if ln(2x=y)=x=1 then dy/dx =
n(2x+y) = x +1 Differentiate both sides, using the Chain Rule on the left side. (1 / (2x + y)) d(2x + y)/dx = 1 (1 / (2x + y)) (2 + dy/dx) = 1 Rearrange to isolate dy/dx.