Optimal. Leaf size=138 \[ -\frac {2 \sqrt {1-a^2 x^2}}{a^4 c^4 (1-a x)}+\frac {\left (1-a^2 x^2\right )^{3/2}}{7 a^4 c^4 (1-a x)^5}-\frac {19 \left (1-a^2 x^2\right )^{3/2}}{35 a^4 c^4 (1-a x)^4}+\frac {86 \left (1-a^2 x^2\right )^{3/2}}{105 a^4 c^4 (1-a x)^3}+\frac {\text {ArcSin}(a x)}{a^4 c^4} \]
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Rubi [A]
time = 0.19, antiderivative size = 138, normalized size of antiderivative = 1.00, number of steps
used = 11, number of rules used = 6, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.316, Rules used = {6263, 1651,
673, 665, 677, 222} \begin {gather*} \frac {\text {ArcSin}(a x)}{a^4 c^4}+\frac {86 \left (1-a^2 x^2\right )^{3/2}}{105 a^4 c^4 (1-a x)^3}-\frac {19 \left (1-a^2 x^2\right )^{3/2}}{35 a^4 c^4 (1-a x)^4}+\frac {\left (1-a^2 x^2\right )^{3/2}}{7 a^4 c^4 (1-a x)^5}-\frac {2 \sqrt {1-a^2 x^2}}{a^4 c^4 (1-a x)} \end {gather*}
Antiderivative was successfully verified.
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Rule 222
Rule 665
Rule 673
Rule 677
Rule 1651
Rule 6263
Rubi steps
\begin {align*} \int \frac {e^{\tanh ^{-1}(a x)} x^3}{(c-a c x)^4} \, dx &=c \int \frac {x^3 \sqrt {1-a^2 x^2}}{(c-a c x)^5} \, dx\\ &=c \int \left (-\frac {\sqrt {1-a^2 x^2}}{a^3 c^5 (-1+a x)^5}-\frac {3 \sqrt {1-a^2 x^2}}{a^3 c^5 (-1+a x)^4}-\frac {3 \sqrt {1-a^2 x^2}}{a^3 c^5 (-1+a x)^3}-\frac {\sqrt {1-a^2 x^2}}{a^3 c^5 (-1+a x)^2}\right ) \, dx\\ &=-\frac {\int \frac {\sqrt {1-a^2 x^2}}{(-1+a x)^5} \, dx}{a^3 c^4}-\frac {\int \frac {\sqrt {1-a^2 x^2}}{(-1+a x)^2} \, dx}{a^3 c^4}-\frac {3 \int \frac {\sqrt {1-a^2 x^2}}{(-1+a x)^4} \, dx}{a^3 c^4}-\frac {3 \int \frac {\sqrt {1-a^2 x^2}}{(-1+a x)^3} \, dx}{a^3 c^4}\\ &=-\frac {2 \sqrt {1-a^2 x^2}}{a^4 c^4 (1-a x)}+\frac {\left (1-a^2 x^2\right )^{3/2}}{7 a^4 c^4 (1-a x)^5}-\frac {3 \left (1-a^2 x^2\right )^{3/2}}{5 a^4 c^4 (1-a x)^4}+\frac {\left (1-a^2 x^2\right )^{3/2}}{a^4 c^4 (1-a x)^3}+\frac {2 \int \frac {\sqrt {1-a^2 x^2}}{(-1+a x)^4} \, dx}{7 a^3 c^4}+\frac {3 \int \frac {\sqrt {1-a^2 x^2}}{(-1+a x)^3} \, dx}{5 a^3 c^4}+\frac {\int \frac {1}{\sqrt {1-a^2 x^2}} \, dx}{a^3 c^4}\\ &=-\frac {2 \sqrt {1-a^2 x^2}}{a^4 c^4 (1-a x)}+\frac {\left (1-a^2 x^2\right )^{3/2}}{7 a^4 c^4 (1-a x)^5}-\frac {19 \left (1-a^2 x^2\right )^{3/2}}{35 a^4 c^4 (1-a x)^4}+\frac {4 \left (1-a^2 x^2\right )^{3/2}}{5 a^4 c^4 (1-a x)^3}+\frac {\sin ^{-1}(a x)}{a^4 c^4}-\frac {2 \int \frac {\sqrt {1-a^2 x^2}}{(-1+a x)^3} \, dx}{35 a^3 c^4}\\ &=-\frac {2 \sqrt {1-a^2 x^2}}{a^4 c^4 (1-a x)}+\frac {\left (1-a^2 x^2\right )^{3/2}}{7 a^4 c^4 (1-a x)^5}-\frac {19 \left (1-a^2 x^2\right )^{3/2}}{35 a^4 c^4 (1-a x)^4}+\frac {86 \left (1-a^2 x^2\right )^{3/2}}{105 a^4 c^4 (1-a x)^3}+\frac {\sin ^{-1}(a x)}{a^4 c^4}\\ \end {align*}
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Mathematica [A]
time = 0.16, size = 94, normalized size = 0.68 \begin {gather*} \frac {\sqrt {1+a x} \left (\sqrt {1-a^2 x^2} \left (-166+559 a x-659 a^2 x^2+296 a^3 x^3\right )+105 (-1+a x)^4 \text {ArcSin}(a x)\right )}{105 a^4 c^4 (1-a x)^{7/2} \sqrt {1-a^2 x^2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(465\) vs.
\(2(124)=248\).
time = 0.81, size = 466, normalized size = 3.38
method | result | size |
default | \(\frac {\frac {\arctan \left (\frac {\sqrt {a^{2}}\, x}{\sqrt {-a^{2} x^{2}+1}}\right )}{a^{3} \sqrt {a^{2}}}+\frac {\frac {3 \sqrt {-a^{2} \left (x -\frac {1}{a}\right )^{2}-2 a \left (x -\frac {1}{a}\right )}}{a \left (x -\frac {1}{a}\right )^{2}}-\frac {3 \sqrt {-a^{2} \left (x -\frac {1}{a}\right )^{2}-2 a \left (x -\frac {1}{a}\right )}}{x -\frac {1}{a}}}{a^{5}}+\frac {\frac {7 \sqrt {-a^{2} \left (x -\frac {1}{a}\right )^{2}-2 a \left (x -\frac {1}{a}\right )}}{5 a \left (x -\frac {1}{a}\right )^{3}}-\frac {14 a \left (\frac {\sqrt {-a^{2} \left (x -\frac {1}{a}\right )^{2}-2 a \left (x -\frac {1}{a}\right )}}{3 a \left (x -\frac {1}{a}\right )^{2}}-\frac {\sqrt {-a^{2} \left (x -\frac {1}{a}\right )^{2}-2 a \left (x -\frac {1}{a}\right )}}{3 \left (x -\frac {1}{a}\right )}\right )}{5}}{a^{6}}+\frac {\frac {2 \sqrt {-a^{2} \left (x -\frac {1}{a}\right )^{2}-2 a \left (x -\frac {1}{a}\right )}}{7 a \left (x -\frac {1}{a}\right )^{4}}-\frac {6 a \left (\frac {\sqrt {-a^{2} \left (x -\frac {1}{a}\right )^{2}-2 a \left (x -\frac {1}{a}\right )}}{5 a \left (x -\frac {1}{a}\right )^{3}}-\frac {2 a \left (\frac {\sqrt {-a^{2} \left (x -\frac {1}{a}\right )^{2}-2 a \left (x -\frac {1}{a}\right )}}{3 a \left (x -\frac {1}{a}\right )^{2}}-\frac {\sqrt {-a^{2} \left (x -\frac {1}{a}\right )^{2}-2 a \left (x -\frac {1}{a}\right )}}{3 \left (x -\frac {1}{a}\right )}\right )}{5}\right )}{7}}{a^{7}}+\frac {5 \sqrt {-a^{2} \left (x -\frac {1}{a}\right )^{2}-2 a \left (x -\frac {1}{a}\right )}}{a^{5} \left (x -\frac {1}{a}\right )}}{c^{4}}\) | \(466\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.47, size = 208, normalized size = 1.51 \begin {gather*} \frac {2 \, \sqrt {-a^{2} x^{2} + 1}}{7 \, {\left (a^{8} c^{4} x^{4} - 4 \, a^{7} c^{4} x^{3} + 6 \, a^{6} c^{4} x^{2} - 4 \, a^{5} c^{4} x + a^{4} c^{4}\right )}} + \frac {43 \, \sqrt {-a^{2} x^{2} + 1}}{35 \, {\left (a^{7} c^{4} x^{3} - 3 \, a^{6} c^{4} x^{2} + 3 \, a^{5} c^{4} x - a^{4} c^{4}\right )}} + \frac {229 \, \sqrt {-a^{2} x^{2} + 1}}{105 \, {\left (a^{6} c^{4} x^{2} - 2 \, a^{5} c^{4} x + a^{4} c^{4}\right )}} + \frac {296 \, \sqrt {-a^{2} x^{2} + 1}}{105 \, {\left (a^{5} c^{4} x - a^{4} c^{4}\right )}} + \frac {\arcsin \left (a x\right )}{a^{4} c^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.36, size = 172, normalized size = 1.25 \begin {gather*} -\frac {166 \, a^{4} x^{4} - 664 \, a^{3} x^{3} + 996 \, a^{2} x^{2} - 664 \, a x + 210 \, {\left (a^{4} x^{4} - 4 \, a^{3} x^{3} + 6 \, a^{2} x^{2} - 4 \, a x + 1\right )} \arctan \left (\frac {\sqrt {-a^{2} x^{2} + 1} - 1}{a x}\right ) - {\left (296 \, a^{3} x^{3} - 659 \, a^{2} x^{2} + 559 \, a x - 166\right )} \sqrt {-a^{2} x^{2} + 1} + 166}{105 \, {\left (a^{8} c^{4} x^{4} - 4 \, a^{7} c^{4} x^{3} + 6 \, a^{6} c^{4} x^{2} - 4 \, a^{5} c^{4} x + a^{4} c^{4}\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*} \frac {\int \frac {x^{3}}{a^{4} x^{4} \sqrt {- a^{2} x^{2} + 1} - 4 a^{3} x^{3} \sqrt {- a^{2} x^{2} + 1} + 6 a^{2} x^{2} \sqrt {- a^{2} x^{2} + 1} - 4 a x \sqrt {- a^{2} x^{2} + 1} + \sqrt {- a^{2} x^{2} + 1}}\, dx + \int \frac {a x^{4}}{a^{4} x^{4} \sqrt {- a^{2} x^{2} + 1} - 4 a^{3} x^{3} \sqrt {- a^{2} x^{2} + 1} + 6 a^{2} x^{2} \sqrt {- a^{2} x^{2} + 1} - 4 a x \sqrt {- a^{2} x^{2} + 1} + \sqrt {- a^{2} x^{2} + 1}}\, dx}{c^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.42, size = 220, normalized size = 1.59 \begin {gather*} \frac {\arcsin \left (a x\right ) \mathrm {sgn}\left (a\right )}{a^{3} c^{4} {\left | a \right |}} + \frac {2 \, {\left (\frac {1057 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}}{a^{2} x} - \frac {2751 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{2}}{a^{4} x^{2}} + \frac {3640 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{3}}{a^{6} x^{3}} - \frac {2170 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{4}}{a^{8} x^{4}} + \frac {735 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{5}}{a^{10} x^{5}} - \frac {105 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{6}}{a^{12} x^{6}} - 166\right )}}{105 \, a^{3} c^{4} {\left (\frac {\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a}{a^{2} x} - 1\right )}^{7} {\left | a \right |}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.07, size = 281, normalized size = 2.04 \begin {gather*} \frac {2\,\sqrt {1-a^2\,x^2}}{7\,\left (a^8\,c^4\,x^4-4\,a^7\,c^4\,x^3+6\,a^6\,c^4\,x^2-4\,a^5\,c^4\,x+a^4\,c^4\right )}+\frac {229\,\sqrt {1-a^2\,x^2}}{105\,\left (a^6\,c^4\,x^2-2\,a^5\,c^4\,x+a^4\,c^4\right )}+\frac {43\,\sqrt {1-a^2\,x^2}}{35\,\sqrt {-a^2}\,\left (a^2\,c^4\,\sqrt {-a^2}+3\,a^4\,c^4\,x^2\,\sqrt {-a^2}-a^5\,c^4\,x^3\,\sqrt {-a^2}-3\,a^3\,c^4\,x\,\sqrt {-a^2}\right )}+\frac {296\,\sqrt {1-a^2\,x^2}}{105\,\left (a^2\,c^4\,\sqrt {-a^2}-a^3\,c^4\,x\,\sqrt {-a^2}\right )\,\sqrt {-a^2}}+\frac {\mathrm {asinh}\left (x\,\sqrt {-a^2}\right )}{a^3\,c^4\,\sqrt {-a^2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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