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![[Post New]](/templates/default/images/icon_minipost_new.gif) 8 Dec 2007 22:03:59 IST
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i mean if we consider only f(1)>0 then we will be also considering the region when 1 is less than both the roots also in addition to the region when 1 is greater than both roots.....got it? because that region also satisfies this condition ......so in order that 1 to be greater than both roots we 'll take the condition that 1>-b/2a so that when we superimpose these two results we'll get only the region where 1 is > both the roots
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"Nenenthedhavano naake teleedu"
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