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一元多次方函數: f(X)=a(0)+a(1)×X+a(2)×X²;+a(3)×X³;+……+a(n)×X^n 1、若f(X)是奇函數,偶數次項的係數a(0),a(2),a(4)……都等於0 2、若f(X)是偶函數,奇數次項的係數a(1),a(3),a(5)……都等於0
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