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教育資訊:左右導(dǎo)數(shù)和導(dǎo)數(shù)的左右極限的區(qū)別
左右導(dǎo)數(shù),是函數(shù)左右段的實(shí)際導(dǎo)數(shù)值,若左右導(dǎo)數(shù)相等,則函數(shù)在該點(diǎn)可導(dǎo),該導(dǎo)數(shù)也是導(dǎo)函數(shù)在該點(diǎn)的函數(shù)值;而導(dǎo)函數(shù)的左右極限,是導(dǎo)函數(shù)
左右導(dǎo)數(shù),是函數(shù)左右段的實(shí)際導(dǎo)數(shù)值,若左右導(dǎo)數(shù)相等,則函數(shù)在該點(diǎn)可導(dǎo),該導(dǎo)數(shù)也是導(dǎo)函數(shù)在該點(diǎn)的函數(shù)值;而導(dǎo)函數(shù)的左右極限,是導(dǎo)函數(shù)