阿摩線上測驗
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8. (5%) Consider a system of linear equations At = b, where A is a 2 x 3 matrix, I is a 3 x 1 column vector, and b is a 2 X 1 column vector. Let
In other words, all entries of A are non-zero. Then, it is impossible to uniquely determine t1 from the above system of linear equations.