Find dydx by implicit differentiation y2 xyx2 ySolutiongiv
     Find dy/dx by implicit differentiation: y2 = (x-y)(x2 + y) 
  
  Solution
given this, let\'s expand this, then
 
 y^2 = x^3-x^2y+xy-y^2
 
 by using implicit diff,
 
 2y dy/dx = 3x^2-(2xy+x^2 dy/dx) + y + x dy/dx -2y/ dx
 
 ==> (2y+x^2-x+2y) dy/dx = 3x^2-2xy+y
 
 (4y+x^2-x) dy/dx = 3x^2-2xy+y
 
 dy/dx = (3x^2-2xy+y) / (4y+x^2-x)

