Optimal. Leaf size=97 \[ \frac {2 (1+a x)}{7 a \left (c-a^2 c x^2\right )^{7/2}}+\frac {x}{7 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x}{21 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 x}{21 c^3 \sqrt {c-a^2 c x^2}} \]
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Rubi [A]
time = 0.06, antiderivative size = 97, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 4, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {6276, 667, 198,
197} \begin {gather*} \frac {8 x}{21 c^3 \sqrt {c-a^2 c x^2}}+\frac {4 x}{21 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {x}{7 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {2 (a x+1)}{7 a \left (c-a^2 c x^2\right )^{7/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 197
Rule 198
Rule 667
Rule 6276
Rubi steps
\begin {align*} \int \frac {e^{2 \tanh ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^{7/2}} \, dx &=c \int \frac {(1+a x)^2}{\left (c-a^2 c x^2\right )^{9/2}} \, dx\\ &=\frac {2 (1+a x)}{7 a \left (c-a^2 c x^2\right )^{7/2}}+\frac {5}{7} \int \frac {1}{\left (c-a^2 c x^2\right )^{7/2}} \, dx\\ &=\frac {2 (1+a x)}{7 a \left (c-a^2 c x^2\right )^{7/2}}+\frac {x}{7 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 \int \frac {1}{\left (c-a^2 c x^2\right )^{5/2}} \, dx}{7 c}\\ &=\frac {2 (1+a x)}{7 a \left (c-a^2 c x^2\right )^{7/2}}+\frac {x}{7 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x}{21 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 \int \frac {1}{\left (c-a^2 c x^2\right )^{3/2}} \, dx}{21 c^2}\\ &=\frac {2 (1+a x)}{7 a \left (c-a^2 c x^2\right )^{7/2}}+\frac {x}{7 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x}{21 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 x}{21 c^3 \sqrt {c-a^2 c x^2}}\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 96, normalized size = 0.99 \begin {gather*} -\frac {\sqrt {1-a^2 x^2} \left (-6-9 a x+24 a^2 x^2-4 a^3 x^3-16 a^4 x^4+8 a^5 x^5\right )}{21 a c^3 (1-a x)^{7/2} (1+a x)^{3/2} \sqrt {c-a^2 c 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. \(291\) vs.
\(2(81)=162\).
time = 0.06, size = 292, normalized size = 3.01
method | result | size |
gosper | \(-\frac {\left (8 x^{5} a^{5}-16 a^{4} x^{4}-4 a^{3} x^{3}+24 a^{2} x^{2}-9 a x -6\right ) \left (a x +1\right )^{2}}{21 \left (-a^{2} c \,x^{2}+c \right )^{\frac {7}{2}} a}\) | \(64\) |
trager | \(-\frac {\left (8 x^{5} a^{5}-16 a^{4} x^{4}-4 a^{3} x^{3}+24 a^{2} x^{2}-9 a x -6\right ) \sqrt {-a^{2} c \,x^{2}+c}}{21 c^{4} \left (a x -1\right )^{4} \left (a x +1\right )^{2} a}\) | \(74\) |
default | \(-\frac {x}{5 c \left (-a^{2} c \,x^{2}+c \right )^{\frac {5}{2}}}-\frac {4 \left (\frac {x}{3 c \left (-a^{2} c \,x^{2}+c \right )^{\frac {3}{2}}}+\frac {2 x}{3 c^{2} \sqrt {-a^{2} c \,x^{2}+c}}\right )}{5 c}-\frac {2 \left (\frac {1}{7 a c \left (x -\frac {1}{a}\right ) \left (-c \,a^{2} \left (x -\frac {1}{a}\right )^{2}-2 c a \left (x -\frac {1}{a}\right )\right )^{\frac {5}{2}}}-\frac {6 a \left (-\frac {-2 a^{2} c \left (x -\frac {1}{a}\right )-2 a c}{10 a^{2} c^{2} \left (-c \,a^{2} \left (x -\frac {1}{a}\right )^{2}-2 c a \left (x -\frac {1}{a}\right )\right )^{\frac {5}{2}}}+\frac {-\frac {2 \left (-2 a^{2} c \left (x -\frac {1}{a}\right )-2 a c \right )}{15 a^{2} c^{2} \left (-c \,a^{2} \left (x -\frac {1}{a}\right )^{2}-2 c a \left (x -\frac {1}{a}\right )\right )^{\frac {3}{2}}}-\frac {4 \left (-2 a^{2} c \left (x -\frac {1}{a}\right )-2 a c \right )}{15 a^{2} c^{3} \sqrt {-c \,a^{2} \left (x -\frac {1}{a}\right )^{2}-2 c a \left (x -\frac {1}{a}\right )}}}{c}\right )}{7}\right )}{a}\) | \(292\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 242 vs.
\(2 (81) = 162\).
time = 0.33, size = 242, normalized size = 2.49 \begin {gather*} \frac {1}{21} \, a {\left (\frac {3 \, a}{{\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}} a^{4} c x + {\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}} a^{3} c} - \frac {3 \, a}{{\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}} a^{4} c x - {\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}} a^{3} c} - \frac {3}{{\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}} a^{3} c x + {\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}} a^{2} c} - \frac {3}{{\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}} a^{3} c x - {\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}} a^{2} c} + \frac {8 \, x}{\sqrt {-a^{2} c x^{2} + c} a c^{3}} + \frac {4 \, x}{{\left (-a^{2} c x^{2} + c\right )}^{\frac {3}{2}} a c^{2}} + \frac {3 \, x}{{\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}} a c}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.47, size = 124, normalized size = 1.28 \begin {gather*} -\frac {{\left (8 \, a^{5} x^{5} - 16 \, a^{4} x^{4} - 4 \, a^{3} x^{3} + 24 \, a^{2} x^{2} - 9 \, a x - 6\right )} \sqrt {-a^{2} c x^{2} + c}}{21 \, {\left (a^{7} c^{4} x^{6} - 2 \, a^{6} c^{4} x^{5} - a^{5} c^{4} x^{4} + 4 \, a^{4} c^{4} x^{3} - a^{3} c^{4} x^{2} - 2 \, a^{2} c^{4} x + a 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*} - \int \frac {a x}{- a^{7} c^{3} x^{7} \sqrt {- a^{2} c x^{2} + c} + a^{6} c^{3} x^{6} \sqrt {- a^{2} c x^{2} + c} + 3 a^{5} c^{3} x^{5} \sqrt {- a^{2} c x^{2} + c} - 3 a^{4} c^{3} x^{4} \sqrt {- a^{2} c x^{2} + c} - 3 a^{3} c^{3} x^{3} \sqrt {- a^{2} c x^{2} + c} + 3 a^{2} c^{3} x^{2} \sqrt {- a^{2} c x^{2} + c} + a c^{3} x \sqrt {- a^{2} c x^{2} + c} - c^{3} \sqrt {- a^{2} c x^{2} + c}}\, dx - \int \frac {1}{- a^{7} c^{3} x^{7} \sqrt {- a^{2} c x^{2} + c} + a^{6} c^{3} x^{6} \sqrt {- a^{2} c x^{2} + c} + 3 a^{5} c^{3} x^{5} \sqrt {- a^{2} c x^{2} + c} - 3 a^{4} c^{3} x^{4} \sqrt {- a^{2} c x^{2} + c} - 3 a^{3} c^{3} x^{3} \sqrt {- a^{2} c x^{2} + c} + 3 a^{2} c^{3} x^{2} \sqrt {- a^{2} c x^{2} + c} + a c^{3} x \sqrt {- a^{2} c x^{2} + c} - c^{3} \sqrt {- a^{2} c x^{2} + c}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.10, size = 133, normalized size = 1.37 \begin {gather*} \frac {\sqrt {c-a^2\,c\,x^2}}{28\,a\,c^4\,{\left (a\,x-1\right )}^4}-\frac {\sqrt {c-a^2\,c\,x^2}}{14\,a\,c^4\,{\left (a\,x-1\right )}^3}+\frac {\sqrt {c-a^2\,c\,x^2}\,\left (\frac {11\,x}{42\,c^4}+\frac {5}{28\,a\,c^4}\right )}{{\left (a\,x-1\right )}^2\,{\left (a\,x+1\right )}^2}-\frac {8\,x\,\sqrt {c-a^2\,c\,x^2}}{21\,c^4\,\left (a\,x-1\right )\,\left (a\,x+1\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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