119k views
3 votes
If a and b are real numbers, then |a-b| is always, sometimes or never equal to |b-a| ?

User Shabir Jan
by
4.2k points

1 Answer

3 votes
Sometimes, because 1-1=1-1, but 2-5 doesn't equal 5-2.
User Franckspike
by
4.7k points