If the unit vectors `vec(a)` and `vec(b)` bare inclined at an angle `2 theta` such that `| vec(a) - vec(b) | <1`

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Q 2211078820.     If the unit vectors `vec(a)` and `vec(b)` bare inclined at an angle `2 theta` such

that `| vec(a) - vec(b) | <1` and `0 le theta le pi`, then `theta` lies in the interval
A

`[0, pi /6]`

B

`(5pi /6, pi]`

C

` [ pi/6 , pi/2 ]`

D

`[ pi/2, 5pi/6 ]`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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