Integrand size = 35, antiderivative size = 216 \[ \int \frac {x^2 \left (a+b x^2+c x^4\right )}{\sqrt {d-e x} \sqrt {d+e x}} \, dx=-\frac {\left (5 c d^4+6 b d^2 e^2+8 a e^4\right ) x \sqrt {d-e x} \sqrt {d+e x}}{16 e^6}-\frac {\left (5 c d^2+6 b e^2\right ) x^3 \sqrt {d-e x} \sqrt {d+e x}}{24 e^4}+\frac {c x^5 (-d+e x) \sqrt {d+e x}}{6 e^2 \sqrt {d-e x}}+\frac {d^2 \left (5 c d^4+6 b d^2 e^2+8 a e^4\right ) \sqrt {d^2-e^2 x^2} \arctan \left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{16 e^7 \sqrt {d-e x} \sqrt {d+e x}} \]
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Time = 0.14 (sec) , antiderivative size = 245, normalized size of antiderivative = 1.13, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.171, Rules used = {534, 1281, 470, 327, 223, 209} \[ \int \frac {x^2 \left (a+b x^2+c x^4\right )}{\sqrt {d-e x} \sqrt {d+e x}} \, dx=\frac {d^2 \sqrt {d^2-e^2 x^2} \arctan \left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right ) \left (8 a e^4+6 b d^2 e^2+5 c d^4\right )}{16 e^7 \sqrt {d-e x} \sqrt {d+e x}}-\frac {x \left (d^2-e^2 x^2\right ) \left (8 a e^4+6 b d^2 e^2+5 c d^4\right )}{16 e^6 \sqrt {d-e x} \sqrt {d+e x}}-\frac {x^3 \left (d^2-e^2 x^2\right ) \left (6 b e^2+5 c d^2\right )}{24 e^4 \sqrt {d-e x} \sqrt {d+e x}}-\frac {c x^5 \left (d^2-e^2 x^2\right )}{6 e^2 \sqrt {d-e x} \sqrt {d+e x}} \]
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Rule 209
Rule 223
Rule 327
Rule 470
Rule 534
Rule 1281
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {d^2-e^2 x^2} \int \frac {x^2 \left (a+b x^2+c x^4\right )}{\sqrt {d^2-e^2 x^2}} \, dx}{\sqrt {d-e x} \sqrt {d+e x}} \\ & = -\frac {c x^5 \left (d^2-e^2 x^2\right )}{6 e^2 \sqrt {d-e x} \sqrt {d+e x}}-\frac {\sqrt {d^2-e^2 x^2} \int \frac {x^2 \left (-6 a e^2-\left (5 c d^2+6 b e^2\right ) x^2\right )}{\sqrt {d^2-e^2 x^2}} \, dx}{6 e^2 \sqrt {d-e x} \sqrt {d+e x}} \\ & = -\frac {\left (5 c d^2+6 b e^2\right ) x^3 \left (d^2-e^2 x^2\right )}{24 e^4 \sqrt {d-e x} \sqrt {d+e x}}-\frac {c x^5 \left (d^2-e^2 x^2\right )}{6 e^2 \sqrt {d-e x} \sqrt {d+e x}}+\frac {\left (\left (5 c d^4+6 b d^2 e^2+8 a e^4\right ) \sqrt {d^2-e^2 x^2}\right ) \int \frac {x^2}{\sqrt {d^2-e^2 x^2}} \, dx}{8 e^4 \sqrt {d-e x} \sqrt {d+e x}} \\ & = -\frac {\left (5 c d^4+6 b d^2 e^2+8 a e^4\right ) x \left (d^2-e^2 x^2\right )}{16 e^6 \sqrt {d-e x} \sqrt {d+e x}}-\frac {\left (5 c d^2+6 b e^2\right ) x^3 \left (d^2-e^2 x^2\right )}{24 e^4 \sqrt {d-e x} \sqrt {d+e x}}-\frac {c x^5 \left (d^2-e^2 x^2\right )}{6 e^2 \sqrt {d-e x} \sqrt {d+e x}}+\frac {\left (d^2 \left (5 c d^4+6 b d^2 e^2+8 a e^4\right ) \sqrt {d^2-e^2 x^2}\right ) \int \frac {1}{\sqrt {d^2-e^2 x^2}} \, dx}{16 e^6 \sqrt {d-e x} \sqrt {d+e x}} \\ & = -\frac {\left (5 c d^4+6 b d^2 e^2+8 a e^4\right ) x \left (d^2-e^2 x^2\right )}{16 e^6 \sqrt {d-e x} \sqrt {d+e x}}-\frac {\left (5 c d^2+6 b e^2\right ) x^3 \left (d^2-e^2 x^2\right )}{24 e^4 \sqrt {d-e x} \sqrt {d+e x}}-\frac {c x^5 \left (d^2-e^2 x^2\right )}{6 e^2 \sqrt {d-e x} \sqrt {d+e x}}+\frac {\left (d^2 \left (5 c d^4+6 b d^2 e^2+8 a e^4\right ) \sqrt {d^2-e^2 x^2}\right ) \text {Subst}\left (\int \frac {1}{1+e^2 x^2} \, dx,x,\frac {x}{\sqrt {d^2-e^2 x^2}}\right )}{16 e^6 \sqrt {d-e x} \sqrt {d+e x}} \\ & = -\frac {\left (5 c d^4+6 b d^2 e^2+8 a e^4\right ) x \left (d^2-e^2 x^2\right )}{16 e^6 \sqrt {d-e x} \sqrt {d+e x}}-\frac {\left (5 c d^2+6 b e^2\right ) x^3 \left (d^2-e^2 x^2\right )}{24 e^4 \sqrt {d-e x} \sqrt {d+e x}}-\frac {c x^5 \left (d^2-e^2 x^2\right )}{6 e^2 \sqrt {d-e x} \sqrt {d+e x}}+\frac {d^2 \left (5 c d^4+6 b d^2 e^2+8 a e^4\right ) \sqrt {d^2-e^2 x^2} \tan ^{-1}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{16 e^7 \sqrt {d-e x} \sqrt {d+e x}} \\ \end{align*}
Time = 0.32 (sec) , antiderivative size = 134, normalized size of antiderivative = 0.62 \[ \int \frac {x^2 \left (a+b x^2+c x^4\right )}{\sqrt {d-e x} \sqrt {d+e x}} \, dx=\frac {-e x \sqrt {d-e x} \sqrt {d+e x} \left (6 \left (3 b d^2 e^2+4 a e^4+2 b e^4 x^2\right )+c \left (15 d^4+10 d^2 e^2 x^2+8 e^4 x^4\right )\right )+6 d^2 \left (5 c d^4+6 b d^2 e^2+8 a e^4\right ) \arctan \left (\frac {\sqrt {d+e x}}{\sqrt {d-e x}}\right )}{48 e^7} \]
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Time = 0.44 (sec) , antiderivative size = 161, normalized size of antiderivative = 0.75
method | result | size |
risch | \(-\frac {x \left (8 c \,x^{4} e^{4}+12 b \,e^{4} x^{2}+10 c \,d^{2} e^{2} x^{2}+24 e^{4} a +18 e^{2} d^{2} b +15 d^{4} c \right ) \sqrt {-e x +d}\, \sqrt {e x +d}}{48 e^{6}}+\frac {d^{2} \left (8 e^{4} a +6 e^{2} d^{2} b +5 d^{4} c \right ) \arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right ) \sqrt {\left (e x +d \right ) \left (-e x +d \right )}}{16 e^{6} \sqrt {e^{2}}\, \sqrt {e x +d}\, \sqrt {-e x +d}}\) | \(161\) |
default | \(-\frac {\sqrt {-e x +d}\, \sqrt {e x +d}\, \left (8 \,\operatorname {csgn}\left (e \right ) c \,e^{5} x^{5} \sqrt {-e^{2} x^{2}+d^{2}}+12 \,\operatorname {csgn}\left (e \right ) b \,e^{5} x^{3} \sqrt {-e^{2} x^{2}+d^{2}}+10 \,\operatorname {csgn}\left (e \right ) c \,d^{2} e^{3} x^{3} \sqrt {-e^{2} x^{2}+d^{2}}+24 \sqrt {-e^{2} x^{2}+d^{2}}\, \operatorname {csgn}\left (e \right ) e^{5} a x +18 \sqrt {-e^{2} x^{2}+d^{2}}\, \operatorname {csgn}\left (e \right ) e^{3} b \,d^{2} x +15 \sqrt {-e^{2} x^{2}+d^{2}}\, \operatorname {csgn}\left (e \right ) e c \,d^{4} x -24 \arctan \left (\frac {\operatorname {csgn}\left (e \right ) e x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right ) a \,d^{2} e^{4}-18 \arctan \left (\frac {\operatorname {csgn}\left (e \right ) e x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right ) b \,d^{4} e^{2}-15 \arctan \left (\frac {\operatorname {csgn}\left (e \right ) e x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right ) c \,d^{6}\right ) \operatorname {csgn}\left (e \right )}{48 e^{7} \sqrt {-e^{2} x^{2}+d^{2}}}\) | \(273\) |
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Time = 0.28 (sec) , antiderivative size = 134, normalized size of antiderivative = 0.62 \[ \int \frac {x^2 \left (a+b x^2+c x^4\right )}{\sqrt {d-e x} \sqrt {d+e x}} \, dx=-\frac {{\left (8 \, c e^{5} x^{5} + 2 \, {\left (5 \, c d^{2} e^{3} + 6 \, b e^{5}\right )} x^{3} + 3 \, {\left (5 \, c d^{4} e + 6 \, b d^{2} e^{3} + 8 \, a e^{5}\right )} x\right )} \sqrt {e x + d} \sqrt {-e x + d} + 6 \, {\left (5 \, c d^{6} + 6 \, b d^{4} e^{2} + 8 \, a d^{2} e^{4}\right )} \arctan \left (\frac {\sqrt {e x + d} \sqrt {-e x + d} - d}{e x}\right )}{48 \, e^{7}} \]
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Timed out. \[ \int \frac {x^2 \left (a+b x^2+c x^4\right )}{\sqrt {d-e x} \sqrt {d+e x}} \, dx=\text {Timed out} \]
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Time = 0.28 (sec) , antiderivative size = 226, normalized size of antiderivative = 1.05 \[ \int \frac {x^2 \left (a+b x^2+c x^4\right )}{\sqrt {d-e x} \sqrt {d+e x}} \, dx=-\frac {\sqrt {-e^{2} x^{2} + d^{2}} c x^{5}}{6 \, e^{2}} - \frac {5 \, \sqrt {-e^{2} x^{2} + d^{2}} c d^{2} x^{3}}{24 \, e^{4}} - \frac {\sqrt {-e^{2} x^{2} + d^{2}} b x^{3}}{4 \, e^{2}} + \frac {5 \, c d^{6} \arcsin \left (\frac {e^{2} x}{d \sqrt {e^{2}}}\right )}{16 \, \sqrt {e^{2}} e^{6}} + \frac {3 \, b d^{4} \arcsin \left (\frac {e^{2} x}{d \sqrt {e^{2}}}\right )}{8 \, \sqrt {e^{2}} e^{4}} + \frac {a d^{2} \arcsin \left (\frac {e^{2} x}{d \sqrt {e^{2}}}\right )}{2 \, \sqrt {e^{2}} e^{2}} - \frac {5 \, \sqrt {-e^{2} x^{2} + d^{2}} c d^{4} x}{16 \, e^{6}} - \frac {3 \, \sqrt {-e^{2} x^{2} + d^{2}} b d^{2} x}{8 \, e^{4}} - \frac {\sqrt {-e^{2} x^{2} + d^{2}} a x}{2 \, e^{2}} \]
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Time = 0.34 (sec) , antiderivative size = 177, normalized size of antiderivative = 0.82 \[ \int \frac {x^2 \left (a+b x^2+c x^4\right )}{\sqrt {d-e x} \sqrt {d+e x}} \, dx=\frac {{\left (33 \, c d^{5} + 30 \, b d^{3} e^{2} + 24 \, a d e^{4} - {\left (85 \, c d^{4} + 54 \, b d^{2} e^{2} + 24 \, a e^{4} - 2 \, {\left (55 \, c d^{3} + 18 \, b d e^{2} - {\left (45 \, c d^{2} + 6 \, b e^{2} + 4 \, {\left ({\left (e x + d\right )} c - 5 \, c d\right )} {\left (e x + d\right )}\right )} {\left (e x + d\right )}\right )} {\left (e x + d\right )}\right )} {\left (e x + d\right )}\right )} \sqrt {e x + d} \sqrt {-e x + d} + 6 \, {\left (5 \, c d^{6} + 6 \, b d^{4} e^{2} + 8 \, a d^{2} e^{4}\right )} \arcsin \left (\frac {\sqrt {2} \sqrt {e x + d}}{2 \, \sqrt {d}}\right )}{48 \, e^{7}} \]
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Time = 27.91 (sec) , antiderivative size = 1132, normalized size of antiderivative = 5.24 \[ \int \frac {x^2 \left (a+b x^2+c x^4\right )}{\sqrt {d-e x} \sqrt {d+e x}} \, dx=\text {Too large to display} \]
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