Let Now consider the matrix

Then, the matrix is 

Let denote the eigenvalues of the matrix  

If , then the set of possible values of t, is 

Suppose that the characteristic equation of is

where with . 

Which of the following statements is TRUE?

If AA is a 3×33\times3 matrix with eigenvalues 2,-1,4 then  |A| = ____________

The value of , where is the circle , is

Consider an matrix and a non-zero vector . Their product , where and . Based on the given information, the eigen value of is:

The value of , where is the circle , is

The eigenvalues of the matrix 

 are 

The value of , where is the circle , is