I need it's answer fast
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Answered by
0
Answer:
Option D is correct (I-A)
Step-by-step explanation:
A2 - A + 1 = 0
1 = A - (A x A)
1A-1 = AA-1 - A (AA-1)
A-1 = 1-1
Answered by
3
Answer:
A^-1(A^2-A+1)=(0)A^-1
A^2×A^-1 - A×A^-1 + I×A^-1 =0×A^-1
A-I+A^-1=0
Therefore,
A^-1= I-A
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