The standard triangle inequality states that .
So let .
Hi guys, Im taking calculus in university but i'm having some trouble with some kinds of problems.
can some one help me prove this:
abs(a-b) <= abs(a) + abs(b) for all real numbers of a and b
i get very confused when i see abs values =((
thanks in advance
You have been told exactly what to do. What don't you understand about reply #2?
By the way: http://math.ucsd.edu/~wgarner/math4c...gleinequal.htm