Please answer all questions completely, this is the second time that I post these questions to get the answers, thank you!

Solve and choose the correct opption for the following questions 4 1 ) suppose that we have u , and U two Perpandi culay vectors in R and lull = 2, llV11 = 3, then 1lux ( V + 4) /1 =? a ) 6 b ) 12 c) 10 djo e ) None of the above Q 2) suppose we have k and e, such that & is a read number and I is the line whose equation is giving by what is the value of k, if I does'nt lie on the Plane xtytz = 1 aj k = 2 b k = 2 c k = - l dj k= 3 ( ) None of the above(31 suppose L denote the line J-GJ + , TER Find the Point on L which is closest to the Point P ( 2 , - 1 , 4 ) ? ( ) ( - 1 , - 2 , 1 ) dj ( 0 , 35 , 3 2) e) None of the above Pu) suppose fig, 2, y are numbers such that det (z g ) = 2, Then solve fore f- 2x 9- 24 2 det gtf 0 = ? o a ) - 2 ( ) - 4 er None of the b) 2 above