Integrand size = 29, antiderivative size = 636 \[ \int \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x^2 \sqrt {d+e x} \, dx=-\frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (4 a^2 d^2+4 b^2 e^2-a e (2 b d-5 c e)-3 a e (a d-4 b e) x\right )}{105 a^2 e^2}+\frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (c+b x+a x^2\right )}{7 a}+\frac {\sqrt {2} \sqrt {b^2-4 a c} \left (8 a^3 d^3+8 b^3 e^3-a^2 d e (5 b d-16 c e)-a b e^2 (5 b d+29 c e)\right ) \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \sqrt {-\frac {a \left (c+b x+a x^2\right )}{b^2-4 a c}} E\left (\arcsin \left (\frac {\sqrt {\frac {b+\sqrt {b^2-4 a c}+2 a x}{\sqrt {b^2-4 a c}}}}{\sqrt {2}}\right )|-\frac {2 \sqrt {b^2-4 a c} e}{2 a d-\left (b+\sqrt {b^2-4 a c}\right ) e}\right )}{105 a^3 e^3 \sqrt {\frac {a (d+e x)}{2 a d-\left (b+\sqrt {b^2-4 a c}\right ) e}} \left (c+b x+a x^2\right )}-\frac {2 \sqrt {2} \sqrt {b^2-4 a c} \left (8 a^2 d^2-4 b^2 e^2-a e (b d-10 c e)\right ) \left (a d^2-e (b d-c e)\right ) \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {\frac {a (d+e x)}{2 a d-\left (b+\sqrt {b^2-4 a c}\right ) e}} \sqrt {-\frac {a \left (c+b x+a x^2\right )}{b^2-4 a c}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {\frac {b+\sqrt {b^2-4 a c}+2 a x}{\sqrt {b^2-4 a c}}}}{\sqrt {2}}\right ),-\frac {2 \sqrt {b^2-4 a c} e}{2 a d-\left (b+\sqrt {b^2-4 a c}\right ) e}\right )}{105 a^3 e^3 \sqrt {d+e x} \left (c+b x+a x^2\right )} \]
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Time = 0.63 (sec) , antiderivative size = 636, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.241, Rules used = {1587, 846, 828, 857, 732, 435, 430} \[ \int \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x^2 \sqrt {d+e x} \, dx=-\frac {2 x \sqrt {d+e x} \sqrt {a+\frac {b}{x}+\frac {c}{x^2}} \left (4 a^2 d^2-a e (2 b d-5 c e)-3 a e x (a d-4 b e)+4 b^2 e^2\right )}{105 a^2 e^2}-\frac {2 \sqrt {2} x \sqrt {b^2-4 a c} \sqrt {a+\frac {b}{x}+\frac {c}{x^2}} \sqrt {-\frac {a \left (a x^2+b x+c\right )}{b^2-4 a c}} \left (8 a^2 d^2-a e (b d-10 c e)-4 b^2 e^2\right ) \left (a d^2-e (b d-c e)\right ) \sqrt {\frac {a (d+e x)}{2 a d-e \left (\sqrt {b^2-4 a c}+b\right )}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {\frac {b+2 a x+\sqrt {b^2-4 a c}}{\sqrt {b^2-4 a c}}}}{\sqrt {2}}\right ),-\frac {2 \sqrt {b^2-4 a c} e}{2 a d-\left (b+\sqrt {b^2-4 a c}\right ) e}\right )}{105 a^3 e^3 \sqrt {d+e x} \left (a x^2+b x+c\right )}+\frac {\sqrt {2} x \sqrt {b^2-4 a c} \sqrt {d+e x} \sqrt {a+\frac {b}{x}+\frac {c}{x^2}} \sqrt {-\frac {a \left (a x^2+b x+c\right )}{b^2-4 a c}} \left (8 a^3 d^3-a^2 d e (5 b d-16 c e)-a b e^2 (5 b d+29 c e)+8 b^3 e^3\right ) E\left (\arcsin \left (\frac {\sqrt {\frac {b+2 a x+\sqrt {b^2-4 a c}}{\sqrt {b^2-4 a c}}}}{\sqrt {2}}\right )|-\frac {2 \sqrt {b^2-4 a c} e}{2 a d-\left (b+\sqrt {b^2-4 a c}\right ) e}\right )}{105 a^3 e^3 \left (a x^2+b x+c\right ) \sqrt {\frac {a (d+e x)}{2 a d-e \left (\sqrt {b^2-4 a c}+b\right )}}}+\frac {2 x \sqrt {d+e x} \sqrt {a+\frac {b}{x}+\frac {c}{x^2}} \left (a x^2+b x+c\right )}{7 a} \]
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Rule 430
Rule 435
Rule 732
Rule 828
Rule 846
Rule 857
Rule 1587
Rubi steps \begin{align*} \text {integral}& = \frac {\left (\sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x\right ) \int x \sqrt {d+e x} \sqrt {c+b x+a x^2} \, dx}{\sqrt {c+b x+a x^2}} \\ & = \frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (c+b x+a x^2\right )}{7 a}+\frac {\left (2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x\right ) \int \frac {\left (\frac {1}{2} (-3 b d-c e)+\frac {1}{2} (a d-4 b e) x\right ) \sqrt {c+b x+a x^2}}{\sqrt {d+e x}} \, dx}{7 a \sqrt {c+b x+a x^2}} \\ & = -\frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (4 a^2 d^2+4 b^2 e^2-a e (2 b d-5 c e)-3 a e (a d-4 b e) x\right )}{105 a^2 e^2}+\frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (c+b x+a x^2\right )}{7 a}-\frac {\left (4 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x\right ) \int \frac {\frac {1}{2} \left (-a^2 d^2 (2 b d-c e)-2 b^2 e^2 (b d+c e)+a e \left (b^2 d^2+9 b c d e+5 c^2 e^2\right )\right )-\frac {1}{4} \left (8 a^3 d^3+8 b^3 e^3-a^2 d e (5 b d-16 c e)-a b e^2 (5 b d+29 c e)\right ) x}{\sqrt {d+e x} \sqrt {c+b x+a x^2}} \, dx}{105 a^2 e^2 \sqrt {c+b x+a x^2}} \\ & = -\frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (4 a^2 d^2+4 b^2 e^2-a e (2 b d-5 c e)-3 a e (a d-4 b e) x\right )}{105 a^2 e^2}+\frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (c+b x+a x^2\right )}{7 a}-\frac {\left (\left (-8 a^3 d^3-8 b^3 e^3+a^2 d e (5 b d-16 c e)+a b e^2 (5 b d+29 c e)\right ) \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x\right ) \int \frac {\sqrt {d+e x}}{\sqrt {c+b x+a x^2}} \, dx}{105 a^2 e^3 \sqrt {c+b x+a x^2}}-\frac {\left (4 \left (-\frac {1}{4} d \left (-8 a^3 d^3-8 b^3 e^3+a^2 d e (5 b d-16 c e)+a b e^2 (5 b d+29 c e)\right )+\frac {1}{2} e \left (-a^2 d^2 (2 b d-c e)-2 b^2 e^2 (b d+c e)+a e \left (b^2 d^2+9 b c d e+5 c^2 e^2\right )\right )\right ) \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x\right ) \int \frac {1}{\sqrt {d+e x} \sqrt {c+b x+a x^2}} \, dx}{105 a^2 e^3 \sqrt {c+b x+a x^2}} \\ & = -\frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (4 a^2 d^2+4 b^2 e^2-a e (2 b d-5 c e)-3 a e (a d-4 b e) x\right )}{105 a^2 e^2}+\frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (c+b x+a x^2\right )}{7 a}-\frac {\left (\sqrt {2} \sqrt {b^2-4 a c} \left (-8 a^3 d^3-8 b^3 e^3+a^2 d e (5 b d-16 c e)+a b e^2 (5 b d+29 c e)\right ) \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \sqrt {-\frac {a \left (c+b x+a x^2\right )}{b^2-4 a c}}\right ) \text {Subst}\left (\int \frac {\sqrt {1+\frac {2 \sqrt {b^2-4 a c} e x^2}{2 a d-b e-\sqrt {b^2-4 a c} e}}}{\sqrt {1-x^2}} \, dx,x,\frac {\sqrt {\frac {b+\sqrt {b^2-4 a c}+2 a x}{\sqrt {b^2-4 a c}}}}{\sqrt {2}}\right )}{105 a^3 e^3 \sqrt {\frac {a (d+e x)}{2 a d-b e-\sqrt {b^2-4 a c} e}} \left (c+b x+a x^2\right )}-\frac {\left (8 \sqrt {2} \sqrt {b^2-4 a c} \left (-\frac {1}{4} d \left (-8 a^3 d^3-8 b^3 e^3+a^2 d e (5 b d-16 c e)+a b e^2 (5 b d+29 c e)\right )+\frac {1}{2} e \left (-a^2 d^2 (2 b d-c e)-2 b^2 e^2 (b d+c e)+a e \left (b^2 d^2+9 b c d e+5 c^2 e^2\right )\right )\right ) \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {\frac {a (d+e x)}{2 a d-b e-\sqrt {b^2-4 a c} e}} \sqrt {-\frac {a \left (c+b x+a x^2\right )}{b^2-4 a c}}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1-x^2} \sqrt {1+\frac {2 \sqrt {b^2-4 a c} e x^2}{2 a d-b e-\sqrt {b^2-4 a c} e}}} \, dx,x,\frac {\sqrt {\frac {b+\sqrt {b^2-4 a c}+2 a x}{\sqrt {b^2-4 a c}}}}{\sqrt {2}}\right )}{105 a^3 e^3 \sqrt {d+e x} \left (c+b x+a x^2\right )} \\ & = -\frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (4 a^2 d^2+4 b^2 e^2-a e (2 b d-5 c e)-3 a e (a d-4 b e) x\right )}{105 a^2 e^2}+\frac {2 \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \left (c+b x+a x^2\right )}{7 a}+\frac {\sqrt {2} \sqrt {b^2-4 a c} \left (8 a^3 d^3+8 b^3 e^3-a^2 d e (5 b d-16 c e)-a b e^2 (5 b d+29 c e)\right ) \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {d+e x} \sqrt {-\frac {a \left (c+b x+a x^2\right )}{b^2-4 a c}} E\left (\sin ^{-1}\left (\frac {\sqrt {\frac {b+\sqrt {b^2-4 a c}+2 a x}{\sqrt {b^2-4 a c}}}}{\sqrt {2}}\right )|-\frac {2 \sqrt {b^2-4 a c} e}{2 a d-\left (b+\sqrt {b^2-4 a c}\right ) e}\right )}{105 a^3 e^3 \sqrt {\frac {a (d+e x)}{2 a d-\left (b+\sqrt {b^2-4 a c}\right ) e}} \left (c+b x+a x^2\right )}-\frac {2 \sqrt {2} \sqrt {b^2-4 a c} \left (a d^2-b d e+c e^2\right ) \left (8 a^2 d^2-a b d e-4 b^2 e^2+10 a c e^2\right ) \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x \sqrt {\frac {a (d+e x)}{2 a d-\left (b+\sqrt {b^2-4 a c}\right ) e}} \sqrt {-\frac {a \left (c+b x+a x^2\right )}{b^2-4 a c}} F\left (\sin ^{-1}\left (\frac {\sqrt {\frac {b+\sqrt {b^2-4 a c}+2 a x}{\sqrt {b^2-4 a c}}}}{\sqrt {2}}\right )|-\frac {2 \sqrt {b^2-4 a c} e}{2 a d-\left (b+\sqrt {b^2-4 a c}\right ) e}\right )}{105 a^3 e^3 \sqrt {d+e x} \left (c+b x+a x^2\right )} \\ \end{align*}
Result contains complex when optimal does not.
Time = 34.03 (sec) , antiderivative size = 1314, normalized size of antiderivative = 2.07 \[ \int \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x^2 \sqrt {d+e x} \, dx=x \sqrt {d+e x} \left (\frac {4 \left (-2 a^2 d^2+a b d e-2 b^2 e^2+5 a c e^2\right )}{105 a^2 e^2}+\frac {2 (a d+b e) x}{35 a e}+\frac {2 x^2}{7}\right ) \sqrt {a+\frac {c+b x}{x^2}}+\frac {x (d+e x)^{3/2} \sqrt {a+\frac {c+b x}{x^2}} \left (4 \sqrt {\frac {a d^2+e (-b d+c e)}{-2 a d+b e+\sqrt {\left (b^2-4 a c\right ) e^2}}} \left (8 a^3 d^3+8 b^3 e^3+a^2 d e (-5 b d+16 c e)-a b e^2 (5 b d+29 c e)\right ) \left (a \left (-1+\frac {d}{d+e x}\right )^2+\frac {e \left (b-\frac {b d}{d+e x}+\frac {c e}{d+e x}\right )}{d+e x}\right )-\frac {i \sqrt {2} \left (2 a d-b e+\sqrt {\left (b^2-4 a c\right ) e^2}\right ) \left (8 a^3 d^3+8 b^3 e^3+a^2 d e (-5 b d+16 c e)-a b e^2 (5 b d+29 c e)\right ) \sqrt {\frac {\sqrt {\left (b^2-4 a c\right ) e^2}-\frac {2 c e^2}{d+e x}-2 a d \left (-1+\frac {d}{d+e x}\right )+b e \left (-1+\frac {2 d}{d+e x}\right )}{2 a d-b e+\sqrt {\left (b^2-4 a c\right ) e^2}}} \sqrt {\frac {\sqrt {\left (b^2-4 a c\right ) e^2}+\frac {2 c e^2}{d+e x}+2 a d \left (-1+\frac {d}{d+e x}\right )+b \left (e-\frac {2 d e}{d+e x}\right )}{-2 a d+b e+\sqrt {\left (b^2-4 a c\right ) e^2}}} E\left (i \text {arcsinh}\left (\frac {\sqrt {2} \sqrt {\frac {a d^2-b d e+c e^2}{-2 a d+b e+\sqrt {\left (b^2-4 a c\right ) e^2}}}}{\sqrt {d+e x}}\right )|-\frac {-2 a d+b e+\sqrt {\left (b^2-4 a c\right ) e^2}}{2 a d-b e+\sqrt {\left (b^2-4 a c\right ) e^2}}\right )}{\sqrt {d+e x}}+\frac {i \sqrt {2} \left (8 b^3 e^3 \left (-b e+\sqrt {\left (b^2-4 a c\right ) e^2}\right )+a^3 \left (-4 c d^2 e^2+8 d^3 \sqrt {\left (b^2-4 a c\right ) e^2}\right )+a b e^2 \left (13 b^2 d e+37 b c e^2-5 b d \sqrt {\left (b^2-4 a c\right ) e^2}-29 c e \sqrt {\left (b^2-4 a c\right ) e^2}\right )+a^2 e \left (b^2 d^2 e-4 c e \left (5 c e^2-4 d \sqrt {\left (b^2-4 a c\right ) e^2}\right )-b d \left (52 c e^2+5 d \sqrt {\left (b^2-4 a c\right ) e^2}\right )\right )\right ) \sqrt {\frac {\sqrt {\left (b^2-4 a c\right ) e^2}-\frac {2 c e^2}{d+e x}-2 a d \left (-1+\frac {d}{d+e x}\right )+b e \left (-1+\frac {2 d}{d+e x}\right )}{2 a d-b e+\sqrt {\left (b^2-4 a c\right ) e^2}}} \sqrt {\frac {\sqrt {\left (b^2-4 a c\right ) e^2}+\frac {2 c e^2}{d+e x}+2 a d \left (-1+\frac {d}{d+e x}\right )+b \left (e-\frac {2 d e}{d+e x}\right )}{-2 a d+b e+\sqrt {\left (b^2-4 a c\right ) e^2}}} \operatorname {EllipticF}\left (i \text {arcsinh}\left (\frac {\sqrt {2} \sqrt {\frac {a d^2-b d e+c e^2}{-2 a d+b e+\sqrt {\left (b^2-4 a c\right ) e^2}}}}{\sqrt {d+e x}}\right ),-\frac {-2 a d+b e+\sqrt {\left (b^2-4 a c\right ) e^2}}{2 a d-b e+\sqrt {\left (b^2-4 a c\right ) e^2}}\right )}{\sqrt {d+e x}}\right )}{210 a^3 e^4 \sqrt {\frac {a d^2+e (-b d+c e)}{-2 a d+b e+\sqrt {\left (b^2-4 a c\right ) e^2}}} \sqrt {c+b x+a x^2} \sqrt {\frac {(d+e x)^2 \left (a \left (-1+\frac {d}{d+e x}\right )^2+\frac {e \left (b-\frac {b d}{d+e x}+\frac {c e}{d+e x}\right )}{d+e x}\right )}{e^2}}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(2661\) vs. \(2(572)=1144\).
Time = 1.84 (sec) , antiderivative size = 2662, normalized size of antiderivative = 4.19
method | result | size |
risch | \(\text {Expression too large to display}\) | \(2662\) |
default | \(\text {Expression too large to display}\) | \(6302\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.11 (sec) , antiderivative size = 598, normalized size of antiderivative = 0.94 \[ \int \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x^2 \sqrt {d+e x} \, dx=-\frac {2 \, {\left ({\left (8 \, a^{4} d^{4} - 9 \, a^{3} b d^{3} e - 2 \, {\left (2 \, a^{2} b^{2} - 11 \, a^{3} c\right )} d^{2} e^{2} - {\left (9 \, a b^{3} - 41 \, a^{2} b c\right )} d e^{3} + {\left (8 \, b^{4} - 41 \, a b^{2} c + 30 \, a^{2} c^{2}\right )} e^{4}\right )} \sqrt {a e} {\rm weierstrassPInverse}\left (\frac {4 \, {\left (a^{2} d^{2} - a b d e + {\left (b^{2} - 3 \, a c\right )} e^{2}\right )}}{3 \, a^{2} e^{2}}, -\frac {4 \, {\left (2 \, a^{3} d^{3} - 3 \, a^{2} b d^{2} e - 3 \, {\left (a b^{2} - 6 \, a^{2} c\right )} d e^{2} + {\left (2 \, b^{3} - 9 \, a b c\right )} e^{3}\right )}}{27 \, a^{3} e^{3}}, \frac {3 \, a e x + a d + b e}{3 \, a e}\right ) + 3 \, {\left (8 \, a^{4} d^{3} e - 5 \, a^{3} b d^{2} e^{2} - {\left (5 \, a^{2} b^{2} - 16 \, a^{3} c\right )} d e^{3} + {\left (8 \, a b^{3} - 29 \, a^{2} b c\right )} e^{4}\right )} \sqrt {a e} {\rm weierstrassZeta}\left (\frac {4 \, {\left (a^{2} d^{2} - a b d e + {\left (b^{2} - 3 \, a c\right )} e^{2}\right )}}{3 \, a^{2} e^{2}}, -\frac {4 \, {\left (2 \, a^{3} d^{3} - 3 \, a^{2} b d^{2} e - 3 \, {\left (a b^{2} - 6 \, a^{2} c\right )} d e^{2} + {\left (2 \, b^{3} - 9 \, a b c\right )} e^{3}\right )}}{27 \, a^{3} e^{3}}, {\rm weierstrassPInverse}\left (\frac {4 \, {\left (a^{2} d^{2} - a b d e + {\left (b^{2} - 3 \, a c\right )} e^{2}\right )}}{3 \, a^{2} e^{2}}, -\frac {4 \, {\left (2 \, a^{3} d^{3} - 3 \, a^{2} b d^{2} e - 3 \, {\left (a b^{2} - 6 \, a^{2} c\right )} d e^{2} + {\left (2 \, b^{3} - 9 \, a b c\right )} e^{3}\right )}}{27 \, a^{3} e^{3}}, \frac {3 \, a e x + a d + b e}{3 \, a e}\right )\right ) - 3 \, {\left (15 \, a^{4} e^{4} x^{3} + 3 \, {\left (a^{4} d e^{3} + a^{3} b e^{4}\right )} x^{2} - 2 \, {\left (2 \, a^{4} d^{2} e^{2} - a^{3} b d e^{3} + {\left (2 \, a^{2} b^{2} - 5 \, a^{3} c\right )} e^{4}\right )} x\right )} \sqrt {e x + d} \sqrt {\frac {a x^{2} + b x + c}{x^{2}}}\right )}}{315 \, a^{4} e^{4}} \]
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\[ \int \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x^2 \sqrt {d+e x} \, dx=\int x^{2} \sqrt {d + e x} \sqrt {a + \frac {b}{x} + \frac {c}{x^{2}}}\, dx \]
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\[ \int \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x^2 \sqrt {d+e x} \, dx=\int { \sqrt {e x + d} \sqrt {a + \frac {b}{x} + \frac {c}{x^{2}}} x^{2} \,d x } \]
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\[ \int \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x^2 \sqrt {d+e x} \, dx=\int { \sqrt {e x + d} \sqrt {a + \frac {b}{x} + \frac {c}{x^{2}}} x^{2} \,d x } \]
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Timed out. \[ \int \sqrt {a+\frac {c}{x^2}+\frac {b}{x}} x^2 \sqrt {d+e x} \, dx=\int x^2\,\sqrt {d+e\,x}\,\sqrt {a+\frac {b}{x}+\frac {c}{x^2}} \,d x \]
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