"Use the triangle inequality to prove that:(adsbygoogle = window.adsbygoogle || []).push({});

[tex]||\vec{a}|| - ||\vec{b}|| \le ||\vec{a} - \vec{b}||[/tex]"

I can start from that expression and prove it true using the Cauchy-Shwarz inequality but I don't think that's what's asked. Any hints?

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# Homework Help: Triangle Inequality

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