If $A$ is a square matrix satisfying the equation $A^2 - 5A + 7I = 0$,where $I$ is the identity matrix and $0$ is the null matrix of the same order,then $A^{-1} = $
- A$\frac{1}{7}(5I - A)$
- B$\frac{1}{7}(A - 5I)$
- C$7(5I - A)$
- D$\frac{1}{5}(7I - A)$
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