Optimal. Leaf size=120 \[ \frac{4 d-3 e x}{3 d^4 x \sqrt{d^2-e^2 x^2}}-\frac{8 \sqrt{d^2-e^2 x^2}}{3 d^5 x}+\frac{1}{3 d^2 x (d+e x) \sqrt{d^2-e^2 x^2}}+\frac{e \tanh ^{-1}\left (\frac{\sqrt{d^2-e^2 x^2}}{d}\right )}{d^5} \]
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Rubi [A] time = 0.102529, antiderivative size = 120, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 6, integrand size = 27, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.222, Rules used = {857, 823, 807, 266, 63, 208} \[ \frac{4 d-3 e x}{3 d^4 x \sqrt{d^2-e^2 x^2}}-\frac{8 \sqrt{d^2-e^2 x^2}}{3 d^5 x}+\frac{1}{3 d^2 x (d+e x) \sqrt{d^2-e^2 x^2}}+\frac{e \tanh ^{-1}\left (\frac{\sqrt{d^2-e^2 x^2}}{d}\right )}{d^5} \]
Antiderivative was successfully verified.
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Rule 857
Rule 823
Rule 807
Rule 266
Rule 63
Rule 208
Rubi steps
\begin{align*} \int \frac{1}{x^2 (d+e x) \left (d^2-e^2 x^2\right )^{3/2}} \, dx &=\frac{1}{3 d^2 x (d+e x) \sqrt{d^2-e^2 x^2}}-\frac{\int \frac{-4 d e^2+3 e^3 x}{x^2 \left (d^2-e^2 x^2\right )^{3/2}} \, dx}{3 d^2 e^2}\\ &=\frac{4 d-3 e x}{3 d^4 x \sqrt{d^2-e^2 x^2}}+\frac{1}{3 d^2 x (d+e x) \sqrt{d^2-e^2 x^2}}-\frac{\int \frac{-8 d^3 e^4+3 d^2 e^5 x}{x^2 \sqrt{d^2-e^2 x^2}} \, dx}{3 d^6 e^4}\\ &=\frac{4 d-3 e x}{3 d^4 x \sqrt{d^2-e^2 x^2}}+\frac{1}{3 d^2 x (d+e x) \sqrt{d^2-e^2 x^2}}-\frac{8 \sqrt{d^2-e^2 x^2}}{3 d^5 x}-\frac{e \int \frac{1}{x \sqrt{d^2-e^2 x^2}} \, dx}{d^4}\\ &=\frac{4 d-3 e x}{3 d^4 x \sqrt{d^2-e^2 x^2}}+\frac{1}{3 d^2 x (d+e x) \sqrt{d^2-e^2 x^2}}-\frac{8 \sqrt{d^2-e^2 x^2}}{3 d^5 x}-\frac{e \operatorname{Subst}\left (\int \frac{1}{x \sqrt{d^2-e^2 x}} \, dx,x,x^2\right )}{2 d^4}\\ &=\frac{4 d-3 e x}{3 d^4 x \sqrt{d^2-e^2 x^2}}+\frac{1}{3 d^2 x (d+e x) \sqrt{d^2-e^2 x^2}}-\frac{8 \sqrt{d^2-e^2 x^2}}{3 d^5 x}+\frac{\operatorname{Subst}\left (\int \frac{1}{\frac{d^2}{e^2}-\frac{x^2}{e^2}} \, dx,x,\sqrt{d^2-e^2 x^2}\right )}{d^4 e}\\ &=\frac{4 d-3 e x}{3 d^4 x \sqrt{d^2-e^2 x^2}}+\frac{1}{3 d^2 x (d+e x) \sqrt{d^2-e^2 x^2}}-\frac{8 \sqrt{d^2-e^2 x^2}}{3 d^5 x}+\frac{e \tanh ^{-1}\left (\frac{\sqrt{d^2-e^2 x^2}}{d}\right )}{d^5}\\ \end{align*}
Mathematica [A] time = 0.125512, size = 101, normalized size = 0.84 \[ \frac{\frac{\sqrt{d^2-e^2 x^2} \left (7 d^2 e x+3 d^3-5 d e^2 x^2-8 e^3 x^3\right )}{x (e x-d) (d+e x)^2}+3 e \log \left (\sqrt{d^2-e^2 x^2}+d\right )-3 e \log (x)}{3 d^5} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.062, size = 188, normalized size = 1.6 \begin{align*} -{\frac{e}{{d}^{4}}{\frac{1}{\sqrt{-{x}^{2}{e}^{2}+{d}^{2}}}}}+{\frac{e}{{d}^{4}}\ln \left ({\frac{1}{x} \left ( 2\,{d}^{2}+2\,\sqrt{{d}^{2}}\sqrt{-{x}^{2}{e}^{2}+{d}^{2}} \right ) } \right ){\frac{1}{\sqrt{{d}^{2}}}}}-{\frac{1}{3\,{d}^{3}} \left ({\frac{d}{e}}+x \right ) ^{-1}{\frac{1}{\sqrt{- \left ({\frac{d}{e}}+x \right ) ^{2}{e}^{2}+2\,de \left ({\frac{d}{e}}+x \right ) }}}}+{\frac{2\,{e}^{2}x}{3\,{d}^{5}}{\frac{1}{\sqrt{- \left ({\frac{d}{e}}+x \right ) ^{2}{e}^{2}+2\,de \left ({\frac{d}{e}}+x \right ) }}}}-{\frac{1}{{d}^{3}x}{\frac{1}{\sqrt{-{x}^{2}{e}^{2}+{d}^{2}}}}}+2\,{\frac{{e}^{2}x}{{d}^{5}\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] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{3}{2}}{\left (e x + d\right )} x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.60876, size = 354, normalized size = 2.95 \begin{align*} -\frac{4 \, e^{4} x^{4} + 4 \, d e^{3} x^{3} - 4 \, d^{2} e^{2} x^{2} - 4 \, d^{3} e x + 3 \,{\left (e^{4} x^{4} + d e^{3} x^{3} - d^{2} e^{2} x^{2} - d^{3} e x\right )} \log \left (-\frac{d - \sqrt{-e^{2} x^{2} + d^{2}}}{x}\right ) +{\left (8 \, e^{3} x^{3} + 5 \, d e^{2} x^{2} - 7 \, d^{2} e x - 3 \, d^{3}\right )} \sqrt{-e^{2} x^{2} + d^{2}}}{3 \,{\left (d^{5} e^{3} x^{4} + d^{6} e^{2} x^{3} - d^{7} e x^{2} - d^{8} x\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{1}{x^{2} \left (- \left (- d + e x\right ) \left (d + e x\right )\right )^{\frac{3}{2}} \left (d + e x\right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.22125, size = 1, normalized size = 0.01 \begin{align*} +\infty \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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