Question: 16. (5 marks) Let A be a square matrix such that the sum of all the columns of A is equal to the zero column

16. (5 marks) Let A be a square matrix such that the sum of all the columns of A is equal to the zero column (a zero column is a column where each entry equals 0). Show that A4 - A3 + A2 - A + 2022 1 # 0

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