What is the absolute value of Square root 2?

1 Answer
Jun 10, 2015

|sqrt(2)|=sqrt(2)~~1.4142142=21.414214

Explanation:

sqrt(2)~~1.41421421.414214 and it is a positive value, so the absolute value applied to sqrt(2)2 basically keep it unchanged.
|f(x)|={(f(x) " if f(x)">="0" ),(-f(x) " if f(x)<0"):}