If A =  is a skew-symmetric matrix, then the value of 2a - (b + c)
 is a skew-symmetric matrix, then the value of 2a - (b + c)
                    
            
            Solution
 
                 is a skew-symmetric matrix, then the value of 2a - (b + c)
 is a skew-symmetric matrix, then the value of 2a - (b + c)
                    