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Given Document
(Choose 1 answer)
(See picture)
☐ A
A. (i)
☐ C
B. (iii)
C. (ii)
D. None of the other choices is correct
sh the exam.
Let A be a square matrix satisfying A² +A=I.
Choose correct statements:
(i) A is invertible and A¹¹ =A+1
(ii) A is invertible and A₁₁ = A+I
(iii) A is not invertible
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