5. The augmented matrix of a 3x3 algebraic linear system has been row-reduced to [1 M = 0 -1 , where a is a real number. 1 4a 1 a 1 Determine the solution set of the 3x3 system in question. (Show all work.)

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Q: Apply Lagrange's formula inversely to obtain a root of the equation f(x) = U, given that f (30) = - ...

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A: note : As per our company guidelines we are supposed to answer ?️only the first question. Kindly rep...