Let Mbe a 2xx2symmetric matrix with integer entries. Then Mis inve | Filo

class 12

Math

Algebra

Matrices

550
150

Let be a symmetric matrix with integer entries. Then is invertible ifThe first column of is the transpose of the second row of The second row of is the transpose of the first column of is a diagonal matrix with non-zero entries in the main diagonalThe product of entries in the main diagonal of is not the square of an integer

550
150

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