Complex Numbers Prove that 1. ∣Z_1 +Z_2 ∣≤∣Z_1 ∣+∣Z_2 ∣ 2. ∣Z_1 −Z_2 ∣≥∣Z_1 ∣−∣Z


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

$C o m p l e x N u m b e r s$ $P r o v e t h a t$ $1 . ∣ Z_{1} + Z_{2} ∣\leq∣ Z_{1} ∣ + ∣ Z_{2} ∣$ $2 . ∣ Z_{1} - Z_{2} ∣\geq∣ Z_{1} ∣ - ∣ Z_{2} ∣$
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