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1.
2.
If a matrix A is both symmetric and skew symmetric then matrix A is
3.
Total number of possible matrices of order 2 x 3 with each entry 1 or 0 is
4.
If A is a square matrix such that A²=A, then (I + A)² – 3A is
5.
If matrices A and B are inverse of each other then
6.
The diagonal elements of a skew symmetric matrix are
7.
If A = diag(3, -1), then matrix A is
8.
If a matrix has 6 elements, then number of possible orders of the matrix can be
9.
If A = [aij] is a 2 x 3 matrix, such that 
then a23 is