Let M be a 2 x 2 symmetric matrix with integer entries. Then M is invertible if
(A)the first column of M is the transpose of the second row of M
(B)the second row of M is the transpose of the first column of M
(C)M is a diagonal matrix with nonzero entries in the main diagonal
(D)the product of entries in the main diagonal of M is not the square of an
Integer
Let M be a 2 x 2 symmetric matrix with integer entries. Then M is invertible if
(A)the first column of M is the transpose of the second row of M
(B)the second row of M is the transpose of the first column of M
(C)M is a diagonal matrix with nonzero entries in the main diagonal
(D)the product of entries in the main diagonal of M is not the square of an
Integer
(A)the first column of M is the transpose of the second row of M
(B)the second row of M is the transpose of the first column of M
(C)M is a diagonal matrix with nonzero entries in the main diagonal
(D)the product of entries in the main diagonal of M is not the square of an
Integer










