Question 2 (15 marks) clo 2,3 for the following matrix 7 2 1 0 3-1 a= -3 4 -2 write the minors of a. a) -3 -2 -34 c=8-11 where b) the cofactors of a is the matrix c -5 7 21 find adj(a) a= then c) if det(a)=1 d) recall that when ax = b find the solution of this system (x-a'b) hint: 21 1 7 2 y 5 -1 3 -1 -3 4-2z er e