4. (a) If y = A + Bx + Cx2 and yo, yı, y2 are the values of y corresponding to x = a, a + h, a + 2h respectively, prove that- %3D Гa+2h h (yo + 4y1 + y2). y dx 3 [Ch-4(B), Expl-31] a

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A: Note:- according to the company policy we can attempt ?️ only three subpart of a question so please…