The vector equation of the line joining ...

The vector equation of the line joining the points (2,1,3) and (-2,4,1) is

A

`vecr=2hati+hati+3hatk+lambda(-4hati+3hatj-2hatk)`

B

`hatr=2hati+hatj+3hatk+lambda(4hati+3hatj+2hatk)`

C

`vecr=-2 hati+hatj+3hatk+lambda(-4hati-3hatj-2hatk)`

D

`hatr=2hati+hatj+3hatk+lambda(3hati-4hatj-2hatk)`

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The correct Answer is:

A

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