Question

Find dy/dx: y^2-xy=3

Answer 1

differentiating wrt x we get 2ydy/dx - y - xdy/dx = 0
= dy/dx = y/(2y + x)

Answer 2

differentiate with respect to x
2ydy/dx-xdy/dx-y=0
dy/dx(2y-x)-y=0
dy/dx=y/(2y-x)