Question

if A= [2/2/1 0/1/-1 1/3/0] . find A2-5A+4I and hence find a matrix X such that A2-5A+4I+X = 0​

Answer 1

Answer:

let A=[2 3 -1 4] B=[5 2 7 4] C=[2 5 3 8] find the matrix D such that CD-AB=0