Let A be a 4×44×4 matrix with eigen values -5,-2,1,4. Which of the following is an eigen value of the matrix[AIIA][AIIA], where II is the 4×44×4 identity matrix?

a.-5

b…-7

c.2

d.1

Let A be a 4×44×4 matrix with eigen values -5,-2,1,4. Which of the following is an eigen value of the matrix[AIIA][AIIA], where II is the 4×44×4 identity matrix?

a.-5

b…-7

c.2

d.1