If (a+b)/2 = rad(ab), which of the following can be true
I a>0
II a=0
III a<0
I picked I II and III but apparently its only I and II
If (a+b)/2 = rad(ab), which of the following can be true
I a>0
II a=0
III a<0
I picked I II and III but apparently its only I and II