Integrand size = 28, antiderivative size = 193 \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{9/2} \sqrt {c+d x^2}} \, dx=-\frac {2 a^2 \sqrt {c+d x^2}}{7 c e (e x)^{7/2}}-\frac {2 a (14 b c-5 a d) \sqrt {c+d x^2}}{21 c^2 e^3 (e x)^{3/2}}+\frac {\left (21 b^2 c^2-14 a b c d+5 a^2 d^2\right ) \left (\sqrt {c}+\sqrt {d} x\right ) \sqrt {\frac {c+d x^2}{\left (\sqrt {c}+\sqrt {d} x\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{d} \sqrt {e x}}{\sqrt [4]{c} \sqrt {e}}\right ),\frac {1}{2}\right )}{21 c^{9/4} \sqrt [4]{d} e^{9/2} \sqrt {c+d x^2}} \]
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Time = 0.12 (sec) , antiderivative size = 193, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {473, 464, 335, 226} \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{9/2} \sqrt {c+d x^2}} \, dx=\frac {\left (\sqrt {c}+\sqrt {d} x\right ) \sqrt {\frac {c+d x^2}{\left (\sqrt {c}+\sqrt {d} x\right )^2}} \left (5 a^2 d^2-14 a b c d+21 b^2 c^2\right ) \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{d} \sqrt {e x}}{\sqrt [4]{c} \sqrt {e}}\right ),\frac {1}{2}\right )}{21 c^{9/4} \sqrt [4]{d} e^{9/2} \sqrt {c+d x^2}}-\frac {2 a^2 \sqrt {c+d x^2}}{7 c e (e x)^{7/2}}-\frac {2 a \sqrt {c+d x^2} (14 b c-5 a d)}{21 c^2 e^3 (e x)^{3/2}} \]
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Rule 226
Rule 335
Rule 464
Rule 473
Rubi steps \begin{align*} \text {integral}& = -\frac {2 a^2 \sqrt {c+d x^2}}{7 c e (e x)^{7/2}}+\frac {2 \int \frac {\frac {1}{2} a (14 b c-5 a d)+\frac {7}{2} b^2 c x^2}{(e x)^{5/2} \sqrt {c+d x^2}} \, dx}{7 c e^2} \\ & = -\frac {2 a^2 \sqrt {c+d x^2}}{7 c e (e x)^{7/2}}-\frac {2 a (14 b c-5 a d) \sqrt {c+d x^2}}{21 c^2 e^3 (e x)^{3/2}}-\frac {\left (4 \left (-\frac {21}{4} b^2 c^2+\frac {1}{4} a d (14 b c-5 a d)\right )\right ) \int \frac {1}{\sqrt {e x} \sqrt {c+d x^2}} \, dx}{21 c^2 e^4} \\ & = -\frac {2 a^2 \sqrt {c+d x^2}}{7 c e (e x)^{7/2}}-\frac {2 a (14 b c-5 a d) \sqrt {c+d x^2}}{21 c^2 e^3 (e x)^{3/2}}-\frac {\left (8 \left (-\frac {21}{4} b^2 c^2+\frac {1}{4} a d (14 b c-5 a d)\right )\right ) \text {Subst}\left (\int \frac {1}{\sqrt {c+\frac {d x^4}{e^2}}} \, dx,x,\sqrt {e x}\right )}{21 c^2 e^5} \\ & = -\frac {2 a^2 \sqrt {c+d x^2}}{7 c e (e x)^{7/2}}-\frac {2 a (14 b c-5 a d) \sqrt {c+d x^2}}{21 c^2 e^3 (e x)^{3/2}}+\frac {\left (21 b^2 c^2-a d (14 b c-5 a d)\right ) \left (\sqrt {c}+\sqrt {d} x\right ) \sqrt {\frac {c+d x^2}{\left (\sqrt {c}+\sqrt {d} x\right )^2}} F\left (2 \tan ^{-1}\left (\frac {\sqrt [4]{d} \sqrt {e x}}{\sqrt [4]{c} \sqrt {e}}\right )|\frac {1}{2}\right )}{21 c^{9/4} \sqrt [4]{d} e^{9/2} \sqrt {c+d x^2}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 11.15 (sec) , antiderivative size = 159, normalized size of antiderivative = 0.82 \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{9/2} \sqrt {c+d x^2}} \, dx=\frac {x^{9/2} \left (\frac {2 a \left (c+d x^2\right ) \left (-3 a c-14 b c x^2+5 a d x^2\right )}{c^2 x^{7/2}}+\frac {2 i \left (21 b^2 c^2-14 a b c d+5 a^2 d^2\right ) \sqrt {1+\frac {c}{d x^2}} x \operatorname {EllipticF}\left (i \text {arcsinh}\left (\frac {\sqrt {\frac {i \sqrt {c}}{\sqrt {d}}}}{\sqrt {x}}\right ),-1\right )}{c^2 \sqrt {\frac {i \sqrt {c}}{\sqrt {d}}}}\right )}{21 (e x)^{9/2} \sqrt {c+d x^2}} \]
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Time = 3.19 (sec) , antiderivative size = 212, normalized size of antiderivative = 1.10
method | result | size |
risch | \(-\frac {2 \sqrt {d \,x^{2}+c}\, a \left (-5 a d \,x^{2}+14 c b \,x^{2}+3 a c \right )}{21 c^{2} x^{3} e^{4} \sqrt {e x}}+\frac {\left (5 a^{2} d^{2}-14 a b c d +21 b^{2} c^{2}\right ) \sqrt {-c d}\, \sqrt {\frac {\left (x +\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}\, \sqrt {-\frac {2 \left (x -\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}\, \sqrt {-\frac {x d}{\sqrt {-c d}}}\, F\left (\sqrt {\frac {\left (x +\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}, \frac {\sqrt {2}}{2}\right ) \sqrt {e x \left (d \,x^{2}+c \right )}}{21 c^{2} d \sqrt {d e \,x^{3}+c e x}\, e^{4} \sqrt {e x}\, \sqrt {d \,x^{2}+c}}\) | \(212\) |
elliptic | \(\frac {\sqrt {e x \left (d \,x^{2}+c \right )}\, \left (-\frac {2 a^{2} \sqrt {d e \,x^{3}+c e x}}{7 e^{5} c \,x^{4}}+\frac {2 a \left (5 a d -14 b c \right ) \sqrt {d e \,x^{3}+c e x}}{21 e^{5} c^{2} x^{2}}+\frac {\left (\frac {b^{2}}{e^{4}}+\frac {d a \left (5 a d -14 b c \right )}{21 c^{2} e^{4}}\right ) \sqrt {-c d}\, \sqrt {\frac {\left (x +\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}\, \sqrt {-\frac {2 \left (x -\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}\, \sqrt {-\frac {x d}{\sqrt {-c d}}}\, F\left (\sqrt {\frac {\left (x +\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}, \frac {\sqrt {2}}{2}\right )}{d \sqrt {d e \,x^{3}+c e x}}\right )}{\sqrt {e x}\, \sqrt {d \,x^{2}+c}}\) | \(226\) |
default | \(\frac {5 \sqrt {2}\, \sqrt {-c d}\, \sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {\frac {-d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {-\frac {x d}{\sqrt {-c d}}}\, F\left (\sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}, \frac {\sqrt {2}}{2}\right ) a^{2} d^{2} x^{3}-14 \sqrt {2}\, \sqrt {-c d}\, \sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {\frac {-d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {-\frac {x d}{\sqrt {-c d}}}\, F\left (\sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}, \frac {\sqrt {2}}{2}\right ) a b c d \,x^{3}+21 \sqrt {2}\, \sqrt {-c d}\, \sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {\frac {-d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {-\frac {x d}{\sqrt {-c d}}}\, F\left (\sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}, \frac {\sqrt {2}}{2}\right ) b^{2} c^{2} x^{3}+10 a^{2} d^{3} x^{4}-28 a b c \,d^{2} x^{4}+4 a^{2} c \,d^{2} x^{2}-28 a b \,c^{2} d \,x^{2}-6 a^{2} c^{2} d}{21 \sqrt {d \,x^{2}+c}\, x^{3} d \,c^{2} e^{4} \sqrt {e x}}\) | \(370\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.08 (sec) , antiderivative size = 99, normalized size of antiderivative = 0.51 \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{9/2} \sqrt {c+d x^2}} \, dx=\frac {2 \, {\left ({\left (21 \, b^{2} c^{2} - 14 \, a b c d + 5 \, a^{2} d^{2}\right )} \sqrt {d e} x^{4} {\rm weierstrassPInverse}\left (-\frac {4 \, c}{d}, 0, x\right ) - {\left (3 \, a^{2} c d + {\left (14 \, a b c d - 5 \, a^{2} d^{2}\right )} x^{2}\right )} \sqrt {d x^{2} + c} \sqrt {e x}\right )}}{21 \, c^{2} d e^{5} x^{4}} \]
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Result contains complex when optimal does not.
Time = 70.80 (sec) , antiderivative size = 155, normalized size of antiderivative = 0.80 \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{9/2} \sqrt {c+d x^2}} \, dx=\frac {a^{2} \Gamma \left (- \frac {7}{4}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {7}{4}, \frac {1}{2} \\ - \frac {3}{4} \end {matrix}\middle | {\frac {d x^{2} e^{i \pi }}{c}} \right )}}{2 \sqrt {c} e^{\frac {9}{2}} x^{\frac {7}{2}} \Gamma \left (- \frac {3}{4}\right )} + \frac {a b \Gamma \left (- \frac {3}{4}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {3}{4}, \frac {1}{2} \\ \frac {1}{4} \end {matrix}\middle | {\frac {d x^{2} e^{i \pi }}{c}} \right )}}{\sqrt {c} e^{\frac {9}{2}} x^{\frac {3}{2}} \Gamma \left (\frac {1}{4}\right )} + \frac {b^{2} \sqrt {x} \Gamma \left (\frac {1}{4}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{4}, \frac {1}{2} \\ \frac {5}{4} \end {matrix}\middle | {\frac {d x^{2} e^{i \pi }}{c}} \right )}}{2 \sqrt {c} e^{\frac {9}{2}} \Gamma \left (\frac {5}{4}\right )} \]
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\[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{9/2} \sqrt {c+d x^2}} \, dx=\int { \frac {{\left (b x^{2} + a\right )}^{2}}{\sqrt {d x^{2} + c} \left (e x\right )^{\frac {9}{2}}} \,d x } \]
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\[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{9/2} \sqrt {c+d x^2}} \, dx=\int { \frac {{\left (b x^{2} + a\right )}^{2}}{\sqrt {d x^{2} + c} \left (e x\right )^{\frac {9}{2}}} \,d x } \]
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Timed out. \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{9/2} \sqrt {c+d x^2}} \, dx=\int \frac {{\left (b\,x^2+a\right )}^2}{{\left (e\,x\right )}^{9/2}\,\sqrt {d\,x^2+c}} \,d x \]
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