It is possible to write xk as a linear combination of Chebyshev's polynomials, for example %3D Suppose that 4 2a4 + 3x³ – a² + 6x + 2 = Ea,T:(x) | i=0 What are the values of a2, and a3? 5/2, -3/2 O 1/2, 3/4 4, -1/2 O 0, 3/4

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