Question

if A²-A+1=0 then inverse of a is​

Answer 1

Answer:

multiplying both sides = 1-A

Answer 2

Answer:

QUESTION :

if A²-A+1=0 then inverse of a is

ANSWER :

A ^2−A+I=0

⟹A−A^2=I

or A(I−A)=I

∴ A ^−1 =I−A

Therefore, Inverse of A = I - A

FINAL ANSWER :

Inverse of A = I - A