How to simplify Sqrt[x^2]?

*To*: mathgroup at christensen.cybernetics.net*Subject*: [mg1712] How to simplify Sqrt[x^2]?*From*: Dirk.Schwarzhans at cs.tu-berlin.de*Date*: Mon, 17 Jul 1995 05:34:36 -0400*Organization*: Technical University of Berlin, Germany

Hello, Mathematica does not simplify expressions like Sqrt[x^2] because there are two solutions x and -x. How do I get Mathematica to assume the positive solution in order to simplify expressions containing something like Sqrt[x^2]/x. Thanks in advance, Dirk Schwarzhans