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If the vectors vec a = ki +3j and vec b ...

If the vectors `vec a = ki +3j` and `vec b = 4i + kj (k ne 0)` are collinear then

A

`k^(2) =12`

B

k =-3

C

`k^(2) = 4`

D

k = -4

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HIMALAYA PUBLICATION-VECTORS AND THEIR APPLICATIONS-QUESTION BANK
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