Integrand size = 24, antiderivative size = 191 \[ \int \frac {x^4 \arcsin (a x)^3}{\sqrt {1-a^2 x^2}} \, dx=-\frac {45 x^2}{128 a^3}-\frac {3 x^4}{128 a}+\frac {45 x \sqrt {1-a^2 x^2} \arcsin (a x)}{64 a^4}+\frac {3 x^3 \sqrt {1-a^2 x^2} \arcsin (a x)}{32 a^2}-\frac {45 \arcsin (a x)^2}{128 a^5}+\frac {9 x^2 \arcsin (a x)^2}{16 a^3}+\frac {3 x^4 \arcsin (a x)^2}{16 a}-\frac {3 x \sqrt {1-a^2 x^2} \arcsin (a x)^3}{8 a^4}-\frac {x^3 \sqrt {1-a^2 x^2} \arcsin (a x)^3}{4 a^2}+\frac {3 \arcsin (a x)^4}{32 a^5} \]
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Time = 0.31 (sec) , antiderivative size = 191, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {4795, 4737, 4723, 30} \[ \int \frac {x^4 \arcsin (a x)^3}{\sqrt {1-a^2 x^2}} \, dx=\frac {3 \arcsin (a x)^4}{32 a^5}-\frac {45 \arcsin (a x)^2}{128 a^5}+\frac {9 x^2 \arcsin (a x)^2}{16 a^3}-\frac {45 x^2}{128 a^3}-\frac {x^3 \sqrt {1-a^2 x^2} \arcsin (a x)^3}{4 a^2}+\frac {3 x^3 \sqrt {1-a^2 x^2} \arcsin (a x)}{32 a^2}-\frac {3 x \sqrt {1-a^2 x^2} \arcsin (a x)^3}{8 a^4}+\frac {45 x \sqrt {1-a^2 x^2} \arcsin (a x)}{64 a^4}+\frac {3 x^4 \arcsin (a x)^2}{16 a}-\frac {3 x^4}{128 a} \]
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Rule 30
Rule 4723
Rule 4737
Rule 4795
Rubi steps \begin{align*} \text {integral}& = -\frac {x^3 \sqrt {1-a^2 x^2} \arcsin (a x)^3}{4 a^2}+\frac {3 \int \frac {x^2 \arcsin (a x)^3}{\sqrt {1-a^2 x^2}} \, dx}{4 a^2}+\frac {3 \int x^3 \arcsin (a x)^2 \, dx}{4 a} \\ & = \frac {3 x^4 \arcsin (a x)^2}{16 a}-\frac {3 x \sqrt {1-a^2 x^2} \arcsin (a x)^3}{8 a^4}-\frac {x^3 \sqrt {1-a^2 x^2} \arcsin (a x)^3}{4 a^2}-\frac {3}{8} \int \frac {x^4 \arcsin (a x)}{\sqrt {1-a^2 x^2}} \, dx+\frac {3 \int \frac {\arcsin (a x)^3}{\sqrt {1-a^2 x^2}} \, dx}{8 a^4}+\frac {9 \int x \arcsin (a x)^2 \, dx}{8 a^3} \\ & = \frac {3 x^3 \sqrt {1-a^2 x^2} \arcsin (a x)}{32 a^2}+\frac {9 x^2 \arcsin (a x)^2}{16 a^3}+\frac {3 x^4 \arcsin (a x)^2}{16 a}-\frac {3 x \sqrt {1-a^2 x^2} \arcsin (a x)^3}{8 a^4}-\frac {x^3 \sqrt {1-a^2 x^2} \arcsin (a x)^3}{4 a^2}+\frac {3 \arcsin (a x)^4}{32 a^5}-\frac {9 \int \frac {x^2 \arcsin (a x)}{\sqrt {1-a^2 x^2}} \, dx}{32 a^2}-\frac {9 \int \frac {x^2 \arcsin (a x)}{\sqrt {1-a^2 x^2}} \, dx}{8 a^2}-\frac {3 \int x^3 \, dx}{32 a} \\ & = -\frac {3 x^4}{128 a}+\frac {45 x \sqrt {1-a^2 x^2} \arcsin (a x)}{64 a^4}+\frac {3 x^3 \sqrt {1-a^2 x^2} \arcsin (a x)}{32 a^2}+\frac {9 x^2 \arcsin (a x)^2}{16 a^3}+\frac {3 x^4 \arcsin (a x)^2}{16 a}-\frac {3 x \sqrt {1-a^2 x^2} \arcsin (a x)^3}{8 a^4}-\frac {x^3 \sqrt {1-a^2 x^2} \arcsin (a x)^3}{4 a^2}+\frac {3 \arcsin (a x)^4}{32 a^5}-\frac {9 \int \frac {\arcsin (a x)}{\sqrt {1-a^2 x^2}} \, dx}{64 a^4}-\frac {9 \int \frac {\arcsin (a x)}{\sqrt {1-a^2 x^2}} \, dx}{16 a^4}-\frac {9 \int x \, dx}{64 a^3}-\frac {9 \int x \, dx}{16 a^3} \\ & = -\frac {45 x^2}{128 a^3}-\frac {3 x^4}{128 a}+\frac {45 x \sqrt {1-a^2 x^2} \arcsin (a x)}{64 a^4}+\frac {3 x^3 \sqrt {1-a^2 x^2} \arcsin (a x)}{32 a^2}-\frac {45 \arcsin (a x)^2}{128 a^5}+\frac {9 x^2 \arcsin (a x)^2}{16 a^3}+\frac {3 x^4 \arcsin (a x)^2}{16 a}-\frac {3 x \sqrt {1-a^2 x^2} \arcsin (a x)^3}{8 a^4}-\frac {x^3 \sqrt {1-a^2 x^2} \arcsin (a x)^3}{4 a^2}+\frac {3 \arcsin (a x)^4}{32 a^5} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 125, normalized size of antiderivative = 0.65 \[ \int \frac {x^4 \arcsin (a x)^3}{\sqrt {1-a^2 x^2}} \, dx=\frac {-3 a^2 x^2 \left (15+a^2 x^2\right )+6 a x \sqrt {1-a^2 x^2} \left (15+2 a^2 x^2\right ) \arcsin (a x)+3 \left (-15+24 a^2 x^2+8 a^4 x^4\right ) \arcsin (a x)^2-16 a x \sqrt {1-a^2 x^2} \left (3+2 a^2 x^2\right ) \arcsin (a x)^3+12 \arcsin (a x)^4}{128 a^5} \]
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Time = 0.10 (sec) , antiderivative size = 160, normalized size of antiderivative = 0.84
method | result | size |
default | \(\frac {-128 \arcsin \left (a x \right )^{3} \sqrt {-a^{2} x^{2}+1}\, a^{3} x^{3}+96 a^{4} x^{4} \arcsin \left (a x \right )^{2}+48 \arcsin \left (a x \right ) \sqrt {-a^{2} x^{2}+1}\, a^{3} x^{3}-12 a^{4} x^{4}-192 \arcsin \left (a x \right )^{3} \sqrt {-a^{2} x^{2}+1}\, a x +288 \arcsin \left (a x \right )^{2} a^{2} x^{2}+48 \arcsin \left (a x \right )^{4}+360 \arcsin \left (a x \right ) \sqrt {-a^{2} x^{2}+1}\, a x -180 a^{2} x^{2}-180 \arcsin \left (a x \right )^{2}-27}{512 a^{5}}\) | \(160\) |
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Time = 0.27 (sec) , antiderivative size = 111, normalized size of antiderivative = 0.58 \[ \int \frac {x^4 \arcsin (a x)^3}{\sqrt {1-a^2 x^2}} \, dx=-\frac {3 \, a^{4} x^{4} + 45 \, a^{2} x^{2} - 12 \, \arcsin \left (a x\right )^{4} - 3 \, {\left (8 \, a^{4} x^{4} + 24 \, a^{2} x^{2} - 15\right )} \arcsin \left (a x\right )^{2} + 2 \, \sqrt {-a^{2} x^{2} + 1} {\left (8 \, {\left (2 \, a^{3} x^{3} + 3 \, a x\right )} \arcsin \left (a x\right )^{3} - 3 \, {\left (2 \, a^{3} x^{3} + 15 \, a x\right )} \arcsin \left (a x\right )\right )}}{128 \, a^{5}} \]
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Time = 0.74 (sec) , antiderivative size = 185, normalized size of antiderivative = 0.97 \[ \int \frac {x^4 \arcsin (a x)^3}{\sqrt {1-a^2 x^2}} \, dx=\begin {cases} \frac {3 x^{4} \operatorname {asin}^{2}{\left (a x \right )}}{16 a} - \frac {3 x^{4}}{128 a} - \frac {x^{3} \sqrt {- a^{2} x^{2} + 1} \operatorname {asin}^{3}{\left (a x \right )}}{4 a^{2}} + \frac {3 x^{3} \sqrt {- a^{2} x^{2} + 1} \operatorname {asin}{\left (a x \right )}}{32 a^{2}} + \frac {9 x^{2} \operatorname {asin}^{2}{\left (a x \right )}}{16 a^{3}} - \frac {45 x^{2}}{128 a^{3}} - \frac {3 x \sqrt {- a^{2} x^{2} + 1} \operatorname {asin}^{3}{\left (a x \right )}}{8 a^{4}} + \frac {45 x \sqrt {- a^{2} x^{2} + 1} \operatorname {asin}{\left (a x \right )}}{64 a^{4}} + \frac {3 \operatorname {asin}^{4}{\left (a x \right )}}{32 a^{5}} - \frac {45 \operatorname {asin}^{2}{\left (a x \right )}}{128 a^{5}} & \text {for}\: a \neq 0 \\0 & \text {otherwise} \end {cases} \]
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\[ \int \frac {x^4 \arcsin (a x)^3}{\sqrt {1-a^2 x^2}} \, dx=\int { \frac {x^{4} \arcsin \left (a x\right )^{3}}{\sqrt {-a^{2} x^{2} + 1}} \,d x } \]
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Time = 0.32 (sec) , antiderivative size = 192, normalized size of antiderivative = 1.01 \[ \int \frac {x^4 \arcsin (a x)^3}{\sqrt {1-a^2 x^2}} \, dx=\frac {{\left (-a^{2} x^{2} + 1\right )}^{\frac {3}{2}} x \arcsin \left (a x\right )^{3}}{4 \, a^{4}} - \frac {5 \, \sqrt {-a^{2} x^{2} + 1} x \arcsin \left (a x\right )^{3}}{8 \, a^{4}} - \frac {3 \, {\left (-a^{2} x^{2} + 1\right )}^{\frac {3}{2}} x \arcsin \left (a x\right )}{32 \, a^{4}} + \frac {3 \, {\left (a^{2} x^{2} - 1\right )}^{2} \arcsin \left (a x\right )^{2}}{16 \, a^{5}} + \frac {3 \, \arcsin \left (a x\right )^{4}}{32 \, a^{5}} + \frac {51 \, \sqrt {-a^{2} x^{2} + 1} x \arcsin \left (a x\right )}{64 \, a^{4}} + \frac {15 \, {\left (a^{2} x^{2} - 1\right )} \arcsin \left (a x\right )^{2}}{16 \, a^{5}} - \frac {3 \, {\left (a^{2} x^{2} - 1\right )}^{2}}{128 \, a^{5}} + \frac {51 \, \arcsin \left (a x\right )^{2}}{128 \, a^{5}} - \frac {51 \, {\left (a^{2} x^{2} - 1\right )}}{128 \, a^{5}} - \frac {195}{1024 \, a^{5}} \]
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Timed out. \[ \int \frac {x^4 \arcsin (a x)^3}{\sqrt {1-a^2 x^2}} \, dx=\int \frac {x^4\,{\mathrm {asin}\left (a\,x\right )}^3}{\sqrt {1-a^2\,x^2}} \,d x \]
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