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The angle between a line with direction ...

The angle between a line with direction ratios `lt 2, 2, 1gt` and a line joining the points `(3,1,4) and (7,2,12)` is

A

`cos^(-1)((2)/(3))`

B

`cos^(-1)((-2)/(3))`

C

`tan^(-1)((2)/(3))`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
(a)
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