Integrand size = 10, antiderivative size = 44 \[ \int \frac {\arcsin (a x)^2}{x^3} \, dx=-\frac {a \sqrt {1-a^2 x^2} \arcsin (a x)}{x}-\frac {\arcsin (a x)^2}{2 x^2}+a^2 \log (x) \]
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Time = 0.05 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {4723, 4771, 29} \[ \int \frac {\arcsin (a x)^2}{x^3} \, dx=-\frac {a \sqrt {1-a^2 x^2} \arcsin (a x)}{x}+a^2 \log (x)-\frac {\arcsin (a x)^2}{2 x^2} \]
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Rule 29
Rule 4723
Rule 4771
Rubi steps \begin{align*} \text {integral}& = -\frac {\arcsin (a x)^2}{2 x^2}+a \int \frac {\arcsin (a x)}{x^2 \sqrt {1-a^2 x^2}} \, dx \\ & = -\frac {a \sqrt {1-a^2 x^2} \arcsin (a x)}{x}-\frac {\arcsin (a x)^2}{2 x^2}+a^2 \int \frac {1}{x} \, dx \\ & = -\frac {a \sqrt {1-a^2 x^2} \arcsin (a x)}{x}-\frac {\arcsin (a x)^2}{2 x^2}+a^2 \log (x) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.00 \[ \int \frac {\arcsin (a x)^2}{x^3} \, dx=-\frac {a \sqrt {1-a^2 x^2} \arcsin (a x)}{x}-\frac {\arcsin (a x)^2}{2 x^2}+a^2 \log (x) \]
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Time = 0.03 (sec) , antiderivative size = 48, normalized size of antiderivative = 1.09
method | result | size |
derivativedivides | \(a^{2} \left (-\frac {\arcsin \left (a x \right )^{2}}{2 a^{2} x^{2}}-\frac {\arcsin \left (a x \right ) \sqrt {-a^{2} x^{2}+1}}{a x}+\ln \left (a x \right )\right )\) | \(48\) |
default | \(a^{2} \left (-\frac {\arcsin \left (a x \right )^{2}}{2 a^{2} x^{2}}-\frac {\arcsin \left (a x \right ) \sqrt {-a^{2} x^{2}+1}}{a x}+\ln \left (a x \right )\right )\) | \(48\) |
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Time = 0.27 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.00 \[ \int \frac {\arcsin (a x)^2}{x^3} \, dx=\frac {2 \, a^{2} x^{2} \log \left (x\right ) - 2 \, \sqrt {-a^{2} x^{2} + 1} a x \arcsin \left (a x\right ) - \arcsin \left (a x\right )^{2}}{2 \, x^{2}} \]
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\[ \int \frac {\arcsin (a x)^2}{x^3} \, dx=\int \frac {\operatorname {asin}^{2}{\left (a x \right )}}{x^{3}}\, dx \]
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Time = 0.27 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.91 \[ \int \frac {\arcsin (a x)^2}{x^3} \, dx=a^{2} \log \left (x\right ) - \frac {\sqrt {-a^{2} x^{2} + 1} a \arcsin \left (a x\right )}{x} - \frac {\arcsin \left (a x\right )^{2}}{2 \, x^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 82 vs. \(2 (40) = 80\).
Time = 0.29 (sec) , antiderivative size = 82, normalized size of antiderivative = 1.86 \[ \int \frac {\arcsin (a x)^2}{x^3} \, dx=\frac {1}{2} \, {\left ({\left (\frac {a^{4} x}{{\left (\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a\right )} {\left | a \right |}} - \frac {\sqrt {-a^{2} x^{2} + 1} {\left | a \right |} + a}{x {\left | a \right |}}\right )} \arcsin \left (a x\right ) + 2 \, a \log \left ({\left | x \right |}\right )\right )} a - \frac {\arcsin \left (a x\right )^{2}}{2 \, x^{2}} \]
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Timed out. \[ \int \frac {\arcsin (a x)^2}{x^3} \, dx=\int \frac {{\mathrm {asin}\left (a\,x\right )}^2}{x^3} \,d x \]
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