Optimal. Leaf size=46 \[ \frac {\sqrt {d^2-e^2 x^2}}{e}+\frac {d \tan ^{-1}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{e} \]
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Rubi [A] time = 0.02, antiderivative size = 46, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {665, 217, 203} \[ \frac {\sqrt {d^2-e^2 x^2}}{e}+\frac {d \tan ^{-1}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{e} \]
Antiderivative was successfully verified.
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Rule 203
Rule 217
Rule 665
Rubi steps
\begin {align*} \int \frac {\sqrt {d^2-e^2 x^2}}{d+e x} \, dx &=\frac {\sqrt {d^2-e^2 x^2}}{e}+d \int \frac {1}{\sqrt {d^2-e^2 x^2}} \, dx\\ &=\frac {\sqrt {d^2-e^2 x^2}}{e}+d \operatorname {Subst}\left (\int \frac {1}{1+e^2 x^2} \, dx,x,\frac {x}{\sqrt {d^2-e^2 x^2}}\right )\\ &=\frac {\sqrt {d^2-e^2 x^2}}{e}+\frac {d \tan ^{-1}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{e}\\ \end {align*}
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Mathematica [A] time = 0.02, size = 43, normalized size = 0.93 \[ \frac {\sqrt {d^2-e^2 x^2}+d \tan ^{-1}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{e} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.89, size = 52, normalized size = 1.13 \[ -\frac {2 \, d \arctan \left (-\frac {d - \sqrt {-e^{2} x^{2} + d^{2}}}{e x}\right ) - \sqrt {-e^{2} x^{2} + d^{2}}}{e} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.21, size = 31, normalized size = 0.67 \[ d \arcsin \left (\frac {x e}{d}\right ) e^{\left (-1\right )} \mathrm {sgn}\relax (d) + \sqrt {-x^{2} e^{2} + d^{2}} e^{\left (-1\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 77, normalized size = 1.67 \[ \frac {d \arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {2 \left (x +\frac {d}{e}\right ) d e -\left (x +\frac {d}{e}\right )^{2} e^{2}}}\right )}{\sqrt {e^{2}}}+\frac {\sqrt {2 \left (x +\frac {d}{e}\right ) d e -\left (x +\frac {d}{e}\right )^{2} e^{2}}}{e} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.97, size = 31, normalized size = 0.67 \[ \frac {d \arcsin \left (\frac {e x}{d}\right )}{e} + \frac {\sqrt {-e^{2} x^{2} + d^{2}}}{e} \]
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 \[ \int \frac {\sqrt {d^2-e^2\,x^2}}{d+e\,x} \,d x \]
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 \[ \int \frac {\sqrt {- \left (- d + e x\right ) \left (d + e x\right )}}{d + e x}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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