Use Euler's method to obtain a four-decimal approximation of the indicated value. Carry out the recursion of the equation Yn + 1 = Yn + hf(xn' Yn) by hand, first using h = 0.1 and then using h y(0.2) y(0.2) y' = x + y, y(0) = 0; y(0.2) (h = 0.1) (h = 0.05) = 0.05.