Given x₁2x₂ + x3 + 2x₁ = -1 2x14x2+2x3+4x4 1 = -2 -₁ + 2x₂x32x₁ = 1 3x16x2 + 3x3 + 6x4 = -3 i. find the vector form of the general solution of the linear system Az = 6. ii. use the result from (i) to find the vector form of the general solution of Az = 0.

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