Treadstone 71 Messages 275 Reaction score 0 Thread starter May 4, 2006 #1 If a,...,d are functions and a~b, c~d, can I conclude that a-c~b-d?
mathman Science Advisor Homework Helper Messages 8,130 Reaction score 575 May 4, 2006 #2 No. Example a=b=xn, c=xn-xn-1, d=xn-xn-2 Fix n>1 and x->inf.