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What are the DR's of a vector parallel t...

What are the DR's of a vector parallel to (2,-1,1) and (3,4,-1)

A

(1,5,-2)

B

(-2,-5,2)

C

(-1,5,-2)

D

(-1,-5,-2)

Text Solution

Verified by Experts

The correct Answer is:
A
Required DR's are (3-2,4+1,-1-1), i.e., (1,5,-2)
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