Question

1 4. Evaluate d z, where y is the circle of radius 9 and center 0. Irez -1°

Hello

Could you please solve this problem with the clear hands writing to read it please? Also the good explanation the solution is to understand it by step by step PLEASE.

the subject is Complex analysis

Calculus of Residues

Answer 1

is the chrole of radius 9 omed conter o, Sinne So 2) Here To fand boles, me OA!,t2,nn, insidle the boles hes Z20, 27,- 27 Circk z/-9. by renslu theorem NOw - Ime Bes fle) + Res fre) + Res fe) 2-2

Residue. Here Re. means Smce an boles wre 8Ample. Res fez) z lim 2-70 Z=0 246 Res fo) z lim -2n) [ ] 24, nEZ Z4202 Res fr2) = lim tet2R2) . Z2-2 Z-)-2R' 1. this using Home Hene the resUlA.