Optimal. Leaf size=161 \[ \frac{x^6 (d+e x)}{5 e^2 \left (d^2-e^2 x^2\right )^{5/2}}-\frac{x^4 (6 d+7 e x)}{15 e^4 \left (d^2-e^2 x^2\right )^{3/2}}+\frac{x^2 (24 d+35 e x)}{15 e^6 \sqrt{d^2-e^2 x^2}}+\frac{(32 d+35 e x) \sqrt{d^2-e^2 x^2}}{10 e^8}-\frac{7 d^2 \tan ^{-1}\left (\frac{e x}{\sqrt{d^2-e^2 x^2}}\right )}{2 e^8} \]
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Rubi [A] time = 0.139297, antiderivative size = 161, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 4, integrand size = 25, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.16, Rules used = {819, 780, 217, 203} \[ \frac{x^6 (d+e x)}{5 e^2 \left (d^2-e^2 x^2\right )^{5/2}}-\frac{x^4 (6 d+7 e x)}{15 e^4 \left (d^2-e^2 x^2\right )^{3/2}}+\frac{x^2 (24 d+35 e x)}{15 e^6 \sqrt{d^2-e^2 x^2}}+\frac{(32 d+35 e x) \sqrt{d^2-e^2 x^2}}{10 e^8}-\frac{7 d^2 \tan ^{-1}\left (\frac{e x}{\sqrt{d^2-e^2 x^2}}\right )}{2 e^8} \]
Antiderivative was successfully verified.
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Rule 819
Rule 780
Rule 217
Rule 203
Rubi steps
\begin{align*} \int \frac{x^7 (d+e x)}{\left (d^2-e^2 x^2\right )^{7/2}} \, dx &=\frac{x^6 (d+e x)}{5 e^2 \left (d^2-e^2 x^2\right )^{5/2}}-\frac{\int \frac{x^5 \left (6 d^3+7 d^2 e x\right )}{\left (d^2-e^2 x^2\right )^{5/2}} \, dx}{5 d^2 e^2}\\ &=\frac{x^6 (d+e x)}{5 e^2 \left (d^2-e^2 x^2\right )^{5/2}}-\frac{x^4 (6 d+7 e x)}{15 e^4 \left (d^2-e^2 x^2\right )^{3/2}}+\frac{\int \frac{x^3 \left (24 d^5+35 d^4 e x\right )}{\left (d^2-e^2 x^2\right )^{3/2}} \, dx}{15 d^4 e^4}\\ &=\frac{x^6 (d+e x)}{5 e^2 \left (d^2-e^2 x^2\right )^{5/2}}-\frac{x^4 (6 d+7 e x)}{15 e^4 \left (d^2-e^2 x^2\right )^{3/2}}+\frac{x^2 (24 d+35 e x)}{15 e^6 \sqrt{d^2-e^2 x^2}}-\frac{\int \frac{x \left (48 d^7+105 d^6 e x\right )}{\sqrt{d^2-e^2 x^2}} \, dx}{15 d^6 e^6}\\ &=\frac{x^6 (d+e x)}{5 e^2 \left (d^2-e^2 x^2\right )^{5/2}}-\frac{x^4 (6 d+7 e x)}{15 e^4 \left (d^2-e^2 x^2\right )^{3/2}}+\frac{x^2 (24 d+35 e x)}{15 e^6 \sqrt{d^2-e^2 x^2}}+\frac{(32 d+35 e x) \sqrt{d^2-e^2 x^2}}{10 e^8}-\frac{\left (7 d^2\right ) \int \frac{1}{\sqrt{d^2-e^2 x^2}} \, dx}{2 e^7}\\ &=\frac{x^6 (d+e x)}{5 e^2 \left (d^2-e^2 x^2\right )^{5/2}}-\frac{x^4 (6 d+7 e x)}{15 e^4 \left (d^2-e^2 x^2\right )^{3/2}}+\frac{x^2 (24 d+35 e x)}{15 e^6 \sqrt{d^2-e^2 x^2}}+\frac{(32 d+35 e x) \sqrt{d^2-e^2 x^2}}{10 e^8}-\frac{\left (7 d^2\right ) \operatorname{Subst}\left (\int \frac{1}{1+e^2 x^2} \, dx,x,\frac{x}{\sqrt{d^2-e^2 x^2}}\right )}{2 e^7}\\ &=\frac{x^6 (d+e x)}{5 e^2 \left (d^2-e^2 x^2\right )^{5/2}}-\frac{x^4 (6 d+7 e x)}{15 e^4 \left (d^2-e^2 x^2\right )^{3/2}}+\frac{x^2 (24 d+35 e x)}{15 e^6 \sqrt{d^2-e^2 x^2}}+\frac{(32 d+35 e x) \sqrt{d^2-e^2 x^2}}{10 e^8}-\frac{7 d^2 \tan ^{-1}\left (\frac{e x}{\sqrt{d^2-e^2 x^2}}\right )}{2 e^8}\\ \end{align*}
Mathematica [A] time = 0.109221, size = 155, normalized size = 0.96 \[ \frac{-249 d^4 e^2 x^2+4 d^3 e^3 x^3+176 d^2 e^4 x^4-105 d^2 (d-e x)^2 (d+e x) \sqrt{d^2-e^2 x^2} \tan ^{-1}\left (\frac{e x}{\sqrt{d^2-e^2 x^2}}\right )+9 d^5 e x+96 d^6-15 d e^5 x^5-15 e^6 x^6}{30 e^8 (d-e x)^2 (d+e x) \sqrt{d^2-e^2 x^2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.117, size = 227, normalized size = 1.4 \begin{align*} -{\frac{{x}^{7}}{2\,e} \left ( -{x}^{2}{e}^{2}+{d}^{2} \right ) ^{-{\frac{5}{2}}}}+{\frac{7\,{d}^{2}{x}^{5}}{10\,{e}^{3}} \left ( -{x}^{2}{e}^{2}+{d}^{2} \right ) ^{-{\frac{5}{2}}}}-{\frac{7\,{d}^{2}{x}^{3}}{6\,{e}^{5}} \left ( -{x}^{2}{e}^{2}+{d}^{2} \right ) ^{-{\frac{3}{2}}}}+{\frac{7\,{d}^{2}x}{2\,{e}^{7}}{\frac{1}{\sqrt{-{x}^{2}{e}^{2}+{d}^{2}}}}}-{\frac{7\,{d}^{2}}{2\,{e}^{7}}\arctan \left ({x\sqrt{{e}^{2}}{\frac{1}{\sqrt{-{x}^{2}{e}^{2}+{d}^{2}}}}} \right ){\frac{1}{\sqrt{{e}^{2}}}}}-{\frac{d{x}^{6}}{{e}^{2}} \left ( -{x}^{2}{e}^{2}+{d}^{2} \right ) ^{-{\frac{5}{2}}}}+6\,{\frac{{d}^{3}{x}^{4}}{{e}^{4} \left ( -{x}^{2}{e}^{2}+{d}^{2} \right ) ^{5/2}}}-8\,{\frac{{d}^{5}{x}^{2}}{{e}^{6} \left ( -{x}^{2}{e}^{2}+{d}^{2} \right ) ^{5/2}}}+{\frac{16\,{d}^{7}}{5\,{e}^{8}} \left ( -{x}^{2}{e}^{2}+{d}^{2} \right ) ^{-{\frac{5}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.48889, size = 439, normalized size = 2.73 \begin{align*} -\frac{x^{7}}{2 \,{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{5}{2}} e} + \frac{7 \, d^{2} x{\left (\frac{15 \, x^{4}}{{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{5}{2}} e^{2}} - \frac{20 \, d^{2} x^{2}}{{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{5}{2}} e^{4}} + \frac{8 \, d^{4}}{{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{5}{2}} e^{6}}\right )}}{30 \, e} - \frac{d x^{6}}{{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{5}{2}} e^{2}} - \frac{7 \, d^{2} x{\left (\frac{3 \, x^{2}}{{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{3}{2}} e^{2}} - \frac{2 \, d^{2}}{{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{3}{2}} e^{4}}\right )}}{6 \, e^{3}} + \frac{6 \, d^{3} x^{4}}{{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{5}{2}} e^{4}} - \frac{8 \, d^{5} x^{2}}{{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{5}{2}} e^{6}} + \frac{16 \, d^{7}}{5 \,{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{5}{2}} e^{8}} + \frac{14 \, d^{4} x}{15 \,{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac{3}{2}} e^{7}} - \frac{49 \, d^{2} x}{30 \, \sqrt{-e^{2} x^{2} + d^{2}} e^{7}} - \frac{7 \, d^{2} \arcsin \left (\frac{e^{2} x}{\sqrt{d^{2} e^{2}}}\right )}{2 \, \sqrt{e^{2}} e^{7}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.67781, size = 575, normalized size = 3.57 \begin{align*} \frac{96 \, d^{2} e^{5} x^{5} - 96 \, d^{3} e^{4} x^{4} - 192 \, d^{4} e^{3} x^{3} + 192 \, d^{5} e^{2} x^{2} + 96 \, d^{6} e x - 96 \, d^{7} + 210 \,{\left (d^{2} e^{5} x^{5} - d^{3} e^{4} x^{4} - 2 \, d^{4} e^{3} x^{3} + 2 \, d^{5} e^{2} x^{2} + d^{6} e x - d^{7}\right )} \arctan \left (-\frac{d - \sqrt{-e^{2} x^{2} + d^{2}}}{e x}\right ) +{\left (15 \, e^{6} x^{6} + 15 \, d e^{5} x^{5} - 176 \, d^{2} e^{4} x^{4} - 4 \, d^{3} e^{3} x^{3} + 249 \, d^{4} e^{2} x^{2} - 9 \, d^{5} e x - 96 \, d^{6}\right )} \sqrt{-e^{2} x^{2} + d^{2}}}{30 \,{\left (e^{13} x^{5} - d e^{12} x^{4} - 2 \, d^{2} e^{11} x^{3} + 2 \, d^{3} e^{10} x^{2} + d^{4} e^{9} x - d^{5} e^{8}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 48.8218, size = 2006, normalized size = 12.46 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.18818, size = 162, normalized size = 1.01 \begin{align*} -\frac{7}{2} \, d^{2} \arcsin \left (\frac{x e}{d}\right ) e^{\left (-8\right )} \mathrm{sgn}\left (d\right ) - \frac{{\left (96 \, d^{7} e^{\left (-8\right )} +{\left (105 \, d^{6} e^{\left (-7\right )} -{\left (240 \, d^{5} e^{\left (-6\right )} +{\left (245 \, d^{4} e^{\left (-5\right )} -{\left (180 \, d^{3} e^{\left (-4\right )} +{\left (161 \, d^{2} e^{\left (-3\right )} - 15 \,{\left (x e^{\left (-1\right )} + 2 \, d e^{\left (-2\right )}\right )} x\right )} x\right )} x\right )} x\right )} x\right )} x\right )} \sqrt{-x^{2} e^{2} + d^{2}}}{30 \,{\left (x^{2} e^{2} - d^{2}\right )}^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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