设函数f(x)在(-∞,+∞)内有定义,则函数F(x)=x^2[f(x)-f(-x)是( ) 答案:A. 奇函数 B. 偶函
人气:102 ℃ 时间:2019-10-23 08:25:09
解答
A
令x=-x,则F(-x)=x^2[f(-x)-f(x)=-F(x)
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