natiman692 natiman692

29-07-2021
Mathematics

contestada

prove ||a+b|| ≤ ||a||+|b||

Respuesta :

Аноним Аноним

29-07-2021

Step-by-step explanation:

|a+b|=✓(a²+b²)

|a|+|b|=a+b

||a+b|| ≤ ||a||+|b||

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