need 8 Evaluate "S 88 I-("S - In (use poles of Z Z = residue formula) Biz ²² +16=0 Res (22 +16 312 2 = 4 1- we eget; 4ie-12 8i зіх xe x² +16 x sin 3x x² +16 Z=4i✓ only above x-axis P (42) V'(4i) ze 2² +16 = ± 41 p(z)= P(4i) q (2) = 2² +16 V'(4i) = 8i £ Je = dx зіг ze 204 ie ³i (41) = 4ie-12 : Im (23Li x kes / _12) Im (2.50 i ㅗ I'm (tie -12 dx

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