If A=[1 2. 2 ]
[2 1. 2] show that Asquare - 4A- 5I= 0
[2. 2. 1]
Hence find A inverse
Answers!
1/5 [-3 2 2]
[2.-3.2]
[2 2 -3]
Comment
Answer the question...
1/5 [-3 2 2]
[2.-3.2]
[2 2 -3]
[2.-3.2]
[2 2 -3]
Comment