Question

If vector A=i+j+k then its magnitude will be ​

Answer 1

Explanation:

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$given \: \\ \\ a = i \: + j + k \\ \\ now \: \\ \\ unit \: vector \: in \: \\ \\ the \: direction \: of \: a \: is \: \\ \\ a = \frac{a}{{a}} = \frac{i + j + k}{ \sqrt{3} } \\ \\ therefore \: vector \: of \: \\ \\ magnitude \: 8 \: units \: \\ \\ in \: the \: direction \: of \: a \: \\ \\ = \frac{8}{ \sqrt{3} i} + \frac{8}{ \sqrt{3}j } + \frac{8}{ \sqrt{3} k}$

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