Question

Solution

Correct option is

In |A|, the cofactor of  and the cofactor of . Also the cofactor of  and the cofactor of . Therefore the matrix B formed of the cofactor of the elements of |A| is  

           

Now Adj A = the transpose of the matrix   

         .

SIMILAR QUESTIONS

Q1

 :

Q2

then the number of solutions of the system of equations

      

Q5

For what value of k do the following homogeneous system of equations possess a non-trivial solution ? 

          

          

          

Q6

Find value of  for which the set of equations  

           

           

          

are consistent.    

Q7
Q8

Find the product of the matrices

       .

Q10

Find the inverse of the matrix .