Find the length and direction (when defined) of uxv 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. 7 2 10 The direction of uxv is i+ k. 317 317 3/17 (Type exact answers, using radicals as needed.) B. The direction of u xv is undefined. |vxu|= (Type an exact answer, using radicals as needed.)