How do you implicitly differentiate 4x^2+2x+xy=3?

Dec 3, 2015

Make sure you use the chain rule when differentiating the variable y ...

Explanation:

implicitly ...

$8 x + 2 + y + x y ' = 0$

Now, solve for y' ...

$y ' = \frac{- \left(8 x + 2 + y\right)}{x}$

hope that helped