Question

Calcule a derivada no ponto dado: x . y2 - 2 . y3 = x - 2y, P(1,1)

Answer 1

1.y^2 +2ydy/dx - 3y^2dy/dx =1 -2dy/dx

isolando dy/dx

2y.dy/dx -3y^2.dy/dx+2dy/dx=1-y^2

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

dy/dx=1-y^2/2y-3y^2+2 Só terminar