Find the length and direction (when defined) of u xv and vxu. u = -6i - 4j-6k, v=3i+ 3j+2k The length of u xv is (Type an exact answer, using radicals as needed.) Select the correct choice and fill in any answer boxes in your choice below. Dj+( O A. The direction of u xv is i+ (Type exact answers, using radicals as needed.) O B. The direction of u xv is undefined. The length of vxu is (Type an exact answer, using radicals as needed.) Select the correct choice and fill in any answer boxes in your choice below. Dj+( OA. The direction of vxu is ( Di+C (Type exact answers, using radicals as needed.) OB. The direction of v xu is undefined. k.

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