奇函數(shù)加奇函數(shù)是什么函數(shù)?
奇函數(shù)加奇函數(shù)是什么函數(shù)?
奇函數(shù)+奇函數(shù)=?
偶函數(shù)+偶函數(shù)=?
奇函數(shù)+奇函數(shù)=?
偶函數(shù)+偶函數(shù)=?
數(shù)學人氣：953 ℃時間：2020-01-24 18:50:34
優(yōu)質(zhì)解答
設f(x),g(x)為奇函數(shù),t(x)=f(x)+g(x),t(-x)=f(-x)+g(-x)=-f(x)+(-g(x))=-t(x),所以奇函數(shù)加奇函數(shù)還是奇函數(shù)；若f(x),g(x)為偶函數(shù),t(x)=f(x)+g(x),t(-x)=f(-x)+g(-x)=f(x)+g(x)=t(x),所以偶函數(shù)加偶函數(shù)還是偶函數(shù)...
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