SOLUTION: Find the derivative of y=x using the first principle of differenciation 2) y=2x²

SOLUTION: Find the derivative of y=x using the first principle of differenciation 2) y=2x²—x

Question 1210577: Find the derivative of y=x using the first principle of differenciation
2) y=2x²—x
Answer by KMST(5334) (Show Source): You can put this solution on YOUR website!
I assume that in your class what was called the first principle of differentiation is that the derivative of a function is
the limit of when tends to zero.

For or , ,

,
but does not depend on ,
so the limit of when tends to zero is and or

For or ,

, and the limit of when tends to zero is , so
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