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函数f(x)=(a+bx)~n(n∈N~*)与二项式定理密切相关,利用这个函数运用恰当的方法来较好的解决与二项式定理有关的问题。一、巧妙赋值,求解与多项式系数有关的问题
The function f (x) = (a + bx) ~ n (n∈N ~ *) is closely related to the binomial theorem. This function can be used to solve the problem related to the binomial theorem well by using appropriate methods. First, clever assignment, solving problems associated with polynomial coefficients