Question: Q1. (7pts) Let n be an integer, and A be a n X n matrix. Let a be a constant. For a pair of indices

Q1. (7pts) Let n be an integer, and A be a n X n matrix. Let a be a constant. For a pair of indices (3', z) with 1 S i Rj (adding a times R,- to Rj). (b) The inverse of L32 is (LED1 2 In _ B;- Hint: Think about which row operation you would apply to the matrix X to transform it back into A. Q2. (8pts) For this problem, we will use the notations of Q1. Let 1

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