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Determinant can be taken only of……. matrices.
a) Rectangular                     
b) row          
c) column                              
d) square

d

Notation used for determinant of matrix A is….
a) |A|                      
b) A/I             
c) det A                  
d) both a and c

d

The determinant of a 2-by-2 matrix is obtained by multiplying entries on the main diagonal and subtracting from it the product of entries laying on the………….
a) main diagonal                 
b) right diagonal
c) secondary diagonal       
d) all of these

c

Explanation:3 × 3= 9 (odd)


Determinant of a square matrix                        :


Determinant can be taken only of……. matrices.
a) Rectangular                     
b) row          
c) column                              
d) square

d

Notation used for determinant of matrix A is….
a) |A|                      
b) A/I             
c) det A                  
d) both a and c

d