Question 7 The vector (5, −1, 19) is a linear combination of A B C S={(1, 2, 1), (7, 9, 0), (1, 3,1)} E S={(1, 1, 1), (2, 0, 9), (0, 3,4)} S={(1, 2, 1), (2, 9, 0), (3, 3,4)} D S={(1, 2, 2), (2, 9, 1), (3, 3,4)} None of the given options.

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