Choose an ordered pair (x, y) Write two distinct equations that have that point as a solution Show that your system of equations has the solution (x, y) by solving the system with Gauss-Jordan elimination Check your solution again by using matrix inverse 5 1 '2 3) 2 0) 1_ A25:23:44 $03 Calculate the following a) 3B 20 b) (AB) c) (2/1)" ct) 0'5" 9) 03 1) 3(3") 2. a) Find a nonzero 3 x 3 matrix A such that AT = A. b) Find a nonzero 3 x 3 matrix B such that BY = - E. For matrix A. calculate the determinant, the matrix of cofactors. the adjoint and 'dwe inverse