Q-2: a) Consider the linear system 3x + y 2z = 8 4x-z = -1 (2x-3y+5z = -32 ' (i) Solve the linear system. (ii) Find the inverse of the coefficient matrix. b) For what values of h, vector u = (h,-3,-5) can be written as a linear combination of the vectors v₁ = (1,0,-2), and v₂ = (-2,1,7).

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