Find the length and direction when defined of u xv and vxu u 8i 3j 5k v 4i 4j 2k luxv 6 17 Type an exact answer using radicals as needed Select the correct choice and fill in any answer boxes in your choice below A The direction of u x v is 14 i 4 Type exact answers using radicals as needed OB The direction of u xv is undefined 20 k