How many statements are true for the following PDE Uxx - 4ux +u; Utt = 4xt I. For a particular solution, it needs 1 boundary and 2 initial conditions. II. It is a parabolic equation. II. It is an elliptic equation. IV. When we use the Laplace transform for the initial conditions u(x,0) = 0, u(x,0) = 0, the coefficient of U(x, s) is s? + s. Setiiniz cevabin iaretlendiini grene kadar bekleyiniz. 10,00 Puan 1 2 D E None of them