Integrand size = 28, antiderivative size = 65 \[ \int \frac {1}{x^2 \left (a^2+2 a b x^n+b^2 x^{2 n}\right )^{3/2}} \, dx=-\frac {\left (a+b x^n\right ) \operatorname {Hypergeometric2F1}\left (3,-\frac {1}{n},-\frac {1-n}{n},-\frac {b x^n}{a}\right )}{a^3 x \sqrt {a^2+2 a b x^n+b^2 x^{2 n}}} \]
[Out]
Time = 0.02 (sec) , antiderivative size = 65, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {1369, 371} \[ \int \frac {1}{x^2 \left (a^2+2 a b x^n+b^2 x^{2 n}\right )^{3/2}} \, dx=-\frac {\left (a+b x^n\right ) \operatorname {Hypergeometric2F1}\left (3,-\frac {1}{n},-\frac {1-n}{n},-\frac {b x^n}{a}\right )}{a^3 x \sqrt {a^2+2 a b x^n+b^2 x^{2 n}}} \]
[In]
[Out]
Rule 371
Rule 1369
Rubi steps \begin{align*} \text {integral}& = \frac {\left (b^2 \left (a b+b^2 x^n\right )\right ) \int \frac {1}{x^2 \left (a b+b^2 x^n\right )^3} \, dx}{\sqrt {a^2+2 a b x^n+b^2 x^{2 n}}} \\ & = -\frac {\left (a+b x^n\right ) \, _2F_1\left (3,-\frac {1}{n};-\frac {1-n}{n};-\frac {b x^n}{a}\right )}{a^3 x \sqrt {a^2+2 a b x^n+b^2 x^{2 n}}} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.82 \[ \int \frac {1}{x^2 \left (a^2+2 a b x^n+b^2 x^{2 n}\right )^{3/2}} \, dx=-\frac {\left (a+b x^n\right )^3 \operatorname {Hypergeometric2F1}\left (3,-\frac {1}{n},1-\frac {1}{n},-\frac {b x^n}{a}\right )}{a^3 x \left (\left (a+b x^n\right )^2\right )^{3/2}} \]
[In]
[Out]
\[\int \frac {1}{x^{2} \left (a^{2}+2 a b \,x^{n}+b^{2} x^{2 n}\right )^{\frac {3}{2}}}d x\]
[In]
[Out]
\[ \int \frac {1}{x^2 \left (a^2+2 a b x^n+b^2 x^{2 n}\right )^{3/2}} \, dx=\int { \frac {1}{{\left (b^{2} x^{2 \, n} + 2 \, a b x^{n} + a^{2}\right )}^{\frac {3}{2}} x^{2}} \,d x } \]
[In]
[Out]
\[ \int \frac {1}{x^2 \left (a^2+2 a b x^n+b^2 x^{2 n}\right )^{3/2}} \, dx=\int \frac {1}{x^{2} \left (\left (a + b x^{n}\right )^{2}\right )^{\frac {3}{2}}}\, dx \]
[In]
[Out]
\[ \int \frac {1}{x^2 \left (a^2+2 a b x^n+b^2 x^{2 n}\right )^{3/2}} \, dx=\int { \frac {1}{{\left (b^{2} x^{2 \, n} + 2 \, a b x^{n} + a^{2}\right )}^{\frac {3}{2}} x^{2}} \,d x } \]
[In]
[Out]
\[ \int \frac {1}{x^2 \left (a^2+2 a b x^n+b^2 x^{2 n}\right )^{3/2}} \, dx=\int { \frac {1}{{\left (b^{2} x^{2 \, n} + 2 \, a b x^{n} + a^{2}\right )}^{\frac {3}{2}} x^{2}} \,d x } \]
[In]
[Out]
Timed out. \[ \int \frac {1}{x^2 \left (a^2+2 a b x^n+b^2 x^{2 n}\right )^{3/2}} \, dx=\int \frac {1}{x^2\,{\left (a^2+b^2\,x^{2\,n}+2\,a\,b\,x^n\right )}^{3/2}} \,d x \]
[In]
[Out]