I might say yes but I dont know how to begin the proof . Could someone give me any hints???

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- January 30th 2013, 04:53 AMcummings123321triangle inequality
I might say yes but I dont know how to begin the proof . Could someone give me any hints???

- January 30th 2013, 01:43 PMchiroRe: triangle inequality
Hey cummings123321.

Try writing the definition down first. (Hint: Select two vectors that add up to zero that are negatives of each other).