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The direction cosines of AB if A-=(2,-3,...

The direction cosines of AB if `A-=(2,-3,1)andB-=(14,5,-3)` are

A

`(3)/(sqrt(14)),(2)/(sqrt(14)),(1)/(sqrt(14))`

B

`(3)/(sqrt(14)),-(1)/(sqrt(14)),-(2)/(sqrt(14))`

C

`-(3)/(sqrt(14)),-(1)/(sqrt(14)),(2)/(sqrt(14))`

D

`(3)/(sqrt(14)),(2)/(sqrt(14)),-(1)/(sqrt(14))`

Text Solution

Verified by Experts

The correct Answer is:
D
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