複選題6. (5%) Assume.Which statements are always true?(A) c0=0 (B) c1=0 (C) C2=0 (D)(E)

4. (5%) Consider the equationwiththe boundary conditions y(0)=0.y(π)=π.Which statements are correct? (A) The particular solution is yP =-x. (B) The general solution is y=ex sinx+x. (C) There is a unique solution to this boundary-value problem. (D) This differential equation is homogencous. (E) None of the above.