Integrand size = 34, antiderivative size = 51 \[ \int \frac {x^{\frac {3}{2} (-1+n)}}{\left (a x^{-1+n}+b x^n+c x^{1+n}\right )^{3/2}} \, dx=-\frac {2 x^{\frac {1}{2} (-1+n)} (b+2 c x)}{\left (b^2-4 a c\right ) \sqrt {a x^{-1+n}+b x^n+c x^{1+n}}} \]
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Time = 0.03 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.029, Rules used = {1929} \[ \int \frac {x^{\frac {3}{2} (-1+n)}}{\left (a x^{-1+n}+b x^n+c x^{1+n}\right )^{3/2}} \, dx=-\frac {2 x^{\frac {n-1}{2}} (b+2 c x)}{\left (b^2-4 a c\right ) \sqrt {a x^{n-1}+b x^n+c x^{n+1}}} \]
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Rule 1929
Rubi steps \begin{align*} \text {integral}& = -\frac {2 x^{\frac {1}{2} (-1+n)} (b+2 c x)}{\left (b^2-4 a c\right ) \sqrt {a x^{-1+n}+b x^n+c x^{1+n}}} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.90 \[ \int \frac {x^{\frac {3}{2} (-1+n)}}{\left (a x^{-1+n}+b x^n+c x^{1+n}\right )^{3/2}} \, dx=-\frac {2 x^{\frac {1}{2} (-1+n)} (b+2 c x)}{\left (b^2-4 a c\right ) \sqrt {x^{-1+n} (a+x (b+c x))}} \]
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\[\int \frac {x^{-\frac {3}{2}+\frac {3 n}{2}}}{\left (a \,x^{-1+n}+b \,x^{n}+c \,x^{1+n}\right )^{\frac {3}{2}}}d x\]
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none
Time = 0.27 (sec) , antiderivative size = 83, normalized size of antiderivative = 1.63 \[ \int \frac {x^{\frac {3}{2} (-1+n)}}{\left (a x^{-1+n}+b x^n+c x^{1+n}\right )^{3/2}} \, dx=-\frac {2 \, {\left (2 \, c x^{2} + b x\right )} \sqrt {\frac {{\left (c x^{2} + b x + a\right )} x^{n + 1}}{x^{2}}}}{{\left (a b^{2} - 4 \, a^{2} c + {\left (b^{2} c - 4 \, a c^{2}\right )} x^{2} + {\left (b^{3} - 4 \, a b c\right )} x\right )} x^{\frac {1}{2} \, n + \frac {1}{2}}} \]
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\[ \int \frac {x^{\frac {3}{2} (-1+n)}}{\left (a x^{-1+n}+b x^n+c x^{1+n}\right )^{3/2}} \, dx=\int \frac {x^{\frac {3 n}{2} - \frac {3}{2}}}{\left (a x^{n - 1} + b x^{n} + c x^{n + 1}\right )^{\frac {3}{2}}}\, dx \]
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\[ \int \frac {x^{\frac {3}{2} (-1+n)}}{\left (a x^{-1+n}+b x^n+c x^{1+n}\right )^{3/2}} \, dx=\int { \frac {x^{\frac {3}{2} \, n - \frac {3}{2}}}{{\left (c x^{n + 1} + a x^{n - 1} + b x^{n}\right )}^{\frac {3}{2}}} \,d x } \]
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\[ \int \frac {x^{\frac {3}{2} (-1+n)}}{\left (a x^{-1+n}+b x^n+c x^{1+n}\right )^{3/2}} \, dx=\int { \frac {x^{\frac {3}{2} \, n - \frac {3}{2}}}{{\left (c x^{n + 1} + a x^{n - 1} + b x^{n}\right )}^{\frac {3}{2}}} \,d x } \]
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Timed out. \[ \int \frac {x^{\frac {3}{2} (-1+n)}}{\left (a x^{-1+n}+b x^n+c x^{1+n}\right )^{3/2}} \, dx=\int \frac {x^{\frac {3\,n}{2}-\frac {3}{2}}}{{\left (b\,x^n+a\,x^{n-1}+c\,x^{n+1}\right )}^{3/2}} \,d x \]
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