Optimal. Leaf size=51 \[ \frac {x^{1+m} F_1\left (1+m;1-\frac {i n}{2},1+\frac {i n}{2};2+m;i a x,-i a x\right )}{c (1+m)} \]
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Rubi [A]
time = 0.07, antiderivative size = 51, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {5190, 138}
\begin {gather*} \frac {x^{m+1} F_1\left (m+1;1-\frac {i n}{2},\frac {i n}{2}+1;m+2;i a x,-i a x\right )}{c (m+1)} \end {gather*}
Antiderivative was successfully verified.
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Rule 138
Rule 5190
Rubi steps
\begin {align*} \int \frac {e^{n \tan ^{-1}(a x)} x^m}{c+a^2 c x^2} \, dx &=\frac {\int x^m (1-i a x)^{-1+\frac {i n}{2}} (1+i a x)^{-1-\frac {i n}{2}} \, dx}{c}\\ &=\frac {x^{1+m} F_1\left (1+m;1-\frac {i n}{2},1+\frac {i n}{2};2+m;i a x,-i a x\right )}{c (1+m)}\\ \end {align*}
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Mathematica [A]
time = 0.12, size = 96, normalized size = 1.88 \begin {gather*} \frac {e^{n \text {ArcTan}(a x)} \left (1-e^{2 i \text {ArcTan}(a x)}\right )^{-m} \left (1+e^{2 i \text {ArcTan}(a x)}\right )^m x^m F_1\left (-\frac {i n}{2};m,-m;1-\frac {i n}{2};-e^{2 i \text {ArcTan}(a x)},e^{2 i \text {ArcTan}(a x)}\right )}{a c n} \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [F]
time = 0.01, size = 0, normalized size = 0.00 \[\int \frac {{\mathrm e}^{n \arctan \left (a x \right )} x^{m}}{a^{2} c \,x^{2}+c}\, dx\]
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*} \frac {\int \frac {x^{m} e^{n \operatorname {atan}{\left (a x \right )}}}{a^{2} x^{2} + 1}\, dx}{c} \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 = -0.02 \begin {gather*} \int \frac {x^m\,{\mathrm {e}}^{n\,\mathrm {atan}\left (a\,x\right )}}{c\,a^2\,x^2+c} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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