Optimal. Leaf size=158 \[ -\frac{5 a}{3 c^2 \sqrt{a^2 c x^2+c}}-\frac{5 a^2 x \tan ^{-1}(a x)}{3 c^2 \sqrt{a^2 c x^2+c}}-\frac{\sqrt{a^2 c x^2+c} \tan ^{-1}(a x)}{c^3 x}-\frac{a \tanh ^{-1}\left (\frac{\sqrt{a^2 c x^2+c}}{\sqrt{c}}\right )}{c^{5/2}}-\frac{a}{9 c \left (a^2 c x^2+c\right )^{3/2}}-\frac{a^2 x \tan ^{-1}(a x)}{3 c \left (a^2 c x^2+c\right )^{3/2}} \]
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Rubi [A] time = 0.33748, antiderivative size = 158, normalized size of antiderivative = 1., number of steps used = 9, number of rules used = 7, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.318, Rules used = {4966, 4944, 266, 63, 208, 4894, 4896} \[ -\frac{5 a}{3 c^2 \sqrt{a^2 c x^2+c}}-\frac{5 a^2 x \tan ^{-1}(a x)}{3 c^2 \sqrt{a^2 c x^2+c}}-\frac{\sqrt{a^2 c x^2+c} \tan ^{-1}(a x)}{c^3 x}-\frac{a \tanh ^{-1}\left (\frac{\sqrt{a^2 c x^2+c}}{\sqrt{c}}\right )}{c^{5/2}}-\frac{a}{9 c \left (a^2 c x^2+c\right )^{3/2}}-\frac{a^2 x \tan ^{-1}(a x)}{3 c \left (a^2 c x^2+c\right )^{3/2}} \]
Antiderivative was successfully verified.
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Rule 4966
Rule 4944
Rule 266
Rule 63
Rule 208
Rule 4894
Rule 4896
Rubi steps
\begin{align*} \int \frac{\tan ^{-1}(a x)}{x^2 \left (c+a^2 c x^2\right )^{5/2}} \, dx &=-\left (a^2 \int \frac{\tan ^{-1}(a x)}{\left (c+a^2 c x^2\right )^{5/2}} \, dx\right )+\frac{\int \frac{\tan ^{-1}(a x)}{x^2 \left (c+a^2 c x^2\right )^{3/2}} \, dx}{c}\\ &=-\frac{a}{9 c \left (c+a^2 c x^2\right )^{3/2}}-\frac{a^2 x \tan ^{-1}(a x)}{3 c \left (c+a^2 c x^2\right )^{3/2}}+\frac{\int \frac{\tan ^{-1}(a x)}{x^2 \sqrt{c+a^2 c x^2}} \, dx}{c^2}-\frac{\left (2 a^2\right ) \int \frac{\tan ^{-1}(a x)}{\left (c+a^2 c x^2\right )^{3/2}} \, dx}{3 c}-\frac{a^2 \int \frac{\tan ^{-1}(a x)}{\left (c+a^2 c x^2\right )^{3/2}} \, dx}{c}\\ &=-\frac{a}{9 c \left (c+a^2 c x^2\right )^{3/2}}-\frac{5 a}{3 c^2 \sqrt{c+a^2 c x^2}}-\frac{a^2 x \tan ^{-1}(a x)}{3 c \left (c+a^2 c x^2\right )^{3/2}}-\frac{5 a^2 x \tan ^{-1}(a x)}{3 c^2 \sqrt{c+a^2 c x^2}}-\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)}{c^3 x}+\frac{a \int \frac{1}{x \sqrt{c+a^2 c x^2}} \, dx}{c^2}\\ &=-\frac{a}{9 c \left (c+a^2 c x^2\right )^{3/2}}-\frac{5 a}{3 c^2 \sqrt{c+a^2 c x^2}}-\frac{a^2 x \tan ^{-1}(a x)}{3 c \left (c+a^2 c x^2\right )^{3/2}}-\frac{5 a^2 x \tan ^{-1}(a x)}{3 c^2 \sqrt{c+a^2 c x^2}}-\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)}{c^3 x}+\frac{a \operatorname{Subst}\left (\int \frac{1}{x \sqrt{c+a^2 c x}} \, dx,x,x^2\right )}{2 c^2}\\ &=-\frac{a}{9 c \left (c+a^2 c x^2\right )^{3/2}}-\frac{5 a}{3 c^2 \sqrt{c+a^2 c x^2}}-\frac{a^2 x \tan ^{-1}(a x)}{3 c \left (c+a^2 c x^2\right )^{3/2}}-\frac{5 a^2 x \tan ^{-1}(a x)}{3 c^2 \sqrt{c+a^2 c x^2}}-\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)}{c^3 x}+\frac{\operatorname{Subst}\left (\int \frac{1}{-\frac{1}{a^2}+\frac{x^2}{a^2 c}} \, dx,x,\sqrt{c+a^2 c x^2}\right )}{a c^3}\\ &=-\frac{a}{9 c \left (c+a^2 c x^2\right )^{3/2}}-\frac{5 a}{3 c^2 \sqrt{c+a^2 c x^2}}-\frac{a^2 x \tan ^{-1}(a x)}{3 c \left (c+a^2 c x^2\right )^{3/2}}-\frac{5 a^2 x \tan ^{-1}(a x)}{3 c^2 \sqrt{c+a^2 c x^2}}-\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)}{c^3 x}-\frac{a \tanh ^{-1}\left (\frac{\sqrt{c+a^2 c x^2}}{\sqrt{c}}\right )}{c^{5/2}}\\ \end{align*}
Mathematica [A] time = 0.24921, size = 151, normalized size = 0.96 \[ \frac{a x \left (-\left (15 a^2 x^2+16\right ) \sqrt{a^2 c x^2+c}+9 \sqrt{c} \left (a^2 x^2+1\right )^2 \log (x)-9 \sqrt{c} \left (a^2 x^2+1\right )^2 \log \left (\sqrt{c} \sqrt{a^2 c x^2+c}+c\right )\right )-3 \left (8 a^4 x^4+12 a^2 x^2+3\right ) \sqrt{a^2 c x^2+c} \tan ^{-1}(a x)}{9 c^3 x \left (a^2 x^2+1\right )^2} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.337, size = 369, normalized size = 2.3 \begin{align*}{\frac{a \left ( i+3\,\arctan \left ( ax \right ) \right ) \left ({a}^{3}{x}^{3}-3\,i{a}^{2}{x}^{2}-3\,ax+i \right ) }{72\, \left ({a}^{2}{x}^{2}+1 \right ) ^{2}{c}^{3}}\sqrt{c \left ( ax-i \right ) \left ( ax+i \right ) }}-{\frac{7\,a \left ( \arctan \left ( ax \right ) +i \right ) \left ( ax-i \right ) }{8\,{c}^{3} \left ({a}^{2}{x}^{2}+1 \right ) }\sqrt{c \left ( ax-i \right ) \left ( ax+i \right ) }}-{\frac{ \left ( 7\,ax+7\,i \right ) \left ( \arctan \left ( ax \right ) -i \right ) a}{8\,{c}^{3} \left ({a}^{2}{x}^{2}+1 \right ) }\sqrt{c \left ( ax-i \right ) \left ( ax+i \right ) }}+{\frac{ \left ({a}^{3}{x}^{3}+3\,i{a}^{2}{x}^{2}-3\,ax-i \right ) \left ( -i+3\,\arctan \left ( ax \right ) \right ) a}{72\,{c}^{3} \left ({a}^{4}{x}^{4}+2\,{a}^{2}{x}^{2}+1 \right ) }\sqrt{c \left ( ax-i \right ) \left ( ax+i \right ) }}-{\frac{\arctan \left ( ax \right ) }{{c}^{3}x}\sqrt{c \left ( ax-i \right ) \left ( ax+i \right ) }}-{\frac{a}{{c}^{3}}\ln \left ( 1+{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) \sqrt{c \left ( ax-i \right ) \left ( ax+i \right ) }{\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}}+{\frac{a}{{c}^{3}}\ln \left ({(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}}-1 \right ) \sqrt{c \left ( ax-i \right ) \left ( ax+i \right ) }{\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \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 = 2.78061, size = 317, normalized size = 2.01 \begin{align*} \frac{9 \,{\left (a^{5} x^{5} + 2 \, a^{3} x^{3} + a x\right )} \sqrt{c} \log \left (-\frac{a^{2} c x^{2} - 2 \, \sqrt{a^{2} c x^{2} + c} \sqrt{c} + 2 \, c}{x^{2}}\right ) - 2 \,{\left (15 \, a^{3} x^{3} + 16 \, a x + 3 \,{\left (8 \, a^{4} x^{4} + 12 \, a^{2} x^{2} + 3\right )} \arctan \left (a x\right )\right )} \sqrt{a^{2} c x^{2} + c}}{18 \,{\left (a^{4} c^{3} x^{5} + 2 \, a^{2} c^{3} x^{3} + c^{3} 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{\operatorname{atan}{\left (a x \right )}}{x^{2} \left (c \left (a^{2} x^{2} + 1\right )\right )^{\frac{5}{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\arctan \left (a x\right )}{{\left (a^{2} c x^{2} + c\right )}^{\frac{5}{2}} x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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