Can Cramer's rule be used to solve this system of equations? 5x1 + 3x2 = OT 8x1 5x2 = -2 Yes O No If Yes, write the determinants used to compute x2 . det( X2 = det( (88). Compute X? = Add Work Submit QuestionSolve the system using Cramer's Rule. 3x + y + 4z = 1 - x + 6y - 62 = - 38 - 3x + 2y + 5z = 26 Find the determinant D (denominator). D = Find the determinant D. associated with x. Dr = Find the determinant Dy associated with y. Dy Find the determinant D, associated with z. D, = The solution is (x, y, z) = ( Add Work Submit QuestionQuestion 4 0/2 pts 96 2 0 Details Given the vector a = - 52 + 6j - 30k Find the unit vector in the same direction in ijk form Add Work Submit Question Question 5 0/2 pts 96 2 0 Details Let u = (3, 4, - 1, -1). Then |ul Add Work Submit QuestionQuestion 6 0/2 pts 96 2 0 Details The angle between the vectors a = ( - 2, - 2, 0) and b = ( - 5, - 1, 1) (measured in radians) is: 0 = Add Work Submit Question Question 7 0/2 pts 96 2 0 Details Let a = ( - 3, - 4, 4) and b = ( - 3, - 2, k). Find k so that a and b will be orthogonal. K = Add Work Submit QuestionQuestion 8 0/2 pts 5 6 72 8 Details If a = (4, - 5, 3) and b = ( - 3, 3, - 4) then: proj, b = Add Work Submit