Optimal. Leaf size=67 \[ -\frac{\left (d^2-e^2 x^2\right )^{3/2}}{15 d^2 e (d+e x)^3}-\frac{\left (d^2-e^2 x^2\right )^{3/2}}{5 d e (d+e x)^4} \]
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Rubi [A] time = 0.0236743, antiderivative size = 67, normalized size of antiderivative = 1., 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 = {659, 651} \[ -\frac{\left (d^2-e^2 x^2\right )^{3/2}}{15 d^2 e (d+e x)^3}-\frac{\left (d^2-e^2 x^2\right )^{3/2}}{5 d e (d+e x)^4} \]
Antiderivative was successfully verified.
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Rule 659
Rule 651
Rubi steps
\begin{align*} \int \frac{\sqrt{d^2-e^2 x^2}}{(d+e x)^4} \, dx &=-\frac{\left (d^2-e^2 x^2\right )^{3/2}}{5 d e (d+e x)^4}+\frac{\int \frac{\sqrt{d^2-e^2 x^2}}{(d+e x)^3} \, dx}{5 d}\\ &=-\frac{\left (d^2-e^2 x^2\right )^{3/2}}{5 d e (d+e x)^4}-\frac{\left (d^2-e^2 x^2\right )^{3/2}}{15 d^2 e (d+e x)^3}\\ \end{align*}
Mathematica [A] time = 0.0297135, size = 51, normalized size = 0.76 \[ \frac{\sqrt{d^2-e^2 x^2} \left (-4 d^2+3 d e x+e^2 x^2\right )}{15 d^2 e (d+e x)^3} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.045, size = 43, normalized size = 0.6 \begin{align*} -{\frac{ \left ( ex+4\,d \right ) \left ( -ex+d \right ) }{15\, \left ( ex+d \right ) ^{3}{d}^{2}e}\sqrt{-{x}^{2}{e}^{2}+{d}^{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.69081, size = 213, normalized size = 3.18 \begin{align*} -\frac{4 \, e^{3} x^{3} + 12 \, d e^{2} x^{2} + 12 \, d^{2} e x + 4 \, d^{3} -{\left (e^{2} x^{2} + 3 \, d e x - 4 \, d^{2}\right )} \sqrt{-e^{2} x^{2} + d^{2}}}{15 \,{\left (d^{2} e^{4} x^{3} + 3 \, d^{3} e^{3} x^{2} + 3 \, d^{4} e^{2} x + d^{5} e\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sqrt{- \left (- d + e x\right ) \left (d + e x\right )}}{\left (d + e x\right )^{4}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: NotImplementedError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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