Accedmychevron_right11thchevron_rightmathchevron_rightComplex Numberschevron_rightExercise 1.5

Theory

  • If z=1|z|=1 then zzˉ=1z\bar z=1 and hence:
zˉ=1z\bar z=\frac{1}{z}
  • Also:
w2=wwˉ|w|^2=w\bar w

This helps compare moduli by expanding products.