Let f(x) = x² P₁(x) = 1 p2(x) = cos(x) P3(x) = cos (2x) be a sequence of orthoginal functions in the interval [-, T]. Find α2 from the following formula a2 = (P₂) (P2P2) where (Pi, Pj) = f Pi (z)p;(x)dx Submit answer Examples f(x) and aipi (x) + a2p2(x) + a2p3 (2) 10- 4 N

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