- #1
DERRAN
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Homework Statement
Find f'(x)= 16x - x-2 using first principles.
Homework Equations
x
http://img153.imageshack.us/img153/8403/597137697c1f605c7a43d34qz4.png
The Attempt at a Solution
I used dy/dx and got 2x-3 + 16 but I get something different when I use the formula I attempted several times and I can't get the same answer as the dy/dx.
Please need help!
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