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Vectors quiz: qn 1/14
What is
∣
(
5
−
5
−
4
)
∣
?
{\left| \begin{pmatrix}5\\-5\\-4\end{pmatrix} \right|?}
∣
∣
⎝
⎛
5
−
5
−
4
⎠
⎞
∣
∣
?
4
{4}
4
66
{\sqrt{66}}
66
(
25
25
16
)
{\begin{pmatrix}25\\25\\16\end{pmatrix}}
⎝
⎛
25
25
16
⎠
⎞
14
{14}
14
66
{66}
66
(
5
5
4
)
{\begin{pmatrix}5\\5\\4\end{pmatrix}}
⎝
⎛
5
5
4
⎠
⎞