Optimal. Leaf size=8 \[ \frac{1}{5} \sin ^{-1}\left (x^5\right ) \]
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Rubi [A] time = 0.0040674, antiderivative size = 8, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {275, 216} \[ \frac{1}{5} \sin ^{-1}\left (x^5\right ) \]
Antiderivative was successfully verified.
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Rule 275
Rule 216
Rubi steps
\begin{align*} \int \frac{x^4}{\sqrt{1-x^{10}}} \, dx &=\frac{1}{5} \operatorname{Subst}\left (\int \frac{1}{\sqrt{1-x^2}} \, dx,x,x^5\right )\\ &=\frac{1}{5} \sin ^{-1}\left (x^5\right )\\ \end{align*}
Mathematica [A] time = 0.0029524, size = 8, normalized size = 1. \[ \frac{1}{5} \sin ^{-1}\left (x^5\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.035, size = 7, normalized size = 0.9 \begin{align*}{\frac{\arcsin \left ({x}^{5} \right ) }{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.45228, size = 22, normalized size = 2.75 \begin{align*} -\frac{1}{5} \, \arctan \left (\frac{\sqrt{-x^{10} + 1}}{x^{5}}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.53108, size = 54, normalized size = 6.75 \begin{align*} -\frac{2}{5} \, \arctan \left (\frac{\sqrt{-x^{10} + 1} - 1}{x^{5}}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.98542, size = 19, normalized size = 2.38 \begin{align*} \begin{cases} - \frac{i \operatorname{acosh}{\left (x^{5} \right )}}{5} & \text{for}\: \left |{x^{10}}\right | > 1 \\\frac{\operatorname{asin}{\left (x^{5} \right )}}{5} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.24473, size = 8, normalized size = 1. \begin{align*} \frac{1}{5} \, \arcsin \left (x^{5}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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