If \( A \) is square matrix such that \( A^{2}=A \), then \( (I+A)^{3}-7 A= \)
(A) \( 3 I \)
(B)... VIDEO
If \( A \) is square matrix such that \( A^{2}=A \), then \( (I+A)^{3}-7 A= \)https://bit.ly/YTAI_PWAP https://www.pw.live
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(A) \( 3 I \)
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