ismailhajisaid8359 ismailhajisaid8359 11-03-2024 Mathematics contestada Suppose that A = [[a-3,5],[-3,a-2]] Find the determinant of matrix AA. det(A)=a²+a+21B. det(A)=a²-5a-9C. det(A)=a²-5a+21D. None of these answers E. det(A)=a²-5a+9