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Linear Algebra

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Vector Norm: Basic Computation in Three Dimensions

LINALG-QKNM4B

Let $\boldsymbol{u} = \begin{bmatrix} 1\\\ -1\\\ 2\end{bmatrix}$

Compute $\Vert \boldsymbol{u}\Vert$

A

$2$

B

$\sqrt{2}$

C

$\sqrt{3}$

D

$\sqrt{6}$

E

$\sqrt{5}$

F

$1$