Contents


b

Symmetric Matrix:


A square matrix is symmetric, if it is equal to its
a) negative                            
b) square           
c) transpose          
d) none of these

c

A symmetric matrix is…..matrix
a) rectangular                                      
b) square
c) row                                    
d) none of these

b

[4] is a ……matrix
a) row                                     
b) square              
c) symmetric                         
d) All of these

d

Explanation:Since it is has one row, its number of rows and columns are equal and its transpose is same as original matrix, so option (d) is correct.



A+At=?
a) symmetric                       
b)
 skew-symmetric           
c) negative                           
d) none of these

a