Optimal. Leaf size=72 \[ -\frac {a+b \text {ArcSin}\left (c x^n\right )}{2 x^2}-\frac {b c n x^{-2+n} \, _2F_1\left (\frac {1}{2},\frac {1}{2} \left (1-\frac {2}{n}\right );\frac {1}{2} \left (3-\frac {2}{n}\right );c^2 x^{2 n}\right )}{2 (2-n)} \]
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Rubi [A]
time = 0.03, antiderivative size = 72, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.214, Rules used = {4926, 12, 371}
\begin {gather*} -\frac {a+b \text {ArcSin}\left (c x^n\right )}{2 x^2}-\frac {b c n x^{n-2} \, _2F_1\left (\frac {1}{2},\frac {1}{2} \left (1-\frac {2}{n}\right );\frac {1}{2} \left (3-\frac {2}{n}\right );c^2 x^{2 n}\right )}{2 (2-n)} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 371
Rule 4926
Rubi steps
\begin {align*} \int \frac {a+b \sin ^{-1}\left (c x^n\right )}{x^3} \, dx &=-\frac {a+b \sin ^{-1}\left (c x^n\right )}{2 x^2}+\frac {1}{2} b \int \frac {c n x^{-3+n}}{\sqrt {1-c^2 x^{2 n}}} \, dx\\ &=-\frac {a+b \sin ^{-1}\left (c x^n\right )}{2 x^2}+\frac {1}{2} (b c n) \int \frac {x^{-3+n}}{\sqrt {1-c^2 x^{2 n}}} \, dx\\ &=-\frac {a+b \sin ^{-1}\left (c x^n\right )}{2 x^2}-\frac {b c n x^{-2+n} \, _2F_1\left (\frac {1}{2},\frac {1}{2} \left (1-\frac {2}{n}\right );\frac {1}{2} \left (3-\frac {2}{n}\right );c^2 x^{2 n}\right )}{2 (2-n)}\\ \end {align*}
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Mathematica [A]
time = 0.04, size = 75, normalized size = 1.04 \begin {gather*} -\frac {a}{2 x^2}-\frac {b \text {ArcSin}\left (c x^n\right )}{2 x^2}+\frac {b c n x^{-2+n} \, _2F_1\left (\frac {1}{2},\frac {-2+n}{2 n};1+\frac {-2+n}{2 n};c^2 x^{2 n}\right )}{2 (-2+n)} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.00, size = 0, normalized size = 0.00 \[\int \frac {a +b \arcsin \left (c \,x^{n}\right )}{x^{3}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] Result contains complex when optimal does not.
time = 5.06, size = 61, normalized size = 0.85 \begin {gather*} - \frac {a}{2 x^{2}} - \frac {b \operatorname {asin}{\left (c x^{n} \right )}}{2 x^{2}} - \frac {i b \Gamma \left (- \frac {1}{n}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{2}, \frac {1}{n} \\ 1 + \frac {1}{n} \end {matrix}\middle | {\frac {x^{- 2 n}}{c^{2}}} \right )}}{4 x^{2} \Gamma \left (1 - \frac {1}{n}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {a+b\,\mathrm {asin}\left (c\,x^n\right )}{x^3} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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