Determine h and k such that the solution set of the system (i) is empty, (ii) contains a unique solution, and (iii) contains infinitely many solutions. a. x₁ + 3x₂ = k 4x₁ + hx₂ = 8 = 1 b. -2x₁ + hx₂ = 6x₁ + kx₂ = -2

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