Integrand size = 28, antiderivative size = 242 \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{13/2} \sqrt {c+d x^2}} \, dx=-\frac {2 a^2 \sqrt {c+d x^2}}{11 c e (e x)^{11/2}}-\frac {2 a (22 b c-9 a d) \sqrt {c+d x^2}}{77 c^2 e^3 (e x)^{7/2}}-\frac {2 \left (77 b^2 c^2-5 a d (22 b c-9 a d)\right ) \sqrt {c+d x^2}}{231 c^3 e^5 (e x)^{3/2}}-\frac {d^{3/4} \left (77 b^2 c^2-5 a d (22 b c-9 a d)\right ) \left (\sqrt {c}+\sqrt {d} x\right ) \sqrt {\frac {c+d x^2}{\left (\sqrt {c}+\sqrt {d} x\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{d} \sqrt {e x}}{\sqrt [4]{c} \sqrt {e}}\right ),\frac {1}{2}\right )}{231 c^{13/4} e^{13/2} \sqrt {c+d x^2}} \]
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Time = 0.15 (sec) , antiderivative size = 242, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.179, Rules used = {473, 464, 331, 335, 226} \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{13/2} \sqrt {c+d x^2}} \, dx=-\frac {2 a^2 \sqrt {c+d x^2}}{11 c e (e x)^{11/2}}-\frac {d^{3/4} \left (\sqrt {c}+\sqrt {d} x\right ) \sqrt {\frac {c+d x^2}{\left (\sqrt {c}+\sqrt {d} x\right )^2}} \left (77 b^2 c^2-5 a d (22 b c-9 a d)\right ) \operatorname {EllipticF}\left (2 \arctan \left (\frac {\sqrt [4]{d} \sqrt {e x}}{\sqrt [4]{c} \sqrt {e}}\right ),\frac {1}{2}\right )}{231 c^{13/4} e^{13/2} \sqrt {c+d x^2}}-\frac {2 \sqrt {c+d x^2} \left (77 b^2 c^2-5 a d (22 b c-9 a d)\right )}{231 c^3 e^5 (e x)^{3/2}}-\frac {2 a \sqrt {c+d x^2} (22 b c-9 a d)}{77 c^2 e^3 (e x)^{7/2}} \]
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Rule 226
Rule 331
Rule 335
Rule 464
Rule 473
Rubi steps \begin{align*} \text {integral}& = -\frac {2 a^2 \sqrt {c+d x^2}}{11 c e (e x)^{11/2}}+\frac {2 \int \frac {\frac {1}{2} a (22 b c-9 a d)+\frac {11}{2} b^2 c x^2}{(e x)^{9/2} \sqrt {c+d x^2}} \, dx}{11 c e^2} \\ & = -\frac {2 a^2 \sqrt {c+d x^2}}{11 c e (e x)^{11/2}}-\frac {2 a (22 b c-9 a d) \sqrt {c+d x^2}}{77 c^2 e^3 (e x)^{7/2}}+\frac {\left (77 b^2 c^2-5 a d (22 b c-9 a d)\right ) \int \frac {1}{(e x)^{5/2} \sqrt {c+d x^2}} \, dx}{77 c^2 e^4} \\ & = -\frac {2 a^2 \sqrt {c+d x^2}}{11 c e (e x)^{11/2}}-\frac {2 a (22 b c-9 a d) \sqrt {c+d x^2}}{77 c^2 e^3 (e x)^{7/2}}-\frac {2 \left (77 b^2 c^2-5 a d (22 b c-9 a d)\right ) \sqrt {c+d x^2}}{231 c^3 e^5 (e x)^{3/2}}-\frac {\left (d \left (77 b^2 c^2-5 a d (22 b c-9 a d)\right )\right ) \int \frac {1}{\sqrt {e x} \sqrt {c+d x^2}} \, dx}{231 c^3 e^6} \\ & = -\frac {2 a^2 \sqrt {c+d x^2}}{11 c e (e x)^{11/2}}-\frac {2 a (22 b c-9 a d) \sqrt {c+d x^2}}{77 c^2 e^3 (e x)^{7/2}}-\frac {2 \left (77 b^2 c^2-5 a d (22 b c-9 a d)\right ) \sqrt {c+d x^2}}{231 c^3 e^5 (e x)^{3/2}}-\frac {\left (2 d \left (77 b^2 c^2-5 a d (22 b c-9 a d)\right )\right ) \text {Subst}\left (\int \frac {1}{\sqrt {c+\frac {d x^4}{e^2}}} \, dx,x,\sqrt {e x}\right )}{231 c^3 e^7} \\ & = -\frac {2 a^2 \sqrt {c+d x^2}}{11 c e (e x)^{11/2}}-\frac {2 a (22 b c-9 a d) \sqrt {c+d x^2}}{77 c^2 e^3 (e x)^{7/2}}-\frac {2 \left (77 b^2 c^2-5 a d (22 b c-9 a d)\right ) \sqrt {c+d x^2}}{231 c^3 e^5 (e x)^{3/2}}-\frac {d^{3/4} \left (77 b^2 c^2-5 a d (22 b c-9 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 )}{231 c^{13/4} e^{13/2} \sqrt {c+d x^2}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 11.18 (sec) , antiderivative size = 196, normalized size of antiderivative = 0.81 \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{13/2} \sqrt {c+d x^2}} \, dx=\frac {x^{13/2} \left (-\frac {2 \left (c+d x^2\right ) \left (77 b^2 c^2 x^4+22 a b c x^2 \left (3 c-5 d x^2\right )+3 a^2 \left (7 c^2-9 c d x^2+15 d^2 x^4\right )\right )}{c^3 x^{11/2}}-\frac {2 i d \left (77 b^2 c^2-110 a b c d+45 a^2 d^2\right ) \sqrt {1+\frac {c}{d x^2}} x \operatorname {EllipticF}\left (i \text {arcsinh}\left (\frac {\sqrt {\frac {i \sqrt {c}}{\sqrt {d}}}}{\sqrt {x}}\right ),-1\right )}{c^3 \sqrt {\frac {i \sqrt {c}}{\sqrt {d}}}}\right )}{231 (e x)^{13/2} \sqrt {c+d x^2}} \]
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Time = 3.08 (sec) , antiderivative size = 249, normalized size of antiderivative = 1.03
method | result | size |
risch | \(-\frac {2 \sqrt {d \,x^{2}+c}\, \left (45 a^{2} d^{2} x^{4}-110 x^{4} a b c d +77 b^{2} c^{2} x^{4}-27 a^{2} c d \,x^{2}+66 a b \,c^{2} x^{2}+21 a^{2} c^{2}\right )}{231 c^{3} x^{5} e^{6} \sqrt {e x}}-\frac {\left (45 a^{2} d^{2}-110 a b c d +77 b^{2} c^{2}\right ) \sqrt {-c d}\, \sqrt {\frac {\left (x +\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}\, \sqrt {-\frac {2 \left (x -\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}\, \sqrt {-\frac {x d}{\sqrt {-c d}}}\, F\left (\sqrt {\frac {\left (x +\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}, \frac {\sqrt {2}}{2}\right ) \sqrt {e x \left (d \,x^{2}+c \right )}}{231 c^{3} \sqrt {d e \,x^{3}+c e x}\, e^{6} \sqrt {e x}\, \sqrt {d \,x^{2}+c}}\) | \(249\) |
elliptic | \(\frac {\sqrt {e x \left (d \,x^{2}+c \right )}\, \left (-\frac {2 a^{2} \sqrt {d e \,x^{3}+c e x}}{11 e^{7} c \,x^{6}}+\frac {2 a \left (9 a d -22 b c \right ) \sqrt {d e \,x^{3}+c e x}}{77 e^{7} c^{2} x^{4}}-\frac {2 \left (45 a^{2} d^{2}-110 a b c d +77 b^{2} c^{2}\right ) \sqrt {d e \,x^{3}+c e x}}{231 e^{7} c^{3} x^{2}}-\frac {\left (45 a^{2} d^{2}-110 a b c d +77 b^{2} c^{2}\right ) \sqrt {-c d}\, \sqrt {\frac {\left (x +\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}\, \sqrt {-\frac {2 \left (x -\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}\, \sqrt {-\frac {x d}{\sqrt {-c d}}}\, F\left (\sqrt {\frac {\left (x +\frac {\sqrt {-c d}}{d}\right ) d}{\sqrt {-c d}}}, \frac {\sqrt {2}}{2}\right )}{231 c^{3} e^{6} \sqrt {d e \,x^{3}+c e x}}\right )}{\sqrt {e x}\, \sqrt {d \,x^{2}+c}}\) | \(273\) |
default | \(-\frac {45 \sqrt {2}\, \sqrt {-c d}\, \sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {\frac {-d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {-\frac {x d}{\sqrt {-c d}}}\, F\left (\sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}, \frac {\sqrt {2}}{2}\right ) a^{2} d^{2} x^{5}-110 \sqrt {2}\, \sqrt {-c d}\, \sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {\frac {-d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {-\frac {x d}{\sqrt {-c d}}}\, F\left (\sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}, \frac {\sqrt {2}}{2}\right ) a b c d \,x^{5}+77 \sqrt {2}\, \sqrt {-c d}\, \sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {\frac {-d x +\sqrt {-c d}}{\sqrt {-c d}}}\, \sqrt {-\frac {x d}{\sqrt {-c d}}}\, F\left (\sqrt {\frac {d x +\sqrt {-c d}}{\sqrt {-c d}}}, \frac {\sqrt {2}}{2}\right ) b^{2} c^{2} x^{5}+90 a^{2} d^{3} x^{6}-220 x^{6} d^{2} a b c +154 b^{2} c^{2} d \,x^{6}+36 a^{2} c \,d^{2} x^{4}-88 a b \,c^{2} d \,x^{4}+154 b^{2} c^{3} x^{4}-12 a^{2} c^{2} d \,x^{2}+132 a b \,c^{3} x^{2}+42 a^{2} c^{3}}{231 \sqrt {d \,x^{2}+c}\, x^{5} c^{3} e^{6} \sqrt {e x}}\) | \(411\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.09 (sec) , antiderivative size = 124, normalized size of antiderivative = 0.51 \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{13/2} \sqrt {c+d x^2}} \, dx=-\frac {2 \, {\left ({\left (77 \, b^{2} c^{2} - 110 \, a b c d + 45 \, a^{2} d^{2}\right )} \sqrt {d e} x^{6} {\rm weierstrassPInverse}\left (-\frac {4 \, c}{d}, 0, x\right ) + {\left ({\left (77 \, b^{2} c^{2} - 110 \, a b c d + 45 \, a^{2} d^{2}\right )} x^{4} + 21 \, a^{2} c^{2} + 3 \, {\left (22 \, a b c^{2} - 9 \, a^{2} c d\right )} x^{2}\right )} \sqrt {d x^{2} + c} \sqrt {e x}\right )}}{231 \, c^{3} e^{7} x^{6}} \]
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Timed out. \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{13/2} \sqrt {c+d x^2}} \, dx=\text {Timed out} \]
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\[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{13/2} \sqrt {c+d x^2}} \, dx=\int { \frac {{\left (b x^{2} + a\right )}^{2}}{\sqrt {d x^{2} + c} \left (e x\right )^{\frac {13}{2}}} \,d x } \]
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\[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{13/2} \sqrt {c+d x^2}} \, dx=\int { \frac {{\left (b x^{2} + a\right )}^{2}}{\sqrt {d x^{2} + c} \left (e x\right )^{\frac {13}{2}}} \,d x } \]
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Timed out. \[ \int \frac {\left (a+b x^2\right )^2}{(e x)^{13/2} \sqrt {c+d x^2}} \, dx=\int \frac {{\left (b\,x^2+a\right )}^2}{{\left (e\,x\right )}^{13/2}\,\sqrt {d\,x^2+c}} \,d x \]
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