Which of the following is (are) NOT the square of a `3 xx 3` matrix with real entries?

Which of the following is (are) NOT the square of a 3xx3 matrix with real entries ?

Which of the following is (are) NOT the square of a 3xx3 matrix with real entries ?

Which of the following is (are) NOT the square of a 3xx3 matrix with real entries ?

Which of the following is (are) NOT the square of a 3xx3 matrix with real entries? (a)[[1, 0, 0],[ 0, 1, 0],[ 0, 0,-1]] (b) [[-1, 0, 0] ,[0,-1, 0],[ 0, 0, -1]] (c)[[1, 0, 0],[ 0, 1, 0],[ 0, 0, 1]] (d) [[1, 0, 0],[ 0,-1, 0],[ 0, 0,-1]]

Which of the following is (are) NOT the square of a 3xx3 matrix with real entries? [1 0 0 0 1 0 0 0-1] (b) [-1 0 0 0-1 0 0 0-1] [1 0 0 0 1 0 0 0 1] (d) [1 0 0 0-1 0 0 0-1]

Which of the following is(are) NOT of the square of a 3xx3 matrix with real enteries?

Which of the following is a 1xx3 matrix ?

Write true or false in the following case: The sum of a 3xx4 matrix with a 3xx4 matrix is a 3xx3 matrix.