Consider the equation ty4 = 2xy+ 1 . a) Use implicit differentiation to find the derivative of y with respect to . Your answer will be a function of both a and y . dy dx b) Now find the equation of the tangent line to the curve described by a + y = 2xy + 1 at the point (0, 1) Answer: FORMATTING: Your answer must be in the form of an equation for y in terms of a; e.g. y = ax + b