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1 2 l 1 3 3 1 3 marks Consider the system of equations k x y z w 2x 3y 4z w 10 3x

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1 2 l 1 3 3 1 3 marks Consider the system of equations k x y z w 2x 3y 4z w 10 3x 4y 5z 2w 14 2x 5y lw For which values of k and I does the system have i no solution ii a unique solution iii exactly two solutions iv infinitely many solutions K 10 14 3 2R Rz 3R R3 2 R R4 09 D 1 03 I N N H 3 2 www 3 2 1 fund e 2 10 2k 14 3k 3 2 k

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