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If (1,2,4) and (2,-3lambda,-3) are the i...

If (1,2,4) and (2,-3`lambda,-3`) are the initial and terminal points of the vector `hati+5hatj-7hatk` , then value of `lambda` is equal to

A

`7/3`

B

`-7/3`

C

`5/3`

D

`-5/3`

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