928 Use the sum of residues to find the unknown residues in the following expansions: (a) Fi(s)=-...

9–28 Use the sum of residues to find the unknown residues in the following expansions:

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(a) Fi(s)=- (b) F(s)= 600 4 (s+10)(s+20)(s+30) s+10 s+20s+30 2(s+10) (s+15) (s+20) s+15 k + s+20 3. k 3 + +