Page 95 - Calculus with Complex Numbers
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Simple pole with residue - 1/2.
     8 .

















     4  Integrals
                         2n.
                                jej, tyj x my

            J
         (i) J Re z dz = j (cos t)        .
              '
             p










         (i) Ic'.f I = cRe : s c2 for c e y . Length of y is 2:7r .
         (ii) Isin zl s sinh 1, I z + i Ik: V' for z eEy . Length of y is n'.



                                   1
        (iii) Iz - 21:é  10, Iz - 31k: 2 for z eE y . Length of y is 8.


         (i) Singularity at 1. Residue 2.
         (ii) Singularities at Ljzn'i . Residues EEFE 1/2zrï .

        (iii) Singularities at 2,4. Residues EEFE1/2.
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