If `(1,2,4) and (2,-lamda,-3)` are the initial and terminal points of the vector `hati+5hatj-7hatk`
Channel: Doubtnut
Date: 12/04/2020

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