指數(shù)函數(shù)與對(duì)數(shù)函數(shù)-wenkub
2023-07-10 01:29:16 本頁(yè)面
【正文】 .教學(xué)過(guò)程一、指數(shù)函數(shù)知識(shí)點(diǎn)一指數(shù)與指數(shù)函數(shù)： 指數(shù)函數(shù)的定義： 注意點(diǎn)：① ,其中例2.，,則的值= .二、對(duì)數(shù)函數(shù)知識(shí)點(diǎn)二對(duì)數(shù)與對(duì)數(shù)函數(shù)： 對(duì)數(shù)函數(shù)的定義：注意：①以10為底的對(duì)數(shù)稱常用對(duì)數(shù)，記作②以無(wú)理數(shù)為底的對(duì)數(shù)稱自然對(duì)數(shù)，記作③真數(shù)N為正數(shù)（負(fù)數(shù)和零無(wú)對(duì)數(shù)）④；⑤對(duì)數(shù)運(yùn)算時(shí)，盡量轉(zhuǎn)化為同底對(duì)數(shù)⑥=
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