If A is a square matrix such that \[(A-2I)(A+I)=O\]then \[{{A}^{-1}}=\

1.	If A is a square matrix such that \[(A-2I)(A+I)=O\]then \[{{A}^{-1}}=\]
A.	\[\frac{A-I}{2}\]
B.	\[\frac{A+I}{2}\]
C.	\[2(A-I)\]
D.	\[2A+I\]
Answer» B. \[\frac{A+I}{2}\]

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If A is a square matrix such that \[(A-2I)(A+I)=O\]then \[{{A}^{-1}}=\]

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