$\displaystyle -x<x^2<2x+1$

a<x<b

What areaandb?

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- Jul 26th 2009, 02:20 AMshrrikeshAnother inequation to solve
$\displaystyle -x<x^2<2x+1$

**a**<x<**b**

What are**a**and**b**? - Jul 26th 2009, 05:24 AMKrizalid
That inequality splits out into two ones, then solve each one of them separately.

Having solution set of one and solution set of the other one, intersect this solutions set to get full solution set. - Jul 26th 2009, 06:32 AMmr fantastic