In Exercises 1 through 12, let A = (1,2,3), B = (4,-3,-1), C- (-5,-3,5), D= (-2,1,6), E= (4,0,-7), and F = (0.2, 1). 1. Find A X B 2. Find D X E 3. Find (C X D) . (E X F) 4. Find (C X E) . (D X F) 10. Find (A X B) x C and A x (B X C). 11. Find (A + B) x (C-D) and (D - C) x (A + B) and verify they are equal. 12. Find |A x B|C X D