" The matrix "P=[[0,0,4],[0,4,0],[4,0,0]]" is a "

The matrix A= [[0, 0, 4] ,[0 ,4, 0] ,[4 ,0, 0]] is a (a) square matrix (b) diagonal matrix (c) unit matrix (d) none of these

The matrix [[0,2,-4],[-2,0,-6],[4,6,0]] is

The inverse of the matrix [[-0.5,0,0] , [0,4,0] , [0,0,1]] is

The inverse of the matrix A = [[2,0,0],[0,3,0],[0,0,4]] is

Express the matrix A=[[3,1,4] , [0,2,6] , [0,0,5]] as the sum of symmetric and skew-symmetric matrix

Express the matrix A=[[3,1,4] , [0,2,6] , [0,0,5]] as the sum of symmetric and skew-symmetric matrix

The matrix [{:(1,0,0),(0,2,0),(0,0,4):}] is a

The matrix [{:(1,0,0),(0,2,0),(0,0,4):}] is a

The matrix [{:(1,0,0),(0,2,0),(0,0,4):}] is a

The matrix A=[{:(1,0,0),(0,2,0),(0,0,4):}] is a .......