(a) In each case decide if the linear system of equations has a unique solution, no solution, or many solutions. No justification is required. 2-22 (No answer given) 2.21 -2-21 -3 -2 (i) - - 2-22 21 2-x2 -2.2 (ii) 4.22 -21 -2.21 -21 x1 - 2-12 2-12 ++ - 23 23 3-13 373 = = 000 ++ (No answer given) = 0 14 JA = 0 = 0 (No answer given)

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A: The solution is given as

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A:

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A: