Re: euclidean distance question

["asdf"]

By distance I mean the if the you are comparing squares (a1,a2,a3,a4)
to squares ( b1,b2,b3,b4 ) I mean distance = ( a1-b1)^2 + (a2-b2)^2 +
(a3-b3)^2 + (a4-b4)^2.  I'm think now it follows that from R^2 case
that this is true..