Question

If vector R is equal to x i cap + y j cap + 2 k cap . Find the magnitude of vector R ....plz answer fast as early as possible.

Answer 1

hey buddy here is simple answer

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magnitude of a given vector xi+yj+zk

=
$\sqrt{x {}^{2} +y {}^{2} + z {}^{2} }$

here
x=x
y=y
z=2

so inserting in formula we get

magnitude =

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

thanks

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