2. [July 5] Determine whether the following matrices are invertible. You can use any method you want, but you must expla
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2. [July 5] Determine whether the following matrices are invertible. You can use any method you want, but you must expla
2. [July 5] Determine whether the following matrices are invertible. You can use any method you want, but you must explain your answer. You do not need to actually compute any inverses. (a) A (b) B = (c) C = [1 2 3] 4 5 6 78 9 -2 0 3 -4 6 5 2 5 4 1 2 3 0 2 -1 7 -1 0