Optimal. Leaf size=210 \[ -\frac{2}{15 a c^3 \sqrt{1-a^2 x^2} \sqrt{c-a^2 c x^2}}-\frac{1}{20 a c^3 \left (1-a^2 x^2\right )^{3/2} \sqrt{c-a^2 c x^2}}+\frac{4 \sqrt{1-a^2 x^2} \log \left (1-a^2 x^2\right )}{15 a c^3 \sqrt{c-a^2 c x^2}}+\frac{8 x \sin ^{-1}(a x)}{15 c^3 \sqrt{c-a^2 c x^2}}+\frac{4 x \sin ^{-1}(a x)}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac{x \sin ^{-1}(a x)}{5 c \left (c-a^2 c x^2\right )^{5/2}} \]
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Rubi [A] time = 0.115313, antiderivative size = 210, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 4, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2, Rules used = {4655, 4653, 260, 261} \[ -\frac{2}{15 a c^3 \sqrt{1-a^2 x^2} \sqrt{c-a^2 c x^2}}-\frac{1}{20 a c^3 \left (1-a^2 x^2\right )^{3/2} \sqrt{c-a^2 c x^2}}+\frac{4 \sqrt{1-a^2 x^2} \log \left (1-a^2 x^2\right )}{15 a c^3 \sqrt{c-a^2 c x^2}}+\frac{8 x \sin ^{-1}(a x)}{15 c^3 \sqrt{c-a^2 c x^2}}+\frac{4 x \sin ^{-1}(a x)}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac{x \sin ^{-1}(a x)}{5 c \left (c-a^2 c x^2\right )^{5/2}} \]
Antiderivative was successfully verified.
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Rule 4655
Rule 4653
Rule 260
Rule 261
Rubi steps
\begin{align*} \int \frac{\sin ^{-1}(a x)}{\left (c-a^2 c x^2\right )^{7/2}} \, dx &=\frac{x \sin ^{-1}(a x)}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac{4 \int \frac{\sin ^{-1}(a x)}{\left (c-a^2 c x^2\right )^{5/2}} \, dx}{5 c}-\frac{\left (a \sqrt{1-a^2 x^2}\right ) \int \frac{x}{\left (1-a^2 x^2\right )^3} \, dx}{5 c^3 \sqrt{c-a^2 c x^2}}\\ &=-\frac{1}{20 a c^3 \left (1-a^2 x^2\right )^{3/2} \sqrt{c-a^2 c x^2}}+\frac{x \sin ^{-1}(a x)}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac{4 x \sin ^{-1}(a x)}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac{8 \int \frac{\sin ^{-1}(a x)}{\left (c-a^2 c x^2\right )^{3/2}} \, dx}{15 c^2}-\frac{\left (4 a \sqrt{1-a^2 x^2}\right ) \int \frac{x}{\left (1-a^2 x^2\right )^2} \, dx}{15 c^3 \sqrt{c-a^2 c x^2}}\\ &=-\frac{1}{20 a c^3 \left (1-a^2 x^2\right )^{3/2} \sqrt{c-a^2 c x^2}}-\frac{2}{15 a c^3 \sqrt{1-a^2 x^2} \sqrt{c-a^2 c x^2}}+\frac{x \sin ^{-1}(a x)}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac{4 x \sin ^{-1}(a x)}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac{8 x \sin ^{-1}(a x)}{15 c^3 \sqrt{c-a^2 c x^2}}-\frac{\left (8 a \sqrt{1-a^2 x^2}\right ) \int \frac{x}{1-a^2 x^2} \, dx}{15 c^3 \sqrt{c-a^2 c x^2}}\\ &=-\frac{1}{20 a c^3 \left (1-a^2 x^2\right )^{3/2} \sqrt{c-a^2 c x^2}}-\frac{2}{15 a c^3 \sqrt{1-a^2 x^2} \sqrt{c-a^2 c x^2}}+\frac{x \sin ^{-1}(a x)}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac{4 x \sin ^{-1}(a x)}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac{8 x \sin ^{-1}(a x)}{15 c^3 \sqrt{c-a^2 c x^2}}+\frac{4 \sqrt{1-a^2 x^2} \log \left (1-a^2 x^2\right )}{15 a c^3 \sqrt{c-a^2 c x^2}}\\ \end{align*}
Mathematica [A] time = 0.216464, size = 111, normalized size = 0.53 \[ -\frac{\sqrt{c-a^2 c x^2} \left (\sqrt{1-a^2 x^2} \left (8 a^2 x^2+16 \left (a^2 x^2-1\right )^2 \log \left (a^2 x^2-1\right )-11\right )+4 a x \left (8 a^4 x^4-20 a^2 x^2+15\right ) \sin ^{-1}(a x)\right )}{60 a c^4 \left (a^2 x^2-1\right )^3} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.217, size = 409, normalized size = 2. \begin{align*}{\frac{{\frac{16\,i}{15}}\arcsin \left ( ax \right ) }{a{c}^{4} \left ({a}^{2}{x}^{2}-1 \right ) }\sqrt{-c \left ({a}^{2}{x}^{2}-1 \right ) }\sqrt{-{a}^{2}{x}^{2}+1}}-{\frac{1}{60\,{c}^{4} \left ( 40\,{a}^{10}{x}^{10}-215\,{x}^{8}{a}^{8}+469\,{a}^{6}{x}^{6}-517\,{a}^{4}{x}^{4}+287\,{a}^{2}{x}^{2}-64 \right ) a}\sqrt{-c \left ({a}^{2}{x}^{2}-1 \right ) } \left ( 8\,{a}^{5}{x}^{5}-20\,{a}^{3}{x}^{3}+8\,i\sqrt{-{a}^{2}{x}^{2}+1}{x}^{4}{a}^{4}+15\,ax-16\,i\sqrt{-{a}^{2}{x}^{2}+1}{x}^{2}{a}^{2}+8\,i\sqrt{-{a}^{2}{x}^{2}+1} \right ) \left ( 64\,i{x}^{8}{a}^{8}+64\,\sqrt{-{a}^{2}{x}^{2}+1}{x}^{7}{a}^{7}-280\,i{x}^{6}{a}^{6}-248\,\sqrt{-{a}^{2}{x}^{2}+1}{a}^{5}{x}^{5}+160\,{a}^{4}{x}^{4}\arcsin \left ( ax \right ) +456\,i{x}^{4}{a}^{4}+340\,{a}^{3}{x}^{3}\sqrt{-{a}^{2}{x}^{2}+1}-380\,{a}^{2}{x}^{2}\arcsin \left ( ax \right ) -328\,i{a}^{2}{x}^{2}-165\,ax\sqrt{-{a}^{2}{x}^{2}+1}+256\,\arcsin \left ( ax \right ) +88\,i \right ) }-{\frac{8}{15\,a{c}^{4} \left ({a}^{2}{x}^{2}-1 \right ) }\sqrt{-c \left ({a}^{2}{x}^{2}-1 \right ) }\sqrt{-{a}^{2}{x}^{2}+1}\ln \left ( 1+ \left ( iax+\sqrt{-{a}^{2}{x}^{2}+1} \right ) ^{2} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.70594, size = 209, normalized size = 1. \begin{align*} -\frac{1}{60} \, a{\left (\frac{16 \, \sqrt{\frac{1}{a^{4} c}} \log \left (x^{2} - \frac{1}{a^{2}}\right )}{c^{3}} + \frac{3}{{\left (a^{6} c^{\frac{5}{2}} x^{4} - 2 \, a^{4} c^{\frac{5}{2}} x^{2} + a^{2} c^{\frac{5}{2}}\right )} c} - \frac{8}{{\left (a^{4} c^{\frac{3}{2}} x^{2} - a^{2} c^{\frac{3}{2}}\right )} c^{2}}\right )} + \frac{1}{15} \,{\left (\frac{8 \, x}{\sqrt{-a^{2} c x^{2} + c} c^{3}} + \frac{4 \, x}{{\left (-a^{2} c x^{2} + c\right )}^{\frac{3}{2}} c^{2}} + \frac{3 \, x}{{\left (-a^{2} c x^{2} + c\right )}^{\frac{5}{2}} c}\right )} \arcsin \left (a x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{\sqrt{-a^{2} c x^{2} + c} \arcsin \left (a x\right )}{a^{8} c^{4} x^{8} - 4 \, a^{6} c^{4} x^{6} + 6 \, a^{4} c^{4} x^{4} - 4 \, a^{2} c^{4} x^{2} + c^{4}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.43052, size = 173, normalized size = 0.82 \begin{align*} -\frac{1}{60} \, \sqrt{c}{\left (\frac{16 \, \log \left ({\left | a^{2} x^{2} - 1 \right |}\right )}{a c^{4}} - \frac{24 \, a^{4} x^{4} - 56 \, a^{2} x^{2} + 35}{{\left (a^{2} x^{2} - 1\right )}^{2} a c^{4}}\right )} - \frac{\sqrt{-a^{2} c x^{2} + c}{\left (4 \,{\left (\frac{2 \, a^{4} x^{2}}{c} - \frac{5 \, a^{2}}{c}\right )} x^{2} + \frac{15}{c}\right )} x \arcsin \left (a x\right )}{15 \,{\left (a^{2} c x^{2} - c\right )}^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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