理解對(duì)數(shù)函數(shù)的本質(zhì):深入探索 (理解對(duì)數(shù)函數(shù)的概念)
底數(shù)為10時(shí),對(duì)數(shù)稱為常用對(duì)數(shù),記作logx,e為底數(shù),當(dāng)?shù)讛?shù)為e時(shí),對(duì)數(shù)稱為自然對(duì)數(shù),記作lnx,負(fù)底數(shù),對(duì)數(shù)函數(shù)不能以負(fù)數(shù)或0為底數(shù),對(duì)數(shù)換底公式對(duì)數(shù)換底公式允許我們?cè)诓煌讛?shù)之間轉(zhuǎn)換對(duì)數(shù),對(duì)于正數(shù)a、b和x,對(duì)數(shù)換底公式為,logax=logbx,logba反三角函數(shù)和對(duì)數(shù)函數(shù)的關(guān)系反三角函數(shù)和對(duì)數(shù)函數(shù)之間存在密切的關(guān)系,對(duì)于正...。
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