Optimal. Leaf size=201 \[ \frac {c^2 x^{1+m} \text {ArcTan}(a x)}{1+m}+\frac {2 a^2 c^2 x^{3+m} \text {ArcTan}(a x)}{3+m}+\frac {a^4 c^2 x^{5+m} \text {ArcTan}(a x)}{5+m}-\frac {a c^2 x^{2+m} \, _2F_1\left (1,\frac {2+m}{2};\frac {4+m}{2};-a^2 x^2\right )}{2+3 m+m^2}-\frac {2 a^3 c^2 x^{4+m} \, _2F_1\left (1,\frac {4+m}{2};\frac {6+m}{2};-a^2 x^2\right )}{12+7 m+m^2}-\frac {a^5 c^2 x^{6+m} \, _2F_1\left (1,\frac {6+m}{2};\frac {8+m}{2};-a^2 x^2\right )}{(5+m) (6+m)} \]
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Rubi [A]
time = 0.12, antiderivative size = 201, normalized size of antiderivative = 1.00, number of steps
used = 8, number of rules used = 3, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.150, Rules used = {5068, 4946,
371} \begin {gather*} \frac {a^4 c^2 x^{m+5} \text {ArcTan}(a x)}{m+5}+\frac {2 a^2 c^2 x^{m+3} \text {ArcTan}(a x)}{m+3}-\frac {a c^2 x^{m+2} \, _2F_1\left (1,\frac {m+2}{2};\frac {m+4}{2};-a^2 x^2\right )}{m^2+3 m+2}-\frac {a^5 c^2 x^{m+6} \, _2F_1\left (1,\frac {m+6}{2};\frac {m+8}{2};-a^2 x^2\right )}{(m+5) (m+6)}-\frac {2 a^3 c^2 x^{m+4} \, _2F_1\left (1,\frac {m+4}{2};\frac {m+6}{2};-a^2 x^2\right )}{m^2+7 m+12}+\frac {c^2 x^{m+1} \text {ArcTan}(a x)}{m+1} \end {gather*}
Antiderivative was successfully verified.
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Rule 371
Rule 4946
Rule 5068
Rubi steps
\begin {align*} \int x^m \left (c+a^2 c x^2\right )^2 \tan ^{-1}(a x) \, dx &=\int \left (c^2 x^m \tan ^{-1}(a x)+2 a^2 c^2 x^{2+m} \tan ^{-1}(a x)+a^4 c^2 x^{4+m} \tan ^{-1}(a x)\right ) \, dx\\ &=c^2 \int x^m \tan ^{-1}(a x) \, dx+\left (2 a^2 c^2\right ) \int x^{2+m} \tan ^{-1}(a x) \, dx+\left (a^4 c^2\right ) \int x^{4+m} \tan ^{-1}(a x) \, dx\\ &=\frac {c^2 x^{1+m} \tan ^{-1}(a x)}{1+m}+\frac {2 a^2 c^2 x^{3+m} \tan ^{-1}(a x)}{3+m}+\frac {a^4 c^2 x^{5+m} \tan ^{-1}(a x)}{5+m}-\frac {\left (a c^2\right ) \int \frac {x^{1+m}}{1+a^2 x^2} \, dx}{1+m}-\frac {\left (2 a^3 c^2\right ) \int \frac {x^{3+m}}{1+a^2 x^2} \, dx}{3+m}-\frac {\left (a^5 c^2\right ) \int \frac {x^{5+m}}{1+a^2 x^2} \, dx}{5+m}\\ &=\frac {c^2 x^{1+m} \tan ^{-1}(a x)}{1+m}+\frac {2 a^2 c^2 x^{3+m} \tan ^{-1}(a x)}{3+m}+\frac {a^4 c^2 x^{5+m} \tan ^{-1}(a x)}{5+m}-\frac {a c^2 x^{2+m} \, _2F_1\left (1,\frac {2+m}{2};\frac {4+m}{2};-a^2 x^2\right )}{2+3 m+m^2}-\frac {2 a^3 c^2 x^{4+m} \, _2F_1\left (1,\frac {4+m}{2};\frac {6+m}{2};-a^2 x^2\right )}{12+7 m+m^2}-\frac {a^5 c^2 x^{6+m} \, _2F_1\left (1,\frac {6+m}{2};\frac {8+m}{2};-a^2 x^2\right )}{(5+m) (6+m)}\\ \end {align*}
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Mathematica [A]
time = 0.15, size = 175, normalized size = 0.87 \begin {gather*} c^2 x^{1+m} \left (\frac {\text {ArcTan}(a x)}{1+m}+\frac {2 a^2 x^2 \text {ArcTan}(a x)}{3+m}+\frac {a^4 x^4 \text {ArcTan}(a x)}{5+m}-\frac {a x \, _2F_1\left (1,1+\frac {m}{2};2+\frac {m}{2};-a^2 x^2\right )}{2+3 m+m^2}-\frac {2 a^3 x^3 \, _2F_1\left (1,2+\frac {m}{2};3+\frac {m}{2};-a^2 x^2\right )}{12+7 m+m^2}-\frac {a^5 x^5 \, _2F_1\left (1,3+\frac {m}{2};4+\frac {m}{2};-a^2 x^2\right )}{(5+m) (6+m)}\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains higher order function than in optimal. Order 9 vs. order
5.
time = 0.77, size = 376, normalized size = 1.87
method | result | size |
meijerg | \(\frac {a^{-m -1} c^{2} \left (-\frac {4 x^{m} a^{m} \left (a^{4} m^{2} x^{4}+2 a^{4} m \,x^{4}-a^{2} m^{2} x^{2}-4 a^{2} m \,x^{2}+m^{2}+6 m +8\right )}{\left (5+m \right ) m \left (2+m \right ) \left (4+m \right )}+\frac {8 x^{6+m} a^{6+m} \arctan \left (\sqrt {a^{2} x^{2}}\right )}{\left (10+2 m \right ) \sqrt {a^{2} x^{2}}}+\frac {2 x^{m} a^{m} \Phi \left (-a^{2} x^{2}, 1, \frac {m}{2}\right )}{5+m}\right )}{4}+\frac {a^{-m -1} c^{2} \left (-\frac {4 x^{m} a^{m} \left (a^{2} m \,x^{2}-m -2\right )}{\left (3+m \right ) m \left (2+m \right )}+\frac {8 x^{4+m} a^{4+m} \arctan \left (\sqrt {a^{2} x^{2}}\right )}{\left (6+2 m \right ) \sqrt {a^{2} x^{2}}}+\frac {2 x^{m} a^{m} \left (-m -4\right ) \Phi \left (-a^{2} x^{2}, 1, \frac {m}{2}\right )}{\left (4+m \right ) \left (3+m \right )}\right )}{2}+\frac {a^{-m -1} c^{2} \left (\frac {4 x^{m} a^{m} \left (-m -2\right )}{\left (2+m \right ) \left (1+m \right ) m}+\frac {8 x^{2+m} a^{2+m} \arctan \left (\sqrt {a^{2} x^{2}}\right )}{\left (2+2 m \right ) \sqrt {a^{2} x^{2}}}+\frac {2 x^{m} a^{m} \Phi \left (-a^{2} x^{2}, 1, \frac {m}{2}\right )}{1+m}\right )}{4}\) | \(376\) |
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 [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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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} c^{2} \left (\int x^{m} \operatorname {atan}{\left (a x \right )}\, dx + \int 2 a^{2} x^{2} x^{m} \operatorname {atan}{\left (a x \right )}\, dx + \int a^{4} x^{4} x^{m} \operatorname {atan}{\left (a x \right )}\, dx\right ) \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 [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int x^m\,\mathrm {atan}\left (a\,x\right )\,{\left (c\,a^2\,x^2+c\right )}^2 \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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