Show that T1 = y(t1) - y1, the local truncation error of the forward Euler method applied to (3) when doing one step starting from t = 0, satisfies T1 = e^h - 1 - h. Evaluate T1 with step size h = 1/2, 1/4 and 1/8. Explain why these errors support the fact shat the method is first order.