If A is a square matrix such that \[{{A}^{2}}=A\], then \[{{(I+A)}^{3}}-7A\] is

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

1.	If A is a square matrix such that \[{{A}^{2}}=A\], then \[{{(I+A)}^{3}}-7A\] is
A.	3I
B.	0
C.	I
D.	2I
Answer» D. 2I

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If A is a square matrix such that \[{{A}^{2}}=A\], then \[{{(I+A)}^{3}}-7A\] is

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