Integrand size = 26, antiderivative size = 144 \[ \int \frac {A+B x^2}{\sqrt {e x} \left (a+b x^2\right )^{3/2}} \, dx=\frac {(A b-a B) \sqrt {e x}}{a b e \sqrt {a+b x^2}}+\frac {(A b+a B) \left (\sqrt {a}+\sqrt {b} x\right ) \sqrt {\frac {a+b x^2}{\left (\sqrt {a}+\sqrt {b} x\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{b} \sqrt {e x}}{\sqrt [4]{a} \sqrt {e}}\right ),\frac {1}{2}\right )}{2 a^{5/4} b^{5/4} \sqrt {e} \sqrt {a+b x^2}} \]
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Time = 0.07 (sec) , antiderivative size = 144, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {468, 335, 226} \[ \int \frac {A+B x^2}{\sqrt {e x} \left (a+b x^2\right )^{3/2}} \, dx=\frac {\left (\sqrt {a}+\sqrt {b} x\right ) \sqrt {\frac {a+b x^2}{\left (\sqrt {a}+\sqrt {b} x\right )^2}} (a B+A b) \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{b} \sqrt {e x}}{\sqrt [4]{a} \sqrt {e}}\right ),\frac {1}{2}\right )}{2 a^{5/4} b^{5/4} \sqrt {e} \sqrt {a+b x^2}}+\frac {\sqrt {e x} (A b-a B)}{a b e \sqrt {a+b x^2}} \]
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Rule 226
Rule 335
Rule 468
Rubi steps \begin{align*} \text {integral}& = \frac {(A b-a B) \sqrt {e x}}{a b e \sqrt {a+b x^2}}+\frac {(A b+a B) \int \frac {1}{\sqrt {e x} \sqrt {a+b x^2}} \, dx}{2 a b} \\ & = \frac {(A b-a B) \sqrt {e x}}{a b e \sqrt {a+b x^2}}+\frac {(A b+a B) \text {Subst}\left (\int \frac {1}{\sqrt {a+\frac {b x^4}{e^2}}} \, dx,x,\sqrt {e x}\right )}{a b e} \\ & = \frac {(A b-a B) \sqrt {e x}}{a b e \sqrt {a+b x^2}}+\frac {(A b+a B) \left (\sqrt {a}+\sqrt {b} x\right ) \sqrt {\frac {a+b x^2}{\left (\sqrt {a}+\sqrt {b} x\right )^2}} F\left (2 \tan ^{-1}\left (\frac {\sqrt [4]{b} \sqrt {e x}}{\sqrt [4]{a} \sqrt {e}}\right )|\frac {1}{2}\right )}{2 a^{5/4} b^{5/4} \sqrt {e} \sqrt {a+b x^2}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 10.04 (sec) , antiderivative size = 75, normalized size of antiderivative = 0.52 \[ \int \frac {A+B x^2}{\sqrt {e x} \left (a+b x^2\right )^{3/2}} \, dx=\frac {x \left (A b-a B+(A b+a B) \sqrt {1+\frac {b x^2}{a}} \operatorname {Hypergeometric2F1}\left (\frac {1}{4},\frac {1}{2},\frac {5}{4},-\frac {b x^2}{a}\right )\right )}{a b \sqrt {e x} \sqrt {a+b x^2}} \]
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Time = 3.01 (sec) , antiderivative size = 191, normalized size of antiderivative = 1.33
method | result | size |
elliptic | \(\frac {\sqrt {\left (b \,x^{2}+a \right ) e x}\, \left (\frac {x \left (A b -B a \right )}{b a \sqrt {\left (x^{2}+\frac {a}{b}\right ) b e x}}+\frac {\left (\frac {B}{b}+\frac {A b -B a}{2 a b}\right ) \sqrt {-a b}\, \sqrt {\frac {\left (x +\frac {\sqrt {-a b}}{b}\right ) b}{\sqrt {-a b}}}\, \sqrt {-\frac {2 \left (x -\frac {\sqrt {-a b}}{b}\right ) b}{\sqrt {-a b}}}\, \sqrt {-\frac {x b}{\sqrt {-a b}}}\, F\left (\sqrt {\frac {\left (x +\frac {\sqrt {-a b}}{b}\right ) b}{\sqrt {-a b}}}, \frac {\sqrt {2}}{2}\right )}{b \sqrt {b e \,x^{3}+a e x}}\right )}{\sqrt {e x}\, \sqrt {b \,x^{2}+a}}\) | \(191\) |
default | \(\frac {A \sqrt {2}\, \sqrt {-a b}\, \sqrt {\frac {b x +\sqrt {-a b}}{\sqrt {-a b}}}\, \sqrt {\frac {-b x +\sqrt {-a b}}{\sqrt {-a b}}}\, \sqrt {-\frac {x b}{\sqrt {-a b}}}\, F\left (\sqrt {\frac {b x +\sqrt {-a b}}{\sqrt {-a b}}}, \frac {\sqrt {2}}{2}\right ) b +B \sqrt {2}\, \sqrt {-a b}\, \sqrt {\frac {b x +\sqrt {-a b}}{\sqrt {-a b}}}\, \sqrt {\frac {-b x +\sqrt {-a b}}{\sqrt {-a b}}}\, \sqrt {-\frac {x b}{\sqrt {-a b}}}\, F\left (\sqrt {\frac {b x +\sqrt {-a b}}{\sqrt {-a b}}}, \frac {\sqrt {2}}{2}\right ) a +2 A \,b^{2} x -2 B a b x}{2 \sqrt {b \,x^{2}+a}\, a \sqrt {e x}\, b^{2}}\) | \(213\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.08 (sec) , antiderivative size = 88, normalized size of antiderivative = 0.61 \[ \int \frac {A+B x^2}{\sqrt {e x} \left (a+b x^2\right )^{3/2}} \, dx=\frac {{\left (B a^{2} + A a b + {\left (B a b + A b^{2}\right )} x^{2}\right )} \sqrt {b e} {\rm weierstrassPInverse}\left (-\frac {4 \, a}{b}, 0, x\right ) - {\left (B a b - A b^{2}\right )} \sqrt {b x^{2} + a} \sqrt {e x}}{a b^{3} e x^{2} + a^{2} b^{2} e} \]
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Result contains complex when optimal does not.
Time = 8.24 (sec) , antiderivative size = 94, normalized size of antiderivative = 0.65 \[ \int \frac {A+B x^2}{\sqrt {e x} \left (a+b x^2\right )^{3/2}} \, dx=\frac {A \sqrt {x} \Gamma \left (\frac {1}{4}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{4}, \frac {3}{2} \\ \frac {5}{4} \end {matrix}\middle | {\frac {b x^{2} e^{i \pi }}{a}} \right )}}{2 a^{\frac {3}{2}} \sqrt {e} \Gamma \left (\frac {5}{4}\right )} + \frac {B x^{\frac {5}{2}} \Gamma \left (\frac {5}{4}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {5}{4}, \frac {3}{2} \\ \frac {9}{4} \end {matrix}\middle | {\frac {b x^{2} e^{i \pi }}{a}} \right )}}{2 a^{\frac {3}{2}} \sqrt {e} \Gamma \left (\frac {9}{4}\right )} \]
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\[ \int \frac {A+B x^2}{\sqrt {e x} \left (a+b x^2\right )^{3/2}} \, dx=\int { \frac {B x^{2} + A}{{\left (b x^{2} + a\right )}^{\frac {3}{2}} \sqrt {e x}} \,d x } \]
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\[ \int \frac {A+B x^2}{\sqrt {e x} \left (a+b x^2\right )^{3/2}} \, dx=\int { \frac {B x^{2} + A}{{\left (b x^{2} + a\right )}^{\frac {3}{2}} \sqrt {e x}} \,d x } \]
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Timed out. \[ \int \frac {A+B x^2}{\sqrt {e x} \left (a+b x^2\right )^{3/2}} \, dx=\int \frac {B\,x^2+A}{\sqrt {e\,x}\,{\left (b\,x^2+a\right )}^{3/2}} \,d x \]
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