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User:Ppetru

Hello. I'm a newbie Wikipedian from Romania. You can contact me through email at petru@paler.net

Some of the articles I worked on are:

I'm also interested in improving Wikipedia:PHP script



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Quadratic formula

... x, both of which are real. (Geometrically, this means that the parabola intersects the x-axis in two points.) If the discriminant is negative, then there are two different ...

 
 
 
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