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svetoff [14.1K]
2 years ago
9

Prove ||a+b|| ≤ ||a||+|b||​

Mathematics
1 answer:
ANTONII [103]2 years ago
4 0

Step-by-step explanation:

|a+b|=✓(a²+b²)

|a|+|b|=a+b

||a+b|| ≤ ||a||+|b||

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