Question

 

The value of λ for which the matrix product

      

is an identity matrix 

Solution

Correct option is

 

   

       

          

         

       

You may verify other elements will also satisfy the criteria.

SIMILAR QUESTIONS

Q1

Find the rank of the matrix

         

Q2

Find the Adjoint of matrix  

          

Q3

Find the inverse of the matrix

        

Q4

If A and B are two matrix such that AB = B and BA = A, then A2 + B2 =

Q5

If A and B are square matrices of size n × n such that A2– B2– = (A – B)(AB), then which of the following will be always true  

Q7

Then the value of α is

Q8

If  be the complex cube roor of unity and , then A70 is equal to

Q9

If A diag [d1d2d3], then An is equal to

Q10

 

If B is the inverse of A, the  is