The inverse of a diagonal matrix, whose principaldiagonal elements are `l, m` is

The inverse of a diagonal matrix is a:

Inverse of a matrix

In a skew-symmetric matrix, every principal diagonal element is

Inverse of a diagonal non-singular matrix is

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

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

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

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

The sum of the principal diagonal elements of a square matrix is called