A=⎡⎢⎣123456789⎤⎥⎦The new matrix formed after interchanging 2nd and 3rdrows will be
If A is a square matrix ⎡⎢⎣123456789⎤⎥⎦ then A+AT is a symmetric matrix.
If A = ⎡⎢⎣248691875⎤⎥⎦ and B = ⎡⎢⎣123456789⎤⎥⎦ then the third element of the first row of A - B = -------