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函數之奇偶性

文出維基大典

函數者,其可奇,可偶,亦可既奇又偶,然多數非奇非偶。

定義

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奇函數者,也,於圖像爲中心對稱。

偶函數者,也,於圖像爲轴對稱。

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1.

故其屬偶函數

故其亦屬奇函數

2.

故其屬偶函數

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