If u=xi+yj, then |u|= | ClassNotes

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If u=xi+yj, then |u|= | ClassNotes

E

Editor

Sep 18, 2022

If u=xi+yj, then |u|=

Difficulty: Easy

A:

x^{2}+y^{2}

B:

(x^{2}+y^{2})${2}

C:

x^{2}-y^{2}

D:

\sqrt{x^{2}+y^{2}}

ID: 63273dbaca83163ac3a13217