Question

if A = (1 1 4 2) , find (A - 2I) (A - 3I).​

Answer 1

Answer:

= 1,245,431

Step-by-step explanation:

if A = (1 1 4 2) , find (A - 2I) (A - 3I),

let (A - 2I) (A - 3I) ---- eq 1

Putting value of A in eq 1

(1142-21) (1142-31)

1121 ×1111

= 1,245,431