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The two vectors veca =2hati+hatj+3hatk a...

The two vectors `veca =2hati+hatj+3hatk and vecb =4hati-lamdahatj+6hatk` are parallel, if `lamda` is equal to: a) 2 b) -3 c) 3 d) -2

A

2

B

`-3`

C

3

D

`-2`

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The correct Answer is:
D
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