Complex-Numbers-Prove-that-1-Z-1-Z-2-Z-1-Z-2-2-Z-1-Z-2-Z-1-Z-2-

Question Number 186540 by akuba last updated on 05/Feb/23

C o m p l e x N u m b e r s

P r o v e t h a t

1 . ∣ Z_{1} + Z_{2} ∣\leq∣ Z_{1} ∣ + ∣ Z_{2} ∣

2 . ∣ Z_{1} - Z_{2} ∣\geq∣ Z_{1} ∣ - ∣ Z_{2} ∣