As soon as possible

Part 3. [10 points] Derive o. B and x] such that the following quadrature rule has no error for all polynomials of degree at most 2: f ( xx) da ~ af (0) + Bf (21). (That is, if f(x) is a polynomial of degree at most 2, then Jo f(x) dx = af (0) + Bf(x1).)