The value of `lambda` for which the four points
`2hati + 3hatj -hatk , hati - 2hatj + 3hatk`
`3hati + 4hatj - 2hatk , hati - 6hatj + lambdahatk` are coplanar is

Options

A. 2
B. 4
C. 6
D. 8

Answer

C