Integrand size = 17, antiderivative size = 44 \[ \int \frac {(c x)^m}{\left (1+\frac {b}{x^2}\right )^{3/2}} \, dx=\frac {(c x)^{1+m} \operatorname {Hypergeometric2F1}\left (\frac {3}{2},\frac {1}{2} (-1-m),\frac {1-m}{2},-\frac {b}{x^2}\right )}{c (1+m)} \]
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Time = 0.01 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {346, 371} \[ \int \frac {(c x)^m}{\left (1+\frac {b}{x^2}\right )^{3/2}} \, dx=\frac {(c x)^{m+1} \operatorname {Hypergeometric2F1}\left (\frac {3}{2},\frac {1}{2} (-m-1),\frac {1-m}{2},-\frac {b}{x^2}\right )}{c (m+1)} \]
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Rule 346
Rule 371
Rubi steps \begin{align*} \text {integral}& = -\frac {\left (\left (\frac {1}{x}\right )^{1+m} (c x)^{1+m}\right ) \text {Subst}\left (\int \frac {x^{-2-m}}{\left (1+b x^2\right )^{3/2}} \, dx,x,\frac {1}{x}\right )}{c} \\ & = \frac {(c x)^{1+m} \, _2F_1\left (\frac {3}{2},\frac {1}{2} (-1-m);\frac {1-m}{2};-\frac {b}{x^2}\right )}{c (1+m)} \\ \end{align*}
Time = 0.29 (sec) , antiderivative size = 67, normalized size of antiderivative = 1.52 \[ \int \frac {(c x)^m}{\left (1+\frac {b}{x^2}\right )^{3/2}} \, dx=\frac {x^3 (c x)^m \sqrt {\frac {b+x^2}{b}} \operatorname {Hypergeometric2F1}\left (\frac {3}{2},2+\frac {m}{2},3+\frac {m}{2},-\frac {x^2}{b}\right )}{b (4+m) \sqrt {1+\frac {b}{x^2}}} \]
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\[\int \frac {\left (c x \right )^{m}}{\left (1+\frac {b}{x^{2}}\right )^{\frac {3}{2}}}d x\]
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\[ \int \frac {(c x)^m}{\left (1+\frac {b}{x^2}\right )^{3/2}} \, dx=\int { \frac {\left (c x\right )^{m}}{{\left (\frac {b}{x^{2}} + 1\right )}^{\frac {3}{2}}} \,d x } \]
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Result contains complex when optimal does not.
Time = 1.01 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.23 \[ \int \frac {(c x)^m}{\left (1+\frac {b}{x^2}\right )^{3/2}} \, dx=- \frac {c^{m} x^{m + 1} \Gamma \left (- \frac {m}{2} - \frac {1}{2}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {3}{2}, - \frac {m}{2} - \frac {1}{2} \\ \frac {1}{2} - \frac {m}{2} \end {matrix}\middle | {\frac {b e^{i \pi }}{x^{2}}} \right )}}{2 \Gamma \left (\frac {1}{2} - \frac {m}{2}\right )} \]
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\[ \int \frac {(c x)^m}{\left (1+\frac {b}{x^2}\right )^{3/2}} \, dx=\int { \frac {\left (c x\right )^{m}}{{\left (\frac {b}{x^{2}} + 1\right )}^{\frac {3}{2}}} \,d x } \]
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\[ \int \frac {(c x)^m}{\left (1+\frac {b}{x^2}\right )^{3/2}} \, dx=\int { \frac {\left (c x\right )^{m}}{{\left (\frac {b}{x^{2}} + 1\right )}^{\frac {3}{2}}} \,d x } \]
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Timed out. \[ \int \frac {(c x)^m}{\left (1+\frac {b}{x^2}\right )^{3/2}} \, dx=\int \frac {{\left (c\,x\right )}^m}{{\left (\frac {b}{x^2}+1\right )}^{3/2}} \,d x \]
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