Question

A’ is any square matrix, then det  is equal to :

Solution

Correct option is

Can be 0 or a perfect square

If A is a square matrix, then A – AT is a skew-symmetric matrix, then is ‘O’ or a perfect square as A is of odd order or even order.

SIMILAR QUESTIONS

Q1

The set of equations  

        ;  

        ;  

        

.

Q3
Q4

 

If xyz are integers in AP, lying between 1 and 9, and x51, y41 and z31 are three-digit numbers then the value of

         

Q6
Q7

Let p be a non-singular matrix  (O denotes the null matrix), then p–1 is ;

Q8

If D = diagonal [d1d2d3, … dn] where  thenD–1 is equal to:

Q9

Let A be an orthogonal non-singular matrix of order n, then  is equal to :

Q10

 represent the sides of a triangleABC, then  is equal to :