Optimal. Leaf size=17 \[ -\frac{1}{\sqrt{1-x^2} \sin ^{-1}(x)} \]
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Rubi [A] time = 0.12504, antiderivative size = 17, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 33, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.03, Rules used = {4659} \[ -\frac{1}{\sqrt{1-x^2} \sin ^{-1}(x)} \]
Antiderivative was successfully verified.
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Rule 4659
Rubi steps
\begin{align*} \int \left (\frac{1}{\left (1-x^2\right ) \sin ^{-1}(x)^2}-\frac{x}{\left (1-x^2\right )^{3/2} \sin ^{-1}(x)}\right ) \, dx &=\int \frac{1}{\left (1-x^2\right ) \sin ^{-1}(x)^2} \, dx-\int \frac{x}{\left (1-x^2\right )^{3/2} \sin ^{-1}(x)} \, dx\\ &=-\frac{1}{\sqrt{1-x^2} \sin ^{-1}(x)}\\ \end{align*}
Mathematica [A] time = 0.150456, size = 17, normalized size = 1. \[ -\frac{1}{\sqrt{1-x^2} \sin ^{-1}(x)} \]
Antiderivative was successfully verified.
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Maple [F] time = 1.068, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{ \left ( \arcsin \left ( x \right ) \right ) ^{2} \left ( -{x}^{2}+1 \right ) }}-{\frac{x}{\arcsin \left ( x \right ) } \left ( -{x}^{2}+1 \right ) ^{-{\frac{3}{2}}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 3.10865, size = 50, normalized size = 2.94 \begin{align*} \frac{\sqrt{x + 1} \sqrt{-x + 1}}{{\left (x^{2} - 1\right )} \arctan \left (x, \sqrt{x + 1} \sqrt{-x + 1}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.67678, size = 51, normalized size = 3. \begin{align*} \frac{\sqrt{-x^{2} + 1}}{{\left (x^{2} - 1\right )} \arcsin \left (x\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (x - 1\right ) \left (x + 1\right ) \left (x \operatorname{asin}{\left (x \right )} - \sqrt{1 - x^{2}}\right )}{\left (- \left (x - 1\right ) \left (x + 1\right )\right )^{\frac{5}{2}} \operatorname{asin}^{2}{\left (x \right )}}\, dx \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{x}{{\left (-x^{2} + 1\right )}^{\frac{3}{2}} \arcsin \left (x\right )} - \frac{1}{{\left (x^{2} - 1\right )} \arcsin \left (x\right )^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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