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John
Posts:
54
Registered:
12/6/04


Re: The derivative of x^2 = ?
Posted:
Mar 4, 2005 1:30 AM


Yes You are missing something
Derivative of x^2 is 2x. just look at x*x and do the product rule
f'x= x*1+1*x = x+x = 2x
as stated before x*x cannot equal x+x+x+x+...+x. Only when x is a real number. so just stick with the product rule



