The matrix `A=[(1, 0, 0),( 0, 2, 0),( 0, 0, 4)]` is (a) identity matrix (b) symmetric matrix (c) skew-symmetric matrix (d) diagonal matrix

The matrix A=[(0,-5, 8),( 5, 0, 12),(-8,-12, 0)] is a (a) diagonal matrix (b) symmetric matrix (c) skew-symmetric matrix (d) scalar matrix

The matrix A=[(0,-5, 8),( 5, 0, 12),(-8,-12, 0)] is a (a) diagonal matrix (b) symmetric matrix (c) skew-symmetric matrix (d) scalar matrix

The matrix A=[{:(1,0,0),(0,2,0),(0,0,3):}] is: a) scalar matrix b) symmetric matrix c) skew symmetric matrix d) none f these

The matrix A=[0-5 8 5 0 12-8-12 0] is a (a) diagonal matrix (b) symmetric matrix (c) skew-symmetric matrix (d) scalar matrix

The matrix [(0,-5,8),(5,0,12),(-8,-12,0)] is a a) diagonal matrix b) symmetric matrix c) skew symmetric matrix d) scalar matrix

The matrix [(0, 5,-7),(-5, 0, 11),( 7,-11, 0)] is (a) a skew-symmetric matrix (b) a symmetric matrix (c) a diagonal matrix (d) an upper triangular matrix

The matrix [(0, 5,-7),(-5, 0, 11),( 7,-11, 0)] is (a) a skew-symmetric matrix (b) a symmetric matrix (c) a diagonal matrix (d) an upper triangular matrix

If A=[(0,2,-3),(-2,0,-1),(3,1,0)] then A is (A) diagonal matrix (B) symmetric matix (C) skew symmetric matrix (D) none of these

If A=[(0,2,-3),(-2,0,-1),(3,1,0)] then A is (A) diagonal matrix (B) symmetric matix (C) skew symmetric matrix (D) none of these

[(2,3),(3,4)] is a a)Symmetric matrix b)Skew-symmetric matrix c)null matrix d)identity matrix