How do you implicitly differentiate -y=xy+2sqrt(x-y^3) ?

1 Answer
Aug 18, 2017

dy/dx=-(x-y^3)^(1/2)/(x(x-y^3)^(1/2)+(1-3y^2)+(x-y^3)^(1/2)

Explanation:

-dy/dx=xdy/dx+y+...

2sqrt(x+y^3)=2(x-y^3)^(1/2) derivative of that equal to

(x-y^3)^(-1/2)*(1-3y^2dy/dx)

with some math

get dy/dx in one side and all in the other side

dy/dx=-(x-y^3)^(1/2)/(x(x-y^3)^(1/2)+(1-3y^2)+(x-y^3)^(1/2)

I need someone to check my answer or explain further, and I will be thankful.