Question -
Answer -
(i) 
(ii) 
(iii) 
(iv) 
Solution
(i)
Thus, 
is a symmetric matrix.
Thus, 
is a skew-symmetricmatrix.
Representing A asthe sum of P and Q:
(ii)
Thus, is a symmetric matrix.
Thus, is a skew-symmetricmatrix.
Representing A asthe sum of P and Q:
(iii)
Thus, is a symmetric matrix.
Thus, is a skew-symmetricmatrix..
Representing A asthe sum of P and Q:
(iv)
Thus, is a symmetric matrix.
Thus,is a skew-symmetric matrix.
Representing A asthe sum of P and Q:
