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If m (vec2+vecj+veck) is a unit vector t...

If m `(vec2+vecj+veck)` is a unit vector then the value of m is

A

`+-(1)/(sqrt(3))`

B

`+-(1)/(sqrt(5))`

C

`+-(1)/(sqrt(6))`

D

`+-(1)/(sqrt(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
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