Optimal. Leaf size=94 \[ -\frac {\sqrt {1-a^2 x^2}}{5 a c^2 (1+a x)^3}-\frac {2 \sqrt {1-a^2 x^2}}{15 a c^2 (1+a x)^2}-\frac {2 \sqrt {1-a^2 x^2}}{15 a c^2 (1+a x)} \]
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Rubi [A]
time = 0.05, antiderivative size = 94, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 4, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {6274, 669, 673,
665} \begin {gather*} -\frac {2 \sqrt {1-a^2 x^2}}{15 a c^2 (a x+1)}-\frac {2 \sqrt {1-a^2 x^2}}{15 a c^2 (a x+1)^2}-\frac {\sqrt {1-a^2 x^2}}{5 a c^2 (a x+1)^3} \end {gather*}
Antiderivative was successfully verified.
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Rule 665
Rule 669
Rule 673
Rule 6274
Rubi steps
\begin {align*} \int \frac {e^{-3 \tanh ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^2} \, dx &=\frac {\int \frac {(1-a x)^3}{\left (1-a^2 x^2\right )^{7/2}} \, dx}{c^2}\\ &=\frac {\int \frac {1}{(1+a x)^3 \sqrt {1-a^2 x^2}} \, dx}{c^2}\\ &=-\frac {\sqrt {1-a^2 x^2}}{5 a c^2 (1+a x)^3}+\frac {2 \int \frac {1}{(1+a x)^2 \sqrt {1-a^2 x^2}} \, dx}{5 c^2}\\ &=-\frac {\sqrt {1-a^2 x^2}}{5 a c^2 (1+a x)^3}-\frac {2 \sqrt {1-a^2 x^2}}{15 a c^2 (1+a x)^2}+\frac {2 \int \frac {1}{(1+a x) \sqrt {1-a^2 x^2}} \, dx}{15 c^2}\\ &=-\frac {\sqrt {1-a^2 x^2}}{5 a c^2 (1+a x)^3}-\frac {2 \sqrt {1-a^2 x^2}}{15 a c^2 (1+a x)^2}-\frac {2 \sqrt {1-a^2 x^2}}{15 a c^2 (1+a x)}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 43, normalized size = 0.46 \begin {gather*} -\frac {\sqrt {1-a x} \left (7+6 a x+2 a^2 x^2\right )}{15 a c^2 (1+a x)^{5/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains higher order function than in optimal. Order 3 vs. order
2.
time = 0.06, size = 1031, normalized size = 10.97
method | result | size |
gosper | \(-\frac {\sqrt {-a^{2} x^{2}+1}\, \left (2 a^{2} x^{2}+6 a x +7\right )}{15 \left (a x +1\right )^{3} c^{2} a}\) | \(42\) |
trager | \(-\frac {\sqrt {-a^{2} x^{2}+1}\, \left (2 a^{2} x^{2}+6 a x +7\right )}{15 \left (a x +1\right )^{3} c^{2} a}\) | \(42\) |
default | \(\text {Expression too large to display}\) | \(1031\) |
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 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.34, size = 89, normalized size = 0.95 \begin {gather*} -\frac {7 \, a^{3} x^{3} + 21 \, a^{2} x^{2} + 21 \, a x + {\left (2 \, a^{2} x^{2} + 6 \, a x + 7\right )} \sqrt {-a^{2} x^{2} + 1} + 7}{15 \, {\left (a^{4} c^{2} x^{3} + 3 \, a^{3} c^{2} x^{2} + 3 \, a^{2} c^{2} x + a c^{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*} \frac {\int \frac {1}{a^{3} x^{3} \sqrt {- a^{2} x^{2} + 1} + 3 a^{2} x^{2} \sqrt {- a^{2} x^{2} + 1} + 3 a x \sqrt {- a^{2} x^{2} + 1} + \sqrt {- a^{2} x^{2} + 1}}\, dx}{c^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.42, size = 145, normalized size = 1.54 \begin {gather*} \frac {2 \, {\left (\frac {20 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}}{a^{2} x} + \frac {40 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{2}}{a^{4} x^{2}} + \frac {30 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{3}}{a^{6} x^{3}} + \frac {15 \, {\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )}^{4}}{a^{8} x^{4}} + 7\right )}}{15 \, c^{2} {\left (\frac {\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a}{a^{2} x} + 1\right )}^{5} {\left | a \right |}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.06, size = 125, normalized size = 1.33 \begin {gather*} -\frac {\sqrt {1-a^2\,x^2}\,\left (\frac {a^3}{5\,c^2\,{\left (x\,\sqrt {-a^2}+\frac {\sqrt {-a^2}}{a}\right )}^3}-\frac {2\,a^3}{15\,c^2\,\left (x\,\sqrt {-a^2}+\frac {\sqrt {-a^2}}{a}\right )}+\frac {2\,a^4}{15\,c^2\,{\left (x\,\sqrt {-a^2}+\frac {\sqrt {-a^2}}{a}\right )}^2\,\sqrt {-a^2}}\right )}{a^3\,\sqrt {-a^2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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