Integrand size = 21, antiderivative size = 90 \[ \int \frac {\sqrt {x}}{\sqrt {b x^2+c x^4}} \, dx=\frac {x \left (\sqrt {b}+\sqrt {c} x\right ) \sqrt {\frac {b+c x^2}{\left (\sqrt {b}+\sqrt {c} x\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{c} \sqrt {x}}{\sqrt [4]{b}}\right ),\frac {1}{2}\right )}{\sqrt [4]{b} \sqrt [4]{c} \sqrt {b x^2+c x^4}} \]
[Out]
Time = 0.06 (sec) , antiderivative size = 90, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {2057, 335, 226} \[ \int \frac {\sqrt {x}}{\sqrt {b x^2+c x^4}} \, dx=\frac {x \left (\sqrt {b}+\sqrt {c} x\right ) \sqrt {\frac {b+c x^2}{\left (\sqrt {b}+\sqrt {c} x\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{c} \sqrt {x}}{\sqrt [4]{b}}\right ),\frac {1}{2}\right )}{\sqrt [4]{b} \sqrt [4]{c} \sqrt {b x^2+c x^4}} \]
[In]
[Out]
Rule 226
Rule 335
Rule 2057
Rubi steps \begin{align*} \text {integral}& = \frac {\left (x \sqrt {b+c x^2}\right ) \int \frac {1}{\sqrt {x} \sqrt {b+c x^2}} \, dx}{\sqrt {b x^2+c x^4}} \\ & = \frac {\left (2 x \sqrt {b+c x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {b+c x^4}} \, dx,x,\sqrt {x}\right )}{\sqrt {b x^2+c x^4}} \\ & = \frac {x \left (\sqrt {b}+\sqrt {c} x\right ) \sqrt {\frac {b+c x^2}{\left (\sqrt {b}+\sqrt {c} x\right )^2}} F\left (2 \tan ^{-1}\left (\frac {\sqrt [4]{c} \sqrt {x}}{\sqrt [4]{b}}\right )|\frac {1}{2}\right )}{\sqrt [4]{b} \sqrt [4]{c} \sqrt {b x^2+c x^4}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 10.02 (sec) , antiderivative size = 55, normalized size of antiderivative = 0.61 \[ \int \frac {\sqrt {x}}{\sqrt {b x^2+c x^4}} \, dx=\frac {2 x^{3/2} \sqrt {1+\frac {c x^2}{b}} \operatorname {Hypergeometric2F1}\left (\frac {1}{4},\frac {1}{2},\frac {5}{4},-\frac {c x^2}{b}\right )}{\sqrt {x^2 \left (b+c x^2\right )}} \]
[In]
[Out]
Time = 0.20 (sec) , antiderivative size = 106, normalized size of antiderivative = 1.18
method | result | size |
default | \(\frac {\sqrt {x}\, \sqrt {-b c}\, \sqrt {\frac {c x +\sqrt {-b c}}{\sqrt {-b c}}}\, \sqrt {2}\, \sqrt {\frac {-c x +\sqrt {-b c}}{\sqrt {-b c}}}\, \sqrt {-\frac {x c}{\sqrt {-b c}}}\, F\left (\sqrt {\frac {c x +\sqrt {-b c}}{\sqrt {-b c}}}, \frac {\sqrt {2}}{2}\right )}{\sqrt {c \,x^{4}+b \,x^{2}}\, c}\) | \(106\) |
[In]
[Out]
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.07 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.16 \[ \int \frac {\sqrt {x}}{\sqrt {b x^2+c x^4}} \, dx=\frac {2 \, {\rm weierstrassPInverse}\left (-\frac {4 \, b}{c}, 0, x\right )}{\sqrt {c}} \]
[In]
[Out]
\[ \int \frac {\sqrt {x}}{\sqrt {b x^2+c x^4}} \, dx=\int \frac {\sqrt {x}}{\sqrt {x^{2} \left (b + c x^{2}\right )}}\, dx \]
[In]
[Out]
\[ \int \frac {\sqrt {x}}{\sqrt {b x^2+c x^4}} \, dx=\int { \frac {\sqrt {x}}{\sqrt {c x^{4} + b x^{2}}} \,d x } \]
[In]
[Out]
\[ \int \frac {\sqrt {x}}{\sqrt {b x^2+c x^4}} \, dx=\int { \frac {\sqrt {x}}{\sqrt {c x^{4} + b x^{2}}} \,d x } \]
[In]
[Out]
Timed out. \[ \int \frac {\sqrt {x}}{\sqrt {b x^2+c x^4}} \, dx=\int \frac {\sqrt {x}}{\sqrt {c\,x^4+b\,x^2}} \,d x \]
[In]
[Out]