Optimal. Leaf size=153 \[ -\frac{45}{128} c^3 x \sqrt{c-a^2 c x^2}-\frac{15}{64} c^2 x \left (c-a^2 c x^2\right )^{3/2}-\frac{45 c^{7/2} \tan ^{-1}\left (\frac{a \sqrt{c} x}{\sqrt{c-a^2 c x^2}}\right )}{128 a}-\frac{3}{16} c x \left (c-a^2 c x^2\right )^{5/2}+\frac{(a x+1) \left (c-a^2 c x^2\right )^{7/2}}{8 a}+\frac{9 \left (c-a^2 c x^2\right )^{7/2}}{56 a} \]
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Rubi [A] time = 0.152873, antiderivative size = 153, normalized size of antiderivative = 1., number of steps used = 9, number of rules used = 7, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.292, Rules used = {6167, 6141, 671, 641, 195, 217, 203} \[ -\frac{45}{128} c^3 x \sqrt{c-a^2 c x^2}-\frac{15}{64} c^2 x \left (c-a^2 c x^2\right )^{3/2}-\frac{45 c^{7/2} \tan ^{-1}\left (\frac{a \sqrt{c} x}{\sqrt{c-a^2 c x^2}}\right )}{128 a}-\frac{3}{16} c x \left (c-a^2 c x^2\right )^{5/2}+\frac{(a x+1) \left (c-a^2 c x^2\right )^{7/2}}{8 a}+\frac{9 \left (c-a^2 c x^2\right )^{7/2}}{56 a} \]
Antiderivative was successfully verified.
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Rule 6167
Rule 6141
Rule 671
Rule 641
Rule 195
Rule 217
Rule 203
Rubi steps
\begin{align*} \int e^{2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^{7/2} \, dx &=-\int e^{2 \tanh ^{-1}(a x)} \left (c-a^2 c x^2\right )^{7/2} \, dx\\ &=-\left (c \int (1+a x)^2 \left (c-a^2 c x^2\right )^{5/2} \, dx\right )\\ &=\frac{(1+a x) \left (c-a^2 c x^2\right )^{7/2}}{8 a}-\frac{1}{8} (9 c) \int (1+a x) \left (c-a^2 c x^2\right )^{5/2} \, dx\\ &=\frac{9 \left (c-a^2 c x^2\right )^{7/2}}{56 a}+\frac{(1+a x) \left (c-a^2 c x^2\right )^{7/2}}{8 a}-\frac{1}{8} (9 c) \int \left (c-a^2 c x^2\right )^{5/2} \, dx\\ &=-\frac{3}{16} c x \left (c-a^2 c x^2\right )^{5/2}+\frac{9 \left (c-a^2 c x^2\right )^{7/2}}{56 a}+\frac{(1+a x) \left (c-a^2 c x^2\right )^{7/2}}{8 a}-\frac{1}{16} \left (15 c^2\right ) \int \left (c-a^2 c x^2\right )^{3/2} \, dx\\ &=-\frac{15}{64} c^2 x \left (c-a^2 c x^2\right )^{3/2}-\frac{3}{16} c x \left (c-a^2 c x^2\right )^{5/2}+\frac{9 \left (c-a^2 c x^2\right )^{7/2}}{56 a}+\frac{(1+a x) \left (c-a^2 c x^2\right )^{7/2}}{8 a}-\frac{1}{64} \left (45 c^3\right ) \int \sqrt{c-a^2 c x^2} \, dx\\ &=-\frac{45}{128} c^3 x \sqrt{c-a^2 c x^2}-\frac{15}{64} c^2 x \left (c-a^2 c x^2\right )^{3/2}-\frac{3}{16} c x \left (c-a^2 c x^2\right )^{5/2}+\frac{9 \left (c-a^2 c x^2\right )^{7/2}}{56 a}+\frac{(1+a x) \left (c-a^2 c x^2\right )^{7/2}}{8 a}-\frac{1}{128} \left (45 c^4\right ) \int \frac{1}{\sqrt{c-a^2 c x^2}} \, dx\\ &=-\frac{45}{128} c^3 x \sqrt{c-a^2 c x^2}-\frac{15}{64} c^2 x \left (c-a^2 c x^2\right )^{3/2}-\frac{3}{16} c x \left (c-a^2 c x^2\right )^{5/2}+\frac{9 \left (c-a^2 c x^2\right )^{7/2}}{56 a}+\frac{(1+a x) \left (c-a^2 c x^2\right )^{7/2}}{8 a}-\frac{1}{128} \left (45 c^4\right ) \operatorname{Subst}\left (\int \frac{1}{1+a^2 c x^2} \, dx,x,\frac{x}{\sqrt{c-a^2 c x^2}}\right )\\ &=-\frac{45}{128} c^3 x \sqrt{c-a^2 c x^2}-\frac{15}{64} c^2 x \left (c-a^2 c x^2\right )^{3/2}-\frac{3}{16} c x \left (c-a^2 c x^2\right )^{5/2}+\frac{9 \left (c-a^2 c x^2\right )^{7/2}}{56 a}+\frac{(1+a x) \left (c-a^2 c x^2\right )^{7/2}}{8 a}-\frac{45 c^{7/2} \tan ^{-1}\left (\frac{a \sqrt{c} x}{\sqrt{c-a^2 c x^2}}\right )}{128 a}\\ \end{align*}
Mathematica [A] time = 0.131442, size = 151, normalized size = 0.99 \[ \frac{c^3 \sqrt{c-a^2 c x^2} \left (\sqrt{a x+1} \left (112 a^8 x^8+144 a^7 x^7-424 a^6 x^6-600 a^5 x^5+558 a^4 x^4+978 a^3 x^3-187 a^2 x^2-837 a x+256\right )+630 \sqrt{1-a x} \sin ^{-1}\left (\frac{\sqrt{1-a x}}{\sqrt{2}}\right )\right )}{896 a \sqrt{1-a x} \sqrt{1-a^2 x^2}} \]
Warning: Unable to verify antiderivative.
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Maple [B] time = 0.052, size = 296, normalized size = 1.9 \begin{align*}{\frac{x}{8} \left ( -{a}^{2}c{x}^{2}+c \right ) ^{{\frac{7}{2}}}}+{\frac{7\,cx}{48} \left ( -{a}^{2}c{x}^{2}+c \right ) ^{{\frac{5}{2}}}}+{\frac{35\,x{c}^{2}}{192} \left ( -{a}^{2}c{x}^{2}+c \right ) ^{{\frac{3}{2}}}}+{\frac{35\,{c}^{3}x}{128}\sqrt{-{a}^{2}c{x}^{2}+c}}+{\frac{35\,{c}^{4}}{128}\arctan \left ({x\sqrt{{a}^{2}c}{\frac{1}{\sqrt{-{a}^{2}c{x}^{2}+c}}}} \right ){\frac{1}{\sqrt{{a}^{2}c}}}}+{\frac{2}{7\,a} \left ( -c{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,ac \left ( x-{a}^{-1} \right ) \right ) ^{{\frac{7}{2}}}}-{\frac{cx}{3} \left ( -c{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,ac \left ( x-{a}^{-1} \right ) \right ) ^{{\frac{5}{2}}}}-{\frac{5\,x{c}^{2}}{12} \left ( -c{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,ac \left ( x-{a}^{-1} \right ) \right ) ^{{\frac{3}{2}}}}-{\frac{5\,{c}^{3}x}{8}\sqrt{-c{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,ac \left ( x-{a}^{-1} \right ) }}-{\frac{5\,{c}^{4}}{8}\arctan \left ({x\sqrt{{a}^{2}c}{\frac{1}{\sqrt{-c{a}^{2} \left ( x-{a}^{-1} \right ) ^{2}-2\,ac \left ( x-{a}^{-1} \right ) }}}} \right ){\frac{1}{\sqrt{{a}^{2}c}}}} \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 = 1.68114, size = 653, normalized size = 4.27 \begin{align*} \left [\frac{315 \, \sqrt{-c} c^{3} \log \left (2 \, a^{2} c x^{2} - 2 \, \sqrt{-a^{2} c x^{2} + c} a \sqrt{-c} x - c\right ) - 2 \,{\left (112 \, a^{7} c^{3} x^{7} + 256 \, a^{6} c^{3} x^{6} - 168 \, a^{5} c^{3} x^{5} - 768 \, a^{4} c^{3} x^{4} - 210 \, a^{3} c^{3} x^{3} + 768 \, a^{2} c^{3} x^{2} + 581 \, a c^{3} x - 256 \, c^{3}\right )} \sqrt{-a^{2} c x^{2} + c}}{1792 \, a}, \frac{315 \, c^{\frac{7}{2}} \arctan \left (\frac{\sqrt{-a^{2} c x^{2} + c} a \sqrt{c} x}{a^{2} c x^{2} - c}\right ) -{\left (112 \, a^{7} c^{3} x^{7} + 256 \, a^{6} c^{3} x^{6} - 168 \, a^{5} c^{3} x^{5} - 768 \, a^{4} c^{3} x^{4} - 210 \, a^{3} c^{3} x^{3} + 768 \, a^{2} c^{3} x^{2} + 581 \, a c^{3} x - 256 \, c^{3}\right )} \sqrt{-a^{2} c x^{2} + c}}{896 \, a}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 34.3969, size = 1091, normalized size = 7.13 \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 = 1.17002, size = 190, normalized size = 1.24 \begin{align*} \frac{45 \, c^{4} \log \left ({\left | -\sqrt{-a^{2} c} x + \sqrt{-a^{2} c x^{2} + c} \right |}\right )}{128 \, \sqrt{-c}{\left | a \right |}} + \frac{1}{896} \, \sqrt{-a^{2} c x^{2} + c}{\left (\frac{256 \, c^{3}}{a} -{\left (581 \, c^{3} + 2 \,{\left (384 \, a c^{3} -{\left (105 \, a^{2} c^{3} + 4 \,{\left (96 \, a^{3} c^{3} +{\left (21 \, a^{4} c^{3} - 2 \,{\left (7 \, a^{6} c^{3} x + 16 \, a^{5} c^{3}\right )} x\right )} x\right )} x\right )} x\right )} x\right )} x\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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