Find dy/dx for x^2 + 4xy + y = 9

[chsunshine]

find dy/dx

x^2+4xy+y=9

:?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?:

thank you

 

[morson]

Solve for y:

y = (9 - x^2)/(4x + 1)

Now what?

 

[skeeter]

Re: Please Help!!!

find dy/dx
x^2+4xy+y=9

... familiar with implicit differentiation?

\(\displaystyle \L 2x + 4x\frac{dy}{dx} + 4y + \frac{dy}{dx} = 0\)

solve for \(\displaystyle \L \frac{dy}{dx}\)