Consider the system X1 + x2 - 3x3 + 4x4 X1 + x2 – 4x3 +5x4 + 2 2x1 + 5x2 – 11x3 + 9x4 – 5 = 0 = 0 = 0 - -x1 – 4x2 + 10x3 – 5x4 + 1 Using the GJ algorithm (or otherwise) find the solution (x1, x2, x3, x4). Write the value of x2

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A: Macluarin series expansion

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A: Macluarin series expansion , interval of convergence