singhall wrote:
Bunuel wrote:
rsamant wrote:
Why do we use absolute signs in thisproblem??
Because\(\sqrt{x^2}=|x|\) . Check for more Absolute value tips: https://gmatclub.com/forum/absolute-val ... 75002.html
Theory on Abolute Values: https://gmatclub.com/forum/math-absolut ... 86462.html
DS Abolute Values Questions to practice: https://gmatclub.com/forum/search.php?s ... &tag_id=37
PS Abolute Values Questions to practice: https://gmatclub.com/forum/search.php?s ... &tag_id=58
Hope thishelps.
What is the difference between Because\(\sqrt{x^2}=|x|\) and Mathematically
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Statistics : Posted by Bunuel • on 16 Sep 2014, 00:26 • Replies 21 • Views 81040