=xy' also satisfy y' (1+3xy). Let y-fix) be a dx 9. Solutions to the differential equation. particular solution to this differential equation with f(1) = 2. denr (a) Write an equation for the line tangent to the graph of y=f(x) at x = 1. (b) Use the tangent line equation from part (a) to approximate f (1.1). (c) Find the particular solution to this differential equation with initial condition f(1)-2. differential equations.