- #1
cscott
- 782
- 1
"Use the triangle inequality to prove that:
[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?
[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?