1-Solve the following system of linear equations using Naïve Gauss Elimination with Back Substitution. x₁ + 2x2 + x3 x4 = 5 3 x₁ + x₂ + 2x3 + 2x4 = 8 2 4x₁ + 4x2 + 3x3 + 4x4 = 22 2 1 5*1 +5x3 + x4 = 3

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Q: solve

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Q: 27. Use the definition of limit and the Archimedean Property to prove lim 1 n-xn-7 = 0.

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