Optimal. Leaf size=31 \[ \frac {\tan ^{-1}\left (\frac {\sqrt {B} e^{2 x}}{\sqrt {A}}\right )}{2 \sqrt {A} \sqrt {B}} \]
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Rubi [A] time = 0.03, antiderivative size = 31, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {2249, 205} \[ \frac {\tan ^{-1}\left (\frac {\sqrt {B} e^{2 x}}{\sqrt {A}}\right )}{2 \sqrt {A} \sqrt {B}} \]
Antiderivative was successfully verified.
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Rule 205
Rule 2249
Rubi steps
\begin {align*} \int \frac {e^{2 x}}{A+B e^{4 x}} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {1}{A+B x^2} \, dx,x,e^{2 x}\right )\\ &=\frac {\tan ^{-1}\left (\frac {\sqrt {B} e^{2 x}}{\sqrt {A}}\right )}{2 \sqrt {A} \sqrt {B}}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 31, normalized size = 1.00 \[ \frac {\tan ^{-1}\left (\frac {\sqrt {B} e^{2 x}}{\sqrt {A}}\right )}{2 \sqrt {A} \sqrt {B}} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.44, size = 76, normalized size = 2.45 \[ \left [-\frac {\sqrt {-A B} \log \left (\frac {B e^{\left (4 \, x\right )} - 2 \, \sqrt {-A B} e^{\left (2 \, x\right )} - A}{B e^{\left (4 \, x\right )} + A}\right )}{4 \, A B}, -\frac {\sqrt {A B} \arctan \left (\frac {\sqrt {A B} e^{\left (-2 \, x\right )}}{B}\right )}{2 \, A B}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.94, size = 19, normalized size = 0.61 \[ \frac {\arctan \left (\frac {B e^{\left (2 \, x\right )}}{\sqrt {A B}}\right )}{2 \, \sqrt {A B}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.02, size = 20, normalized size = 0.65 \[ \frac {\arctan \left (\frac {B \,{\mathrm e}^{2 x}}{\sqrt {A B}}\right )}{2 \sqrt {A B}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.33, size = 19, normalized size = 0.61 \[ \frac {\arctan \left (\frac {B e^{\left (2 \, x\right )}}{\sqrt {A B}}\right )}{2 \, \sqrt {A B}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.23, size = 19, normalized size = 0.61 \[ \frac {\mathrm {atan}\left (\frac {B\,{\mathrm {e}}^{2\,x}}{\sqrt {A\,B}}\right )}{2\,\sqrt {A\,B}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.16, size = 22, normalized size = 0.71 \[ \operatorname {RootSum} {\left (16 z^{2} A B + 1, \left (i \mapsto i \log {\left (4 i A + e^{2 x} \right )} \right )\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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