Nancy, Jordan, and Krista all worked together to clean their neighbors house. They earned a total fo $30.75. If they split the m
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Answer:
Step-by-step explanation:
Given that A is a square matrix and A is idempotent
Consider I-A
i)
It follows that I-A is also idempotent
ii) Consider the matrix 2A-I
So it follows that 2A-I matrix is its own inverse.