Find the cross products u xv and v xu for the vectors u = (3,4, - 8) and v = ( - 1, - 1, 1). UXV = i + + k (Simplify your answers.) V XII = + k (Simplify your answers.)Find the area of the parallelogram that has two adjacent sides u = - i + 1k and v = 2i + 2j+ 2k Find u xv. U XV = (Simplify your answers.) The area of the parallelogram is (Simplify your answer. Type an exact answer, using radicals as needed.)