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It is known that the function f (x) = x 3-3ax 2+3 is about 20 10, China Volume II, Liberal Arts Mathematics 2 1 Question. ...
F'(x) in the problem is an unary quadratic function in the form of f (x) = ax 2+bx+c.

, if x 1

,x2

For the solution of f(x)=0, then f(x)=a(x-x 1)(x-x2) In this problem, a=3.

,x 1=2-√3

,x2=2+√3