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The angle between a line with direction...

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

A

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

B

`cos^(-1)((3)/(4))`

C

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

D

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

Text Solution

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The correct Answer is:
A
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