If the vectors 3hati+hatj-2hatk,hati+2ha...

If the vectors `3hati+hatj-2hatk,hati+2hatj-3hatk,3hati+lamdahatj+5hatk` are co-planar, the value of `lamda` is

A

`-4`

B

4

C

8

D

`-8`

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