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指數為偶數為偶函數 指數為奇數為奇函數 還有很多情况要具體問題具體分析的 指數不為整數時,為帶根號的,如果為1.5,就有個根號2,這時x不能為負數,就談不上奇偶性了,如果為4/3,帶了個根號3,可以為負數,好像這樣子:x3√x x為奇函數,3√x也為奇函數,奇奇得偶,是偶函數 最簡單就是把數代進去,例如1和-1 2和-2.. 如果y一樣就為偶函數y异號則為奇函數 當然很多非奇非偶的函數,自己要小心
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