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= 26,8 ‧ e^(-i26,5°)
Z2 = R2 + iXL2 = 20 + i11 = √(〖20〗^2+〖11〗^2 ) ‧ e^(iarctg(11/20)) = 22,8 ‧ e^(i28°,48΄) =
22,8 ‧ e^(i28,8°) Ом
Z3 = R3-iXС3 = 18 – i8 = √(〖18〗^2+(-〖8)〗^2 ) ‧ e^(iarctg(-8/18)) = 19,7 ‧ e^(-i23°,57΄) =
19,7 ‧ e^(-i23,9°) Ом
Z23 = (Z_2 ‧ Z_3)/(Z_2+Z_3 ) = (22,8 ‧ e^(i28,8°) ‧ 19,7 ‧ e^(-i23,9°) )/( 20 + i11 + 18 – i8) = (449,16 ‧ e^(i4,9°))/(38 + i3) = (449,16 ‧ e^(i4,9°))/(38,1 ‧ e^(i4°) ) =
= 11,7 ‧ e^(i0,9°) = 11,7 ‧ (cos ‧ 0,9 + isin ‧ 0,9) = 11,7 + i0,18
Zобщ = Z23 + Z1 = 11,7 + i0,18 + 24- i12 = 35,7 – i11,8 = 38,5 ‧ e^(-i11,8°)