Optimal. Leaf size=355 \[ \frac{15 i a c^3 \sqrt{a^2 x^2+1} \text{PolyLog}\left (2,-\frac{i \sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{8 \sqrt{a^2 c x^2+c}}-\frac{15 i a c^3 \sqrt{a^2 x^2+1} \text{PolyLog}\left (2,\frac{i \sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{8 \sqrt{a^2 c x^2+c}}-\frac{7}{8} a c^2 \sqrt{a^2 c x^2+c}-\frac{15 i a c^3 \sqrt{a^2 x^2+1} \tan ^{-1}(a x) \tan ^{-1}\left (\frac{\sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{4 \sqrt{a^2 c x^2+c}}+\frac{7}{8} a^2 c^2 x \sqrt{a^2 c x^2+c} \tan ^{-1}(a x)-\frac{c^2 \sqrt{a^2 c x^2+c} \tan ^{-1}(a x)}{x}-a c^{5/2} \tanh ^{-1}\left (\frac{\sqrt{a^2 c x^2+c}}{\sqrt{c}}\right )-\frac{1}{12} a c \left (a^2 c x^2+c\right )^{3/2}+\frac{1}{4} a^2 c x \left (a^2 c x^2+c\right )^{3/2} \tan ^{-1}(a x) \]
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Rubi [A] time = 0.772699, antiderivative size = 355, normalized size of antiderivative = 1., number of steps used = 16, number of rules used = 8, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.364, Rules used = {4950, 4944, 266, 63, 208, 4890, 4886, 4878} \[ \frac{15 i a c^3 \sqrt{a^2 x^2+1} \text{PolyLog}\left (2,-\frac{i \sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{8 \sqrt{a^2 c x^2+c}}-\frac{15 i a c^3 \sqrt{a^2 x^2+1} \text{PolyLog}\left (2,\frac{i \sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{8 \sqrt{a^2 c x^2+c}}-\frac{7}{8} a c^2 \sqrt{a^2 c x^2+c}-\frac{15 i a c^3 \sqrt{a^2 x^2+1} \tan ^{-1}(a x) \tan ^{-1}\left (\frac{\sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{4 \sqrt{a^2 c x^2+c}}+\frac{7}{8} a^2 c^2 x \sqrt{a^2 c x^2+c} \tan ^{-1}(a x)-\frac{c^2 \sqrt{a^2 c x^2+c} \tan ^{-1}(a x)}{x}-a c^{5/2} \tanh ^{-1}\left (\frac{\sqrt{a^2 c x^2+c}}{\sqrt{c}}\right )-\frac{1}{12} a c \left (a^2 c x^2+c\right )^{3/2}+\frac{1}{4} a^2 c x \left (a^2 c x^2+c\right )^{3/2} \tan ^{-1}(a x) \]
Antiderivative was successfully verified.
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Rule 4950
Rule 4944
Rule 266
Rule 63
Rule 208
Rule 4890
Rule 4886
Rule 4878
Rubi steps
\begin{align*} \int \frac{\left (c+a^2 c x^2\right )^{5/2} \tan ^{-1}(a x)}{x^2} \, dx &=c \int \frac{\left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)}{x^2} \, dx+\left (a^2 c\right ) \int \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x) \, dx\\ &=-\frac{1}{12} a c \left (c+a^2 c x^2\right )^{3/2}+\frac{1}{4} a^2 c x \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)+c^2 \int \frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)}{x^2} \, dx+\frac{1}{4} \left (3 a^2 c^2\right ) \int \sqrt{c+a^2 c x^2} \tan ^{-1}(a x) \, dx+\left (a^2 c^2\right ) \int \sqrt{c+a^2 c x^2} \tan ^{-1}(a x) \, dx\\ &=-\frac{7}{8} a c^2 \sqrt{c+a^2 c x^2}-\frac{1}{12} a c \left (c+a^2 c x^2\right )^{3/2}+\frac{7}{8} a^2 c^2 x \sqrt{c+a^2 c x^2} \tan ^{-1}(a x)+\frac{1}{4} a^2 c x \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)+c^3 \int \frac{\tan ^{-1}(a x)}{x^2 \sqrt{c+a^2 c x^2}} \, dx+\frac{1}{8} \left (3 a^2 c^3\right ) \int \frac{\tan ^{-1}(a x)}{\sqrt{c+a^2 c x^2}} \, dx+\frac{1}{2} \left (a^2 c^3\right ) \int \frac{\tan ^{-1}(a x)}{\sqrt{c+a^2 c x^2}} \, dx+\left (a^2 c^3\right ) \int \frac{\tan ^{-1}(a x)}{\sqrt{c+a^2 c x^2}} \, dx\\ &=-\frac{7}{8} a c^2 \sqrt{c+a^2 c x^2}-\frac{1}{12} a c \left (c+a^2 c x^2\right )^{3/2}-\frac{c^2 \sqrt{c+a^2 c x^2} \tan ^{-1}(a x)}{x}+\frac{7}{8} a^2 c^2 x \sqrt{c+a^2 c x^2} \tan ^{-1}(a x)+\frac{1}{4} a^2 c x \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)+\left (a c^3\right ) \int \frac{1}{x \sqrt{c+a^2 c x^2}} \, dx+\frac{\left (3 a^2 c^3 \sqrt{1+a^2 x^2}\right ) \int \frac{\tan ^{-1}(a x)}{\sqrt{1+a^2 x^2}} \, dx}{8 \sqrt{c+a^2 c x^2}}+\frac{\left (a^2 c^3 \sqrt{1+a^2 x^2}\right ) \int \frac{\tan ^{-1}(a x)}{\sqrt{1+a^2 x^2}} \, dx}{2 \sqrt{c+a^2 c x^2}}+\frac{\left (a^2 c^3 \sqrt{1+a^2 x^2}\right ) \int \frac{\tan ^{-1}(a x)}{\sqrt{1+a^2 x^2}} \, dx}{\sqrt{c+a^2 c x^2}}\\ &=-\frac{7}{8} a c^2 \sqrt{c+a^2 c x^2}-\frac{1}{12} a c \left (c+a^2 c x^2\right )^{3/2}-\frac{c^2 \sqrt{c+a^2 c x^2} \tan ^{-1}(a x)}{x}+\frac{7}{8} a^2 c^2 x \sqrt{c+a^2 c x^2} \tan ^{-1}(a x)+\frac{1}{4} a^2 c x \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)-\frac{15 i a c^3 \sqrt{1+a^2 x^2} \tan ^{-1}(a x) \tan ^{-1}\left (\frac{\sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{4 \sqrt{c+a^2 c x^2}}+\frac{15 i a c^3 \sqrt{1+a^2 x^2} \text{Li}_2\left (-\frac{i \sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{8 \sqrt{c+a^2 c x^2}}-\frac{15 i a c^3 \sqrt{1+a^2 x^2} \text{Li}_2\left (\frac{i \sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{8 \sqrt{c+a^2 c x^2}}+\frac{1}{2} \left (a c^3\right ) \operatorname{Subst}\left (\int \frac{1}{x \sqrt{c+a^2 c x}} \, dx,x,x^2\right )\\ &=-\frac{7}{8} a c^2 \sqrt{c+a^2 c x^2}-\frac{1}{12} a c \left (c+a^2 c x^2\right )^{3/2}-\frac{c^2 \sqrt{c+a^2 c x^2} \tan ^{-1}(a x)}{x}+\frac{7}{8} a^2 c^2 x \sqrt{c+a^2 c x^2} \tan ^{-1}(a x)+\frac{1}{4} a^2 c x \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)-\frac{15 i a c^3 \sqrt{1+a^2 x^2} \tan ^{-1}(a x) \tan ^{-1}\left (\frac{\sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{4 \sqrt{c+a^2 c x^2}}+\frac{15 i a c^3 \sqrt{1+a^2 x^2} \text{Li}_2\left (-\frac{i \sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{8 \sqrt{c+a^2 c x^2}}-\frac{15 i a c^3 \sqrt{1+a^2 x^2} \text{Li}_2\left (\frac{i \sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{8 \sqrt{c+a^2 c x^2}}+\frac{c^2 \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}\\ &=-\frac{7}{8} a c^2 \sqrt{c+a^2 c x^2}-\frac{1}{12} a c \left (c+a^2 c x^2\right )^{3/2}-\frac{c^2 \sqrt{c+a^2 c x^2} \tan ^{-1}(a x)}{x}+\frac{7}{8} a^2 c^2 x \sqrt{c+a^2 c x^2} \tan ^{-1}(a x)+\frac{1}{4} a^2 c x \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)-\frac{15 i a c^3 \sqrt{1+a^2 x^2} \tan ^{-1}(a x) \tan ^{-1}\left (\frac{\sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{4 \sqrt{c+a^2 c x^2}}-a c^{5/2} \tanh ^{-1}\left (\frac{\sqrt{c+a^2 c x^2}}{\sqrt{c}}\right )+\frac{15 i a c^3 \sqrt{1+a^2 x^2} \text{Li}_2\left (-\frac{i \sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{8 \sqrt{c+a^2 c x^2}}-\frac{15 i a c^3 \sqrt{1+a^2 x^2} \text{Li}_2\left (\frac{i \sqrt{1+i a x}}{\sqrt{1-i a x}}\right )}{8 \sqrt{c+a^2 c x^2}}\\ \end{align*}
Mathematica [A] time = 3.94454, size = 491, normalized size = 1.38 \[ \frac{a c^2 \sqrt{a^2 c x^2+c} \left (-48 \left (-i \text{PolyLog}\left (2,-i e^{i \tan ^{-1}(a x)}\right )+i \text{PolyLog}\left (2,i e^{i \tan ^{-1}(a x)}\right )+\frac{\sqrt{a^2 x^2+1} \tan ^{-1}(a x)}{a x}+\tan ^{-1}(a x) \left (-\log \left (1-i e^{i \tan ^{-1}(a x)}\right )\right )+\tan ^{-1}(a x) \log \left (1+i e^{i \tan ^{-1}(a x)}\right )-\log \left (\sin \left (\frac{1}{2} \tan ^{-1}(a x)\right )\right )+\log \left (\cos \left (\frac{1}{2} \tan ^{-1}(a x)\right )\right )\right )+42 i \text{PolyLog}\left (2,-i e^{i \tan ^{-1}(a x)}\right )-42 i \text{PolyLog}\left (2,i e^{i \tan ^{-1}(a x)}\right )+\frac{1}{2} \left (a^2 x^2+1\right )^{3/2}+48 \sqrt{a^2 x^2+1} \left (a x \tan ^{-1}(a x)-1\right )+\frac{3}{2} \left (a^2 x^2+1\right )^2 \cos \left (3 \tan ^{-1}(a x)\right )-\frac{3}{4} \left (a^2 x^2+1\right )^2 \tan ^{-1}(a x) \left (-\frac{14 a x}{\sqrt{a^2 x^2+1}}+3 \log \left (1-i e^{i \tan ^{-1}(a x)}\right )-3 \log \left (1+i e^{i \tan ^{-1}(a x)}\right )+2 \sin \left (3 \tan ^{-1}(a x)\right )+4 \left (\log \left (1-i e^{i \tan ^{-1}(a x)}\right )-\log \left (1+i e^{i \tan ^{-1}(a x)}\right )\right ) \cos \left (2 \tan ^{-1}(a x)\right )+\left (\log \left (1-i e^{i \tan ^{-1}(a x)}\right )-\log \left (1+i e^{i \tan ^{-1}(a x)}\right )\right ) \cos \left (4 \tan ^{-1}(a x)\right )\right )+48 \tan ^{-1}(a x) \left (\log \left (1-i e^{i \tan ^{-1}(a x)}\right )-\log \left (1+i e^{i \tan ^{-1}(a x)}\right )\right )\right )}{48 \sqrt{a^2 x^2+1}} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.353, size = 265, normalized size = 0.8 \begin{align*}{\frac{{c}^{2} \left ( 6\,\arctan \left ( ax \right ){x}^{4}{a}^{4}-2\,{a}^{3}{x}^{3}+27\,\arctan \left ( ax \right ){a}^{2}{x}^{2}-23\,ax-24\,\arctan \left ( ax \right ) \right ) }{24\,x}\sqrt{c \left ( ax-i \right ) \left ( ax+i \right ) }}-{\frac{a{c}^{2}}{8}\sqrt{c \left ( ax-i \right ) \left ( ax+i \right ) } \left ( 15\,\arctan \left ( ax \right ) \ln \left ( 1+{\frac{i \left ( 1+iax \right ) }{\sqrt{{a}^{2}{x}^{2}+1}}} \right ) -15\,\arctan \left ( ax \right ) \ln \left ( 1-{\frac{i \left ( 1+iax \right ) }{\sqrt{{a}^{2}{x}^{2}+1}}} \right ) -8\,\ln \left ({\frac{1+iax}{\sqrt{{a}^{2}{x}^{2}+1}}}-1 \right ) +8\,\ln \left ( 1+{\frac{1+iax}{\sqrt{{a}^{2}{x}^{2}+1}}} \right ) +15\,i{\it dilog} \left ( 1-{i \left ( 1+iax \right ){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) -15\,i{\it dilog} \left ( 1+{i \left ( 1+iax \right ){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) \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 [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{{\left (a^{4} c^{2} x^{4} + 2 \, a^{2} c^{2} x^{2} + c^{2}\right )} \sqrt{a^{2} c x^{2} + c} \arctan \left (a x\right )}{x^{2}}, 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 [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (a^{2} c x^{2} + c\right )}^{\frac{5}{2}} \arctan \left (a x\right )}{x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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