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![[Post New]](/templates/default/images/icon_minipost_new.gif) 19 Jul 2008 14:36:52 IST
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Y=2X/X^2+1
x^2y + y=2x
x^2 y -2x+y=0
x={2+(4-4y^2)^1/2}/2
x=1+root(1-y^2)
for x to be real 1-y2>0
y2-1<0
y belongs to [-1,1]
rate if useful and nudge me for any doubts
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