Optimal. Leaf size=51 \[ -\frac {x^{m-1} \sqrt {a+b x^2} \, _2F_1\left (1,\frac {m}{2};\frac {m+1}{2};-\frac {b x^2}{a}\right )}{a (1-m)} \]
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Rubi [A] time = 0.02, antiderivative size = 66, normalized size of antiderivative = 1.29, number of steps used = 2, number of rules used = 2, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {365, 364} \[ -\frac {x^{m-1} \sqrt {\frac {b x^2}{a}+1} \, _2F_1\left (\frac {1}{2},\frac {m-1}{2};\frac {m+1}{2};-\frac {b x^2}{a}\right )}{(1-m) \sqrt {a+b x^2}} \]
Antiderivative was successfully verified.
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Rule 364
Rule 365
Rubi steps
\begin {align*} \int \frac {x^{-2+m}}{\sqrt {a+b x^2}} \, dx &=\frac {\sqrt {1+\frac {b x^2}{a}} \int \frac {x^{-2+m}}{\sqrt {1+\frac {b x^2}{a}}} \, dx}{\sqrt {a+b x^2}}\\ &=-\frac {x^{-1+m} \sqrt {1+\frac {b x^2}{a}} \, _2F_1\left (\frac {1}{2},\frac {1}{2} (-1+m);\frac {1+m}{2};-\frac {b x^2}{a}\right )}{(1-m) \sqrt {a+b x^2}}\\ \end {align*}
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Mathematica [A] time = 0.02, size = 65, normalized size = 1.27 \[ \frac {x^{m-1} \sqrt {\frac {b x^2}{a}+1} \, _2F_1\left (\frac {1}{2},\frac {m-1}{2};\frac {m-1}{2}+1;-\frac {b x^2}{a}\right )}{(m-1) \sqrt {a+b x^2}} \]
Antiderivative was successfully verified.
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fricas [F] time = 1.00, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\frac {x^{m - 2}}{\sqrt {b x^{2} + a}}, x\right ) \]
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 \[ \int \frac {x^{m - 2}}{\sqrt {b x^{2} + a}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.27, size = 0, normalized size = 0.00 \[ \int \frac {x^{m -2}}{\sqrt {b \,x^{2}+a}}\, dx \]
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 \[ \int \frac {x^{m - 2}}{\sqrt {b x^{2} + a}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.02 \[ \int \frac {x^{m-2}}{\sqrt {b\,x^2+a}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [C] time = 8.06, size = 53, normalized size = 1.04 \[ \frac {x^{m} \Gamma \left (\frac {m}{2} - \frac {1}{2}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{2}, \frac {m}{2} - \frac {1}{2} \\ \frac {m}{2} + \frac {1}{2} \end {matrix}\middle | {\frac {b x^{2} e^{i \pi }}{a}} \right )}}{2 \sqrt {a} x \Gamma \left (\frac {m}{2} + \frac {1}{2}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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