Q4.1 Two integrals. Calculate I = e-y cos xy dy 0 and hence find J = JoJo e-y cos xy dydx. One of the following is true. (A) I = 1/(x + x2) and J diverges. (B) I = x/(1+ x2) and J = } log 2. (C) I = 1/(1 + x2) and J = 1/4. (D) I diverges; (E) I = 1/(1 + x2) and J = log 2