Example Solve z"+ 512U3+ j512=0 or Find all the roots of fl3)=2"+572V3+j5]2. 10 on What ure the ten voots of -5/2V3-j512? 10 soln: f(7) ={'+512V3+;512=0 -512 V3 -1512 z° = 1024 cjf- ET) 10 10 Z = T1024 5T-+ 2k 70 2 ell = 2 cjs(-nCh)+ 2ak) Genenl brpressin Geneml Bxpression 10 5

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