Integrand size = 10, antiderivative size = 169 \[ \int \frac {\arccos (a x)^3}{x^5} \, dx=\frac {a^3 \sqrt {1-a^2 x^2}}{4 x}-\frac {a^2 \arccos (a x)}{4 x^2}-\frac {1}{2} i a^4 \arccos (a x)^2+\frac {a \sqrt {1-a^2 x^2} \arccos (a x)^2}{4 x^3}+\frac {a^3 \sqrt {1-a^2 x^2} \arccos (a x)^2}{2 x}-\frac {\arccos (a x)^3}{4 x^4}+a^4 \arccos (a x) \log \left (1+e^{2 i \arccos (a x)}\right )-\frac {1}{2} i a^4 \operatorname {PolyLog}\left (2,-e^{2 i \arccos (a x)}\right ) \]
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Time = 0.18 (sec) , antiderivative size = 169, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.900, Rules used = {4724, 4790, 4772, 4722, 3800, 2221, 2317, 2438, 270} \[ \int \frac {\arccos (a x)^3}{x^5} \, dx=-\frac {1}{2} i a^4 \operatorname {PolyLog}\left (2,-e^{2 i \arccos (a x)}\right )-\frac {1}{2} i a^4 \arccos (a x)^2+a^4 \arccos (a x) \log \left (1+e^{2 i \arccos (a x)}\right )-\frac {a^2 \arccos (a x)}{4 x^2}+\frac {a \sqrt {1-a^2 x^2} \arccos (a x)^2}{4 x^3}+\frac {a^3 \sqrt {1-a^2 x^2} \arccos (a x)^2}{2 x}+\frac {a^3 \sqrt {1-a^2 x^2}}{4 x}-\frac {\arccos (a x)^3}{4 x^4} \]
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Rule 270
Rule 2221
Rule 2317
Rule 2438
Rule 3800
Rule 4722
Rule 4724
Rule 4772
Rule 4790
Rubi steps \begin{align*} \text {integral}& = -\frac {\arccos (a x)^3}{4 x^4}-\frac {1}{4} (3 a) \int \frac {\arccos (a x)^2}{x^4 \sqrt {1-a^2 x^2}} \, dx \\ & = \frac {a \sqrt {1-a^2 x^2} \arccos (a x)^2}{4 x^3}-\frac {\arccos (a x)^3}{4 x^4}+\frac {1}{2} a^2 \int \frac {\arccos (a x)}{x^3} \, dx-\frac {1}{2} a^3 \int \frac {\arccos (a x)^2}{x^2 \sqrt {1-a^2 x^2}} \, dx \\ & = -\frac {a^2 \arccos (a x)}{4 x^2}+\frac {a \sqrt {1-a^2 x^2} \arccos (a x)^2}{4 x^3}+\frac {a^3 \sqrt {1-a^2 x^2} \arccos (a x)^2}{2 x}-\frac {\arccos (a x)^3}{4 x^4}-\frac {1}{4} a^3 \int \frac {1}{x^2 \sqrt {1-a^2 x^2}} \, dx+a^4 \int \frac {\arccos (a x)}{x} \, dx \\ & = \frac {a^3 \sqrt {1-a^2 x^2}}{4 x}-\frac {a^2 \arccos (a x)}{4 x^2}+\frac {a \sqrt {1-a^2 x^2} \arccos (a x)^2}{4 x^3}+\frac {a^3 \sqrt {1-a^2 x^2} \arccos (a x)^2}{2 x}-\frac {\arccos (a x)^3}{4 x^4}-a^4 \text {Subst}(\int x \tan (x) \, dx,x,\arccos (a x)) \\ & = \frac {a^3 \sqrt {1-a^2 x^2}}{4 x}-\frac {a^2 \arccos (a x)}{4 x^2}-\frac {1}{2} i a^4 \arccos (a x)^2+\frac {a \sqrt {1-a^2 x^2} \arccos (a x)^2}{4 x^3}+\frac {a^3 \sqrt {1-a^2 x^2} \arccos (a x)^2}{2 x}-\frac {\arccos (a x)^3}{4 x^4}+\left (2 i a^4\right ) \text {Subst}\left (\int \frac {e^{2 i x} x}{1+e^{2 i x}} \, dx,x,\arccos (a x)\right ) \\ & = \frac {a^3 \sqrt {1-a^2 x^2}}{4 x}-\frac {a^2 \arccos (a x)}{4 x^2}-\frac {1}{2} i a^4 \arccos (a x)^2+\frac {a \sqrt {1-a^2 x^2} \arccos (a x)^2}{4 x^3}+\frac {a^3 \sqrt {1-a^2 x^2} \arccos (a x)^2}{2 x}-\frac {\arccos (a x)^3}{4 x^4}+a^4 \arccos (a x) \log \left (1+e^{2 i \arccos (a x)}\right )-a^4 \text {Subst}\left (\int \log \left (1+e^{2 i x}\right ) \, dx,x,\arccos (a x)\right ) \\ & = \frac {a^3 \sqrt {1-a^2 x^2}}{4 x}-\frac {a^2 \arccos (a x)}{4 x^2}-\frac {1}{2} i a^4 \arccos (a x)^2+\frac {a \sqrt {1-a^2 x^2} \arccos (a x)^2}{4 x^3}+\frac {a^3 \sqrt {1-a^2 x^2} \arccos (a x)^2}{2 x}-\frac {\arccos (a x)^3}{4 x^4}+a^4 \arccos (a x) \log \left (1+e^{2 i \arccos (a x)}\right )+\frac {1}{2} \left (i a^4\right ) \text {Subst}\left (\int \frac {\log (1+x)}{x} \, dx,x,e^{2 i \arccos (a x)}\right ) \\ & = \frac {a^3 \sqrt {1-a^2 x^2}}{4 x}-\frac {a^2 \arccos (a x)}{4 x^2}-\frac {1}{2} i a^4 \arccos (a x)^2+\frac {a \sqrt {1-a^2 x^2} \arccos (a x)^2}{4 x^3}+\frac {a^3 \sqrt {1-a^2 x^2} \arccos (a x)^2}{2 x}-\frac {\arccos (a x)^3}{4 x^4}+a^4 \arccos (a x) \log \left (1+e^{2 i \arccos (a x)}\right )-\frac {1}{2} i a^4 \operatorname {PolyLog}\left (2,-e^{2 i \arccos (a x)}\right ) \\ \end{align*}
Time = 0.25 (sec) , antiderivative size = 151, normalized size of antiderivative = 0.89 \[ \int \frac {\arccos (a x)^3}{x^5} \, dx=\frac {a^3 x^3 \sqrt {1-a^2 x^2}+a x \left (-2 i a^3 x^3+\sqrt {1-a^2 x^2}+2 a^2 x^2 \sqrt {1-a^2 x^2}\right ) \arccos (a x)^2-\arccos (a x)^3+a^2 x^2 \arccos (a x) \left (-1+4 a^2 x^2 \log \left (1+e^{2 i \arccos (a x)}\right )\right )-2 i a^4 x^4 \operatorname {PolyLog}\left (2,-e^{2 i \arccos (a x)}\right )}{4 x^4} \]
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Time = 0.79 (sec) , antiderivative size = 190, normalized size of antiderivative = 1.12
method | result | size |
derivativedivides | \(a^{4} \left (-\frac {-2 i \arccos \left (a x \right )^{2} a^{4} x^{4}-2 \sqrt {-a^{2} x^{2}+1}\, \arccos \left (a x \right )^{2} a^{3} x^{3}-i a^{4} x^{4}-\sqrt {-a^{2} x^{2}+1}\, \arccos \left (a x \right )^{2} a x -a^{3} x^{3} \sqrt {-a^{2} x^{2}+1}+\arccos \left (a x \right )^{3}+a^{2} x^{2} \arccos \left (a x \right )}{4 a^{4} x^{4}}-i \arccos \left (a x \right )^{2}+\arccos \left (a x \right ) \ln \left (1+\left (i \sqrt {-a^{2} x^{2}+1}+a x \right )^{2}\right )-\frac {i \operatorname {polylog}\left (2, -\left (i \sqrt {-a^{2} x^{2}+1}+a x \right )^{2}\right )}{2}\right )\) | \(190\) |
default | \(a^{4} \left (-\frac {-2 i \arccos \left (a x \right )^{2} a^{4} x^{4}-2 \sqrt {-a^{2} x^{2}+1}\, \arccos \left (a x \right )^{2} a^{3} x^{3}-i a^{4} x^{4}-\sqrt {-a^{2} x^{2}+1}\, \arccos \left (a x \right )^{2} a x -a^{3} x^{3} \sqrt {-a^{2} x^{2}+1}+\arccos \left (a x \right )^{3}+a^{2} x^{2} \arccos \left (a x \right )}{4 a^{4} x^{4}}-i \arccos \left (a x \right )^{2}+\arccos \left (a x \right ) \ln \left (1+\left (i \sqrt {-a^{2} x^{2}+1}+a x \right )^{2}\right )-\frac {i \operatorname {polylog}\left (2, -\left (i \sqrt {-a^{2} x^{2}+1}+a x \right )^{2}\right )}{2}\right )\) | \(190\) |
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\[ \int \frac {\arccos (a x)^3}{x^5} \, dx=\int { \frac {\arccos \left (a x\right )^{3}}{x^{5}} \,d x } \]
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\[ \int \frac {\arccos (a x)^3}{x^5} \, dx=\int \frac {\operatorname {acos}^{3}{\left (a x \right )}}{x^{5}}\, dx \]
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\[ \int \frac {\arccos (a x)^3}{x^5} \, dx=\int { \frac {\arccos \left (a x\right )^{3}}{x^{5}} \,d x } \]
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Exception generated. \[ \int \frac {\arccos (a x)^3}{x^5} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {\arccos (a x)^3}{x^5} \, dx=\int \frac {{\mathrm {acos}\left (a\,x\right )}^3}{x^5} \,d x \]
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