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

Inverse of diagonal matrix is (A) a diagonal matrix (B) symmetric (C) skew symmetric (D) none of 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 A=[(1, 0, 0),( 0, 2, 0),( 0, 0, 4)] is (a) identity matrix (b) symmetric matrix (c) skew-symmetric matrix (d) diagonal matrix

If A is skew-symmetric matrix then A^(2) is a symmetric matrix.

The inverse of a diagonal matrix is a. a diagonal matrix b. a skew symmetric matrix c. a symmetric matrix d. none of these

A={:[(1,4,9),(-1,2,0),(3,1,9)]:} . Represent A as sum of symmetric and skew symmetric matrix

Express the matrix A={:[(2,-3,4),(-1,4,3),(1,-2,3)]:} as the sum of a symmetric and a skew symmetric matrix

If A is an invertible symmetric matrix the A^-1 is A. a diagonal matrix B. symmetric C. skew symmetric D. none of these

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