If the line through the points `A (k, 1, -1)` and `B (2k, 0, 2)` is perpendicular to the line through the points `B` a

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Q 2309067818.     If the line through the points `A (k, 1, -1)` and
`B (2k, 0, 2)` is perpendicular to the line through the
points `B` and `C(2 + 2k, k, 1)`, then what is the value
of `k`?
NDA 2010 Paper 1
A

`-1`

B

`1`

C

`-3`

D

`3`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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