यदि \( \mathrm{A} \) एक वर्ग आव्यूह इस प्रकार है कि \( \mathrm{A}^{2}=\mathrm{A} \), तो \( (\mat...

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यदि \( \mathrm{A} \) एक वर्ग आव्यूह इस प्रकार है कि \( \mathrm{A}^{2}=\mathrm{A} \), तो \( (\mathrm{I}+\mathrm{A})^{3}-7 \mathrm{~A} \) बराबर है:
(A) A
(B) \( \mathrm{I}-\mathrm{A} \)
(C) I
(D) \( 3 \mathrm{~A} \)
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