Optimal. Leaf size=113 \[ \frac {x^3 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {x (3 d-4 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}}+\frac {8 \sqrt {d^2-e^2 x^2}}{3 e^5}+\frac {d \tan ^{-1}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{e^5} \]
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Rubi [A]
time = 0.06, antiderivative size = 113, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 5, integrand size = 27, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.185, Rules used = {864, 833, 655,
223, 209} \begin {gather*} \frac {d \text {ArcTan}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{e^5}+\frac {x^3 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}+\frac {8 \sqrt {d^2-e^2 x^2}}{3 e^5}-\frac {x (3 d-4 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 209
Rule 223
Rule 655
Rule 833
Rule 864
Rubi steps
\begin {align*} \int \frac {x^4}{(d+e x) \left (d^2-e^2 x^2\right )^{3/2}} \, dx &=\int \frac {x^4 (d-e x)}{\left (d^2-e^2 x^2\right )^{5/2}} \, dx\\ &=\frac {x^3 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {\int \frac {x^2 \left (3 d^3-4 d^2 e x\right )}{\left (d^2-e^2 x^2\right )^{3/2}} \, dx}{3 d^2 e^2}\\ &=\frac {x^3 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {x (3 d-4 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}}+\frac {\int \frac {3 d^5-8 d^4 e x}{\sqrt {d^2-e^2 x^2}} \, dx}{3 d^4 e^4}\\ &=\frac {x^3 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {x (3 d-4 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}}+\frac {8 \sqrt {d^2-e^2 x^2}}{3 e^5}+\frac {d \int \frac {1}{\sqrt {d^2-e^2 x^2}} \, dx}{e^4}\\ &=\frac {x^3 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {x (3 d-4 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}}+\frac {8 \sqrt {d^2-e^2 x^2}}{3 e^5}+\frac {d \text {Subst}\left (\int \frac {1}{1+e^2 x^2} \, dx,x,\frac {x}{\sqrt {d^2-e^2 x^2}}\right )}{e^4}\\ &=\frac {x^3 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {x (3 d-4 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}}+\frac {8 \sqrt {d^2-e^2 x^2}}{3 e^5}+\frac {d \tan ^{-1}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{e^5}\\ \end {align*}
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Mathematica [A]
time = 0.32, size = 114, normalized size = 1.01 \begin {gather*} \frac {\sqrt {d^2-e^2 x^2} \left (-8 d^3-5 d^2 e x+7 d e^2 x^2+3 e^3 x^3\right )}{3 e^5 (-d+e x) (d+e x)^2}+\frac {d \sqrt {-e^2} \log \left (-\sqrt {-e^2} x+\sqrt {d^2-e^2 x^2}\right )}{e^6} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(256\) vs.
\(2(99)=198\).
time = 0.08, size = 257, normalized size = 2.27
method | result | size |
risch | \(\frac {\sqrt {-e^{2} x^{2}+d^{2}}}{e^{5}}+\frac {d \arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right )}{e^{4} \sqrt {e^{2}}}+\frac {19 d \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}{12 e^{6} \left (x +\frac {d}{e}\right )}-\frac {d \sqrt {-\left (x -\frac {d}{e}\right )^{2} e^{2}-2 d \left (x -\frac {d}{e}\right ) e}}{4 e^{6} \left (x -\frac {d}{e}\right )}-\frac {d^{2} \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}{6 e^{7} \left (x +\frac {d}{e}\right )^{2}}\) | \(186\) |
default | \(\frac {-\frac {x^{2}}{e^{2} \sqrt {-e^{2} x^{2}+d^{2}}}+\frac {2 d^{2}}{e^{4} \sqrt {-e^{2} x^{2}+d^{2}}}}{e}-\frac {d \left (\frac {x}{e^{2} \sqrt {-e^{2} x^{2}+d^{2}}}-\frac {\arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right )}{e^{2} \sqrt {e^{2}}}\right )}{e^{2}}+\frac {d^{2}}{e^{5} \sqrt {-e^{2} x^{2}+d^{2}}}-\frac {d x}{e^{4} \sqrt {-e^{2} x^{2}+d^{2}}}+\frac {d^{4} \left (-\frac {1}{3 d e \left (x +\frac {d}{e}\right ) \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}-\frac {-2 e^{2} \left (x +\frac {d}{e}\right )+2 d e}{3 e \,d^{3} \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}\right )}{e^{5}}\) | \(257\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.49, size = 114, normalized size = 1.01 \begin {gather*} d \arcsin \left (\frac {x e}{d}\right ) e^{\left (-5\right )} - \frac {x^{2} e^{\left (-3\right )}}{\sqrt {-x^{2} e^{2} + d^{2}}} - \frac {4 \, d x e^{\left (-4\right )}}{3 \, \sqrt {-x^{2} e^{2} + d^{2}}} + \frac {3 \, d^{2} e^{\left (-5\right )}}{\sqrt {-x^{2} e^{2} + d^{2}}} - \frac {d^{3}}{3 \, {\left (\sqrt {-x^{2} e^{2} + d^{2}} x e^{6} + \sqrt {-x^{2} e^{2} + d^{2}} d e^{5}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 2.33, size = 165, normalized size = 1.46 \begin {gather*} \frac {8 \, d x^{3} e^{3} + 8 \, d^{2} x^{2} e^{2} - 8 \, d^{3} x e - 8 \, d^{4} - 6 \, {\left (d x^{3} e^{3} + d^{2} x^{2} e^{2} - d^{3} x e - d^{4}\right )} \arctan \left (-\frac {{\left (d - \sqrt {-x^{2} e^{2} + d^{2}}\right )} e^{\left (-1\right )}}{x}\right ) + {\left (3 \, x^{3} e^{3} + 7 \, d x^{2} e^{2} - 5 \, d^{2} x e - 8 \, d^{3}\right )} \sqrt {-x^{2} e^{2} + d^{2}}}{3 \, {\left (x^{3} e^{8} + d x^{2} e^{7} - d^{2} x e^{6} - d^{3} e^{5}\right )}} \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*} \int \frac {x^{4}}{\left (- \left (- d + e x\right ) \left (d + e x\right )\right )^{\frac {3}{2}} \left (d + e x\right )}\, dx \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 = -0.01 \begin {gather*} \int \frac {x^4}{{\left (d^2-e^2\,x^2\right )}^{3/2}\,\left (d+e\,x\right )} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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