Don't Guess, Solve it!
Algebra
Level
3
If \(a, b, c\) are the sides of a triangle, then find the minimum value of the expression \[\frac { a }{ c+a-b } +\frac { b }{ a+b-c } +\frac { c }{ b+c-a } .\]
(This question is a modification of the one that appeared in RMO 1999)
by
Ninad Akolekar