Optimal. Leaf size=114 \[ \frac {2 \left (2 m^2+4 m+3\right ) x^{m+1} \, _2F_1(1,m+1;m+2;i a x)}{m+1}+\frac {4 i x^{m+1} \left (a \left (m^2+3 m+3\right ) x+i (m+1)^2\right )}{(m+1) (1-i a x)^2}-\frac {(1+i a x)^2 x^{m+1}}{(m+1) (1-i a x)^2} \]
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Rubi [A] time = 0.10, antiderivative size = 114, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {5062, 100, 145, 64} \[ \frac {2 \left (2 m^2+4 m+3\right ) x^{m+1} \text {Hypergeometric2F1}(1,m+1,m+2,i a x)}{m+1}+\frac {4 i x^{m+1} \left (a \left (m^2+3 m+3\right ) x+i (m+1)^2\right )}{(m+1) (1-i a x)^2}-\frac {(1+i a x)^2 x^{m+1}}{(m+1) (1-i a x)^2} \]
Antiderivative was successfully verified.
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Rule 64
Rule 100
Rule 145
Rule 5062
Rubi steps
\begin {align*} \int e^{6 i \tan ^{-1}(a x)} x^m \, dx &=\int \frac {x^m (1+i a x)^3}{(1-i a x)^3} \, dx\\ &=-\frac {x^{1+m} (1+i a x)^2}{(1+m) (1-i a x)^2}+\frac {i \int \frac {x^m (1+i a x) \left (-2 i a (1+m)+2 a^2 (3+m) x\right )}{(1-i a x)^3} \, dx}{a (1+m)}\\ &=-\frac {x^{1+m} (1+i a x)^2}{(1+m) (1-i a x)^2}+\frac {4 i x^{1+m} \left (i (1+m)^2+a \left (3+3 m+m^2\right ) x\right )}{(1+m) (1-i a x)^2}+\left (2 \left (3+4 m+2 m^2\right )\right ) \int \frac {x^m}{1-i a x} \, dx\\ &=-\frac {x^{1+m} (1+i a x)^2}{(1+m) (1-i a x)^2}+\frac {4 i x^{1+m} \left (i (1+m)^2+a \left (3+3 m+m^2\right ) x\right )}{(1+m) (1-i a x)^2}+\frac {2 \left (3+4 m+2 m^2\right ) x^{1+m} \, _2F_1(1,1+m;2+m;i a x)}{1+m}\\ \end {align*}
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Mathematica [A] time = 0.05, size = 94, normalized size = 0.82 \[ \frac {x^{m+1} \left (-a^2 x^2+2 \left (2 m^2+4 m+3\right ) (a x+i)^2 \, _2F_1(1,m+1;m+2;i a x)+m^2 (4-4 i a x)+4 m (2-3 i a x)-10 i a x+5\right )}{(m+1) (a x+i)^2} \]
Antiderivative was successfully verified.
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fricas [F] time = 0.59, size = 0, normalized size = 0.00 \[ {\rm integral}\left (-\frac {{\left (a^{3} x^{3} - 3 i \, a^{2} x^{2} - 3 \, a x + i\right )} x^{m}}{a^{3} x^{3} + 3 i \, a^{2} x^{2} - 3 \, a x - i}, x\right ) \]
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 \[ \int \frac {{\left (i \, a x + 1\right )}^{6} x^{m}}{{\left (a^{2} x^{2} + 1\right )}^{3}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 0.75, size = 748, normalized size = 6.56 \[ \frac {\left (a^{2}\right )^{-\frac {1}{2}-\frac {m}{2}} \left (\frac {x^{1+m} \left (a^{2}\right )^{\frac {1}{2}+\frac {m}{2}} \left (-a^{2} m^{2} x^{2}+2 a^{2} m \,x^{2}+3 a^{2} x^{2}-m^{2}+4 m +5\right )}{2 \left (1+m \right ) \left (a^{2} x^{2}+1\right )^{2}}+\frac {4 x^{1+m} \left (a^{2}\right )^{\frac {1}{2}+\frac {m}{2}} \left (\frac {1}{16} m^{3}-\frac {3}{16} m^{2}-\frac {1}{16} m +\frac {3}{16}\right ) \Phi \left (-a^{2} x^{2}, 1, \frac {1}{2}+\frac {m}{2}\right )}{1+m}\right )}{4}+\frac {3 i \left (a^{2}\right )^{-\frac {m}{2}} \left (\frac {x^{m} \left (a^{2}\right )^{\frac {m}{2}} \left (a^{2} m \,x^{2}+m -2\right )}{2 \left (a^{2} x^{2}+1\right )^{2}}-\frac {x^{m} \left (a^{2}\right )^{\frac {m}{2}} \left (-2+m \right ) m \Phi \left (-a^{2} x^{2}, 1, \frac {m}{2}\right )}{4}\right )}{2 a}-\frac {15 \left (a^{2}\right )^{-\frac {1}{2}-\frac {m}{2}} \left (\frac {x^{1+m} \left (a^{2}\right )^{\frac {3}{2}+\frac {m}{2}} \left (a^{2} m \,x^{2}+a^{2} x^{2}+m -1\right )}{2 \left (a^{2} x^{2}+1\right )^{2} a^{2}}-\frac {x^{1+m} \left (a^{2}\right )^{\frac {3}{2}+\frac {m}{2}} \left (1+m \right ) \left (-1+m \right ) \Phi \left (-a^{2} x^{2}, 1, \frac {1}{2}+\frac {m}{2}\right )}{4 a^{2}}\right )}{4}-\frac {5 i \left (a^{2}\right )^{-\frac {m}{2}} \left (-\frac {x^{m} \left (a^{2}\right )^{\frac {m}{2}} \left (a^{2} m \,x^{2}+4 a^{2} x^{2}+m +2\right )}{2 \left (a^{2} x^{2}+1\right )^{2}}+\frac {x^{m} \left (a^{2}\right )^{\frac {m}{2}} \left (2+m \right ) m \Phi \left (-a^{2} x^{2}, 1, \frac {m}{2}\right )}{4}\right )}{a}+\frac {15 \left (a^{2}\right )^{-\frac {1}{2}-\frac {m}{2}} \left (-\frac {x^{1+m} \left (a^{2}\right )^{\frac {5}{2}+\frac {m}{2}} \left (a^{2} m \,x^{2}+5 a^{2} x^{2}+m +3\right )}{2 a^{4} \left (a^{2} x^{2}+1\right )^{2}}+\frac {x^{1+m} \left (a^{2}\right )^{\frac {5}{2}+\frac {m}{2}} \left (m^{2}+4 m +3\right ) \Phi \left (-a^{2} x^{2}, 1, \frac {1}{2}+\frac {m}{2}\right )}{4 a^{4}}\right )}{4}+\frac {3 i \left (a^{2}\right )^{-\frac {m}{2}} \left (\frac {x^{m} \left (a^{2}\right )^{\frac {m}{2}} \left (8 a^{4} x^{4}+a^{2} m^{2} x^{2}+8 a^{2} m \,x^{2}+16 a^{2} x^{2}+m^{2}+6 m +8\right )}{2 \left (a^{2} x^{2}+1\right )^{2} m}-\frac {x^{m} \left (a^{2}\right )^{\frac {m}{2}} \left (m^{2}+6 m +8\right ) \Phi \left (-a^{2} x^{2}, 1, \frac {m}{2}\right )}{4}\right )}{2 a}-\frac {\left (a^{2}\right )^{-\frac {1}{2}-\frac {m}{2}} \left (\frac {x^{1+m} \left (a^{2}\right )^{\frac {7}{2}+\frac {m}{2}} \left (8 a^{4} x^{4}+a^{2} m^{2} x^{2}+10 a^{2} m \,x^{2}+25 a^{2} x^{2}+m^{2}+8 m +15\right )}{2 \left (a^{2} x^{2}+1\right )^{2} \left (1+m \right ) a^{6}}-\frac {x^{1+m} \left (a^{2}\right )^{\frac {7}{2}+\frac {m}{2}} \left (m^{2}+8 m +15\right ) \Phi \left (-a^{2} x^{2}, 1, \frac {1}{2}+\frac {m}{2}\right )}{4 a^{6}}\right )}{4} \]
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 \[ \int \frac {{\left (i \, a x + 1\right )}^{6} x^{m}}{{\left (a^{2} x^{2} + 1\right )}^{3}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {x^m\,{\left (1+a\,x\,1{}\mathrm {i}\right )}^6}{{\left (a^2\,x^2+1\right )}^3} \,d x \]
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 \[ - \int \left (- \frac {x^{m}}{a^{6} x^{6} + 3 a^{4} x^{4} + 3 a^{2} x^{2} + 1}\right )\, dx - \int \frac {15 a^{2} x^{2} x^{m}}{a^{6} x^{6} + 3 a^{4} x^{4} + 3 a^{2} x^{2} + 1}\, dx - \int \left (- \frac {15 a^{4} x^{4} x^{m}}{a^{6} x^{6} + 3 a^{4} x^{4} + 3 a^{2} x^{2} + 1}\right )\, dx - \int \frac {a^{6} x^{6} x^{m}}{a^{6} x^{6} + 3 a^{4} x^{4} + 3 a^{2} x^{2} + 1}\, dx - \int \left (- \frac {6 i a x x^{m}}{a^{6} x^{6} + 3 a^{4} x^{4} + 3 a^{2} x^{2} + 1}\right )\, dx - \int \frac {20 i a^{3} x^{3} x^{m}}{a^{6} x^{6} + 3 a^{4} x^{4} + 3 a^{2} x^{2} + 1}\, dx - \int \left (- \frac {6 i a^{5} x^{5} x^{m}}{a^{6} x^{6} + 3 a^{4} x^{4} + 3 a^{2} x^{2} + 1}\right )\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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