A) \[|{{z}_{1}}+{{z}_{2}}|\le |{{z}_{1}}|-|{{z}_{2}}|\]
B) \[|{{z}_{1}}-{{z}_{2}}|\ge |{{z}_{1}}|+|{{z}_{2}}|\]
C) \[|{{z}_{1}}+{{z}_{2}}|\ge |{{z}_{1}}|+|{{z}_{2}}|\]
D) \[|{{z}_{1}}-{{z}_{2}}|\le |{{z}_{1}}|+|{{z}_{2}}|\]
Correct Answer: D
Solution :
\[|{{z}_{1}}-{{z}_{2}}|\le |{{z}_{1}}|+|{{z}_{2}}|\]is correct.
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