Integrand size = 6, antiderivative size = 78 \[ \int \frac {1}{\arcsin (a x)^4} \, dx=-\frac {\sqrt {1-a^2 x^2}}{3 a \arcsin (a x)^3}+\frac {x}{6 \arcsin (a x)^2}+\frac {\sqrt {1-a^2 x^2}}{6 a \arcsin (a x)}+\frac {\text {Si}(\arcsin (a x))}{6 a} \]
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Time = 0.09 (sec) , antiderivative size = 78, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.667, Rules used = {4717, 4807, 4809, 3380} \[ \int \frac {1}{\arcsin (a x)^4} \, dx=\frac {\sqrt {1-a^2 x^2}}{6 a \arcsin (a x)}-\frac {\sqrt {1-a^2 x^2}}{3 a \arcsin (a x)^3}+\frac {\text {Si}(\arcsin (a x))}{6 a}+\frac {x}{6 \arcsin (a x)^2} \]
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Rule 3380
Rule 4717
Rule 4807
Rule 4809
Rubi steps \begin{align*} \text {integral}& = -\frac {\sqrt {1-a^2 x^2}}{3 a \arcsin (a x)^3}-\frac {1}{3} a \int \frac {x}{\sqrt {1-a^2 x^2} \arcsin (a x)^3} \, dx \\ & = -\frac {\sqrt {1-a^2 x^2}}{3 a \arcsin (a x)^3}+\frac {x}{6 \arcsin (a x)^2}-\frac {1}{6} \int \frac {1}{\arcsin (a x)^2} \, dx \\ & = -\frac {\sqrt {1-a^2 x^2}}{3 a \arcsin (a x)^3}+\frac {x}{6 \arcsin (a x)^2}+\frac {\sqrt {1-a^2 x^2}}{6 a \arcsin (a x)}+\frac {1}{6} a \int \frac {x}{\sqrt {1-a^2 x^2} \arcsin (a x)} \, dx \\ & = -\frac {\sqrt {1-a^2 x^2}}{3 a \arcsin (a x)^3}+\frac {x}{6 \arcsin (a x)^2}+\frac {\sqrt {1-a^2 x^2}}{6 a \arcsin (a x)}+\frac {\text {Subst}\left (\int \frac {\sin (x)}{x} \, dx,x,\arcsin (a x)\right )}{6 a} \\ & = -\frac {\sqrt {1-a^2 x^2}}{3 a \arcsin (a x)^3}+\frac {x}{6 \arcsin (a x)^2}+\frac {\sqrt {1-a^2 x^2}}{6 a \arcsin (a x)}+\frac {\text {Si}(\arcsin (a x))}{6 a} \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.90 \[ \int \frac {1}{\arcsin (a x)^4} \, dx=\frac {-2 \sqrt {1-a^2 x^2}+a x \arcsin (a x)+\sqrt {1-a^2 x^2} \arcsin (a x)^2+\arcsin (a x)^3 \text {Si}(\arcsin (a x))}{6 a \arcsin (a x)^3} \]
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Time = 0.03 (sec) , antiderivative size = 63, normalized size of antiderivative = 0.81
method | result | size |
derivativedivides | \(\frac {-\frac {\sqrt {-a^{2} x^{2}+1}}{3 \arcsin \left (a x \right )^{3}}+\frac {a x}{6 \arcsin \left (a x \right )^{2}}+\frac {\sqrt {-a^{2} x^{2}+1}}{6 \arcsin \left (a x \right )}+\frac {\operatorname {Si}\left (\arcsin \left (a x \right )\right )}{6}}{a}\) | \(63\) |
default | \(\frac {-\frac {\sqrt {-a^{2} x^{2}+1}}{3 \arcsin \left (a x \right )^{3}}+\frac {a x}{6 \arcsin \left (a x \right )^{2}}+\frac {\sqrt {-a^{2} x^{2}+1}}{6 \arcsin \left (a x \right )}+\frac {\operatorname {Si}\left (\arcsin \left (a x \right )\right )}{6}}{a}\) | \(63\) |
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\[ \int \frac {1}{\arcsin (a x)^4} \, dx=\int { \frac {1}{\arcsin \left (a x\right )^{4}} \,d x } \]
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\[ \int \frac {1}{\arcsin (a x)^4} \, dx=\int \frac {1}{\operatorname {asin}^{4}{\left (a x \right )}}\, dx \]
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\[ \int \frac {1}{\arcsin (a x)^4} \, dx=\int { \frac {1}{\arcsin \left (a x\right )^{4}} \,d x } \]
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Time = 0.26 (sec) , antiderivative size = 66, normalized size of antiderivative = 0.85 \[ \int \frac {1}{\arcsin (a x)^4} \, dx=\frac {\operatorname {Si}\left (\arcsin \left (a x\right )\right )}{6 \, a} + \frac {x}{6 \, \arcsin \left (a x\right )^{2}} + \frac {\sqrt {-a^{2} x^{2} + 1}}{6 \, a \arcsin \left (a x\right )} - \frac {\sqrt {-a^{2} x^{2} + 1}}{3 \, a \arcsin \left (a x\right )^{3}} \]
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Timed out. \[ \int \frac {1}{\arcsin (a x)^4} \, dx=\int \frac {1}{{\mathrm {asin}\left (a\,x\right )}^4} \,d x \]
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