Question

9
If A = [
(3-1-1-2 prove that A2-5A+71=0
Where i is unit matrix of order 2​

Answer 1

Answer:

Ex 4.5, 13 If A = [□ 8(3&1@−1&2)] show that A2 – 5A + 7I = O. Hence find A–1. Calculating A2 A2 = A.A ...