The set S = {1+t, 1 +t², 1+2t +t }is a basis for P2. Find the coordinate vector of p(t) = 1+ 41 + 7t° relative to S. O (p)s = (1, 1, 1) O (p)s = (1, 2, 2) O (p)s = (-1, 2, 6) O (p)s = (2,6, -1) O None of these choices

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