac {7 a^2 c^3 \left (1-a^2 x^2\right )^{3/2}}{15 x^3}-\frac {1}{4} a^5 c^3 \tanh ^{-1}\left (\sqrt {1-a^2 x^2}\right )\\ \end {align*}
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Mathematica [A] time = 0.04, size = 107, normalized size = 0.83 \[ -\frac {c^3 \left (28 a^6 x^6-15 a^5 x^5-44 a^4 x^4+45 a^3 x^3+4 a^2 x^2+15 a^5 x^5 \sqrt {1-a^2 x^2} \tanh ^{-1}\left (\sqrt {1-a^2 x^2}\right )-30 a x+12\right )}{60 x^5 \sqrt {1-a^2 x^2}} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.42, size = 95, normalized size = 0.74 \[ \frac {15 \, a^{5} c^{3} x^{5} \log \left (\frac {\sqrt {-a^{2} x^{2} + 1} - 1}{x}\right ) + {\left (28 \, a^{4} c^{3} x^{4} - 15 \, a^{3} c^{3} x^{3} - 16 \, a^{2} c^{3} x^{2} + 30 \, a c^{3} x - 12 \, c^{3}\right )} \sqrt {-a^{2} x^{2} + 1}}{60 \, x^{5}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.24, size = 297, normalized size = 2.30 \[ \frac {{\left (3 \, a^{6} c^{3} - \frac {15 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )} a^{4} c^{3}}{x} + \frac {25 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{2} a^{2} c^{3}}{x^{2}} - \frac {90 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{4} c^{3}}{a^{2} x^{4}}\right )} a^{10} x^{5}}{480 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{5} {\left | a \right |}} - \frac {a^{6} c^{3} \log \left (\frac {{\left | -2 \, \sqrt {-a^{2} x^{2} + 1} {\left | a \right |} - 2 \, a \right |}}{2 \, a^{2} {\left | x \right |}}\right )}{4 \, {\left | a \right |}} + \frac {\frac {90 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )} a^{8} c^{3}}{x} - \frac {25 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{3} a^{4} c^{3}}{x^{3}} + \frac {15 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{4} a^{2} c^{3}}{x^{4}} - \frac {3 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{5} c^{3}}{x^{5}}}{480 \, a^{4} {\left | a \right |}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.04, size = 190, normalized size = 1.47 \[ -c^{3} \left (-\frac {a^{4} \sqrt {-a^{2} x^{2}+1}}{x}-2 a^{3} \left (-\frac {\sqrt {-a^{2} x^{2}+1}}{2 x^{2}}-\frac {a^{2} \arctanh \left (\frac {1}{\sqrt {-a^{2} x^{2}+1}}\right )}{2}\right )+2 a \left (-\frac {\sqrt {-a^{2} x^{2}+1}}{4 x^{4}}+\frac {3 a^{2} \left (-\frac {\sqrt {-a^{2} x^{2}+1}}{2 x^{2}}-\frac {a^{2} \arctanh \left (\frac {1}{\sqrt {-a^{2} x^{2}+1}}\right )}{2}\right )}{4}\right )+\frac {\sqrt {-a^{2} x^{2}+1}}{5 x^{5}}-\frac {4 a^{2} \left (-\frac {\sqrt {-a^{2} x^{2}+1}}{3 x^{3}}-\frac {2 a^{2} \sqrt {-a^{2} x^{2}+1}}{3 x}\right )}{5}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.40, size = 145, normalized size = 1.12 \[ -\frac {1}{4} \, a^{5} c^{3} \log \left (\frac {2 \, \sqrt {-a^{2} x^{2} + 1}}{{\left | x \right |}} + \frac {2}{{\left | x \right |}}\right ) + \frac {7 \, \sqrt {-a^{2} x^{2} + 1} a^{4} c^{3}}{15 \, x} - \frac {\sqrt {-a^{2} x^{2} + 1} a^{3} c^{3}}{4 \, x^{2}} - \frac {4 \, \sqrt {-a^{2} x^{2} + 1} a^{2} c^{3}}{15 \, x^{3}} + \frac {\sqrt {-a^{2} x^{2} + 1} a c^{3}}{2 \, x^{4}} - \frac {\sqrt {-a^{2} x^{2} + 1} c^{3}}{5 \, x^{5}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.79, size = 136, normalized size = 1.05 \[ \frac {a\,c^3\,\sqrt {1-a^2\,x^2}}{2\,x^4}-\frac {c^3\,\sqrt {1-a^2\,x^2}}{5\,x^5}-\frac {4\,a^2\,c^3\,\sqrt {1-a^2\,x^2}}{15\,x^3}-\frac {a^3\,c^3\,\sqrt {1-a^2\,x^2}}{4\,x^2}+\frac {7\,a^4\,c^3\,\sqrt {1-a^2\,x^2}}{15\,x}+\frac {a^5\,c^3\,\mathrm {atan}\left (\sqrt {1-a^2\,x^2}\,1{}\mathrm {i}\right )\,1{}\mathrm {i}}{4} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [C] time = 8.26, size = 476, normalized size = 3.69 \[ - a^{4} c^{3} \left (\begin {cases} - \frac {i \sqrt {a^{2} x^{2} - 1}}{x} & \text {for}\: \left |{a^{2} x^{2}}\right | > 1 \\- \frac {\sqrt {- a^{2} x^{2} + 1}}{x} & \text {otherwise} \end {cases}\right ) + 2 a^{3} c^{3} \left (\begin {cases} - \frac {a^{2} \operatorname {acosh}{\left (\frac {1}{a x} \right )}}{2} - \frac {a \sqrt {-1 + \frac {1}{a^{2} x^{2}}}}{2 x} & \text {for}\: \frac {1}{\left |{a^{2} x^{2}}\right |} > 1 \\\frac {i a^{2} \operatorname {asin}{\left (\frac {1}{a x} \right )}}{2} - \frac {i a}{2 x \sqrt {1 - \frac {1}{a^{2} x^{2}}}} + \frac {i}{2 a x^{3} \sqrt {1 - \frac {1}{a^{2} x^{2}}}} & \text {otherwise} \end {cases}\right ) - 2 a c^{3} \left (\begin {cases} - \frac {3 a^{4} \operatorname {acosh}{\left (\frac {1}{a x} \right )}}{8} + \frac {3 a^{3}}{8 x \sqrt {-1 + \frac {1}{a^{2} x^{2}}}} - \frac {a}{8 x^{3} \sqrt {-1 + \frac {1}{a^{2} x^{2}}}} - \frac {1}{4 a x^{5} \sqrt {-1 + \frac {1}{a^{2} x^{2}}}} & \text {for}\: \frac {1}{\left |{a^{2} x^{2}}\right |} > 1 \\\frac {3 i a^{4} \operatorname {asin}{\left (\frac {1}{a x} \right )}}{8} - \frac {3 i a^{3}}{8 x \sqrt {1 - \frac {1}{a^{2} x^{2}}}} + \frac {i a}{8 x^{3} \sqrt {1 - \frac {1}{a^{2} x^{2}}}} + \frac {i}{4 a x^{5} \sqrt {1 - \frac {1}{a^{2} x^{2}}}} & \text {otherwise} \end {cases}\right ) + c^{3} \left (\begin {cases} - \frac {8 a^{5} \sqrt {-1 + \frac {1}{a^{2} x^{2}}}}{15} - \frac {4 a^{3} \sqrt {-1 + \frac {1}{a^{2} x^{2}}}}{15 x^{2}} - \frac {a \sqrt {-1 + \frac {1}{a^{2} x^{2}}}}{5 x^{4}} & \text {for}\: \frac {1}{\left |{a^{2} x^{2}}\right |} > 1 \\- \frac {8 i a^{5} \sqrt {1 - \frac {1}{a^{2} x^{2}}}}{15} - \frac {4 i a^{3} \sqrt {1 - \frac {1}{a^{2} x^{2}}}}{15 x^{2}} - \frac {i a \sqrt {1 - \frac {1}{a^{2} x^{2}}}}{5 x^{4}} & \text {otherwise} \end {cases}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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