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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