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Topic: The derivative of x^2 = ?
Replies: 9   Last Post: Mar 4, 2005 9:31 AM

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John

Posts: 54
Registered: 12/6/04
Re: The derivative of x^2 = ?
Posted: Mar 4, 2005 1:30 AM
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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



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