Find the norm of $v$, and a unit vector that is oppositely directed to v. (a) $v=(2,2,2)$ (b) $\mathbf{v}=(1,0,2,1,3)$
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The norm of $v$ is $\|v\| = \sqrt{2^2 + 2^2 + 2^2} = \sqrt{12} = 2\sqrt{3}$. ** Show moreā¦
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