-x₁ + 3x₂ = 2 2x1 + x2 + 4x3 = 3 x₂ + 2x3 = 4 (a) Using [IA] ~ [A¯¹|I], Find A−¹. (b) Find Adj A. (c)Using b, find A-¹.

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Q: √27

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