* fin the values of x,y,z in the following system of equations by Gauss Elimination method 2X+y-3z=-10 -2y+z= -2 z=6 2, 4,5 O 2,6,7. O 2, 4, 6 O * while solving by Gauss seidel method, which of the following is the first iterative ?solution system ; x-2y=1 and x+4y=4 0,0 1, 0.75 1,0.65 O

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