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Determine solutions for the following simultaneous equations 10x₁-2x2-1x3-1x4=3 -2x1+10x2-1x3-1X4=15 -1x₁-1x2+10x3-2x4=27 -1x₁-1x2-2x+10x4=-9 [1 Mark] (a) Write coefficient matrix and constant matrix (b) Obtain solution by matrix inversion method [2 Mark] (c) Obtain solution by Gauss Jordan elimination method using built in functions​

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