Shwet goyal 1 Asked a Question
October 29, 2021 1:00 ampts 30 pts
n matrix with real or complex entries and A = nen fA IS an n x (B) A) (1+ A) = 0 I+A is not invertible C) +A is invertible (D) necessarily A = 0
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  • Abhi 1 Best Answer
    answer is b
    • cropped7651137017215351192.jpg
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  • Ishu 1
    since A³=0 therefore A is nilpotant matrix and set A=0 But det (A+I)≠0 so A+I is invertable
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