13 SECoND,心HT工sk(5-z,)? THE PHASE IS MEASvRED FRoM THE REAL LIAE To THE VECToR. YC0MTR,中,十中2=360° 区(s。-2,)+4(5。-2)-由,+d 360 COMPLEX CONJUGATE ZEROS/POLES ADD MULTPLES oF 360 To THE PHASE,BUT THIS AMOUNT OF PHASE IS NOT IMPORTANT DN THE CALCULATION WE ARE DOING I → COMPLEX POLES ZEROS CAN B∈m6 NoRED THUS ONLY THE REAL POLES AND ZE ROS OF ()De队MNEF丹oa· N OF THE RI∈升L LNE工sPA"T0 F THE LOCU P LOCUS POINTS ON THE REAL LINE ARE THE LEFT OF AN ODD NUMBER oF REAL-.5PLE502∈2.(130·L0 WHY?