Homework Statement
If F(x,y)=0 find d^2y/dx^2 in terms of the partial derivatives of F(x,y).
Homework Equations
dy/dx= -Fx/Fy
The Attempt at a Solution
I tried to differentiate dy/dx with respect to x again, I thought I can get d^2y/dx^2 . But I couldn't find it. Actually I don't...