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5. (10 points) Let P2(R) be the space of polynomials of degree at most 2 with coefficients in R. Consider the following two bases of P2 (R): a = {1, ac, ac2 } B = {1, 1 + x, +x2]. Let T : P2(R) - P2(R) be the linear transformation with 1 1 IT]B = 0 1 O 0 (a) (3 points) Find T(1 + x). (b) (7 points) If T is an isomorphism, find