Problem 13. (1 point) Use integration by parts to evaluate the integral. 5x cos(3x) de O+c Problem 14. (1 point) 1. The form of the partial fractions expansion of the rational function (10, | 46)/ 4: . where A, B, C, D are contants, is: B OA. 74 7 (x 4) 249r+45 COLD OB. TIR + 19140 (x]-4) B + CED OC. (x 2) + (x+2) 2 4 9r | 45 O D. None of these OE, ArtB F-4914 45