摘要：
作文开头的优美句子我们已经看到如何约略oximateafunctionusingitstangentlivalueatsomepoint(sayf(a ))andthevalueo... 作文开头的优美句子
我们已经看到如何约略oxima teafunct ionusingitstangentli
val ueatsomepoint(sayf(a))andthevalueofthederivativeatthesame
效果好(英国《金融时报》(a))wecanusetheseto findthetangentline,andthenusethetangentlinetoapproximatef(x)
forotherpoints x.Ofcourse thisapproximationwillonlybegoodwhenxisrelativelyneara.Thetangentlineapproximationoff(x)forxnearaiscalledthefirstdegreeTaylorPolynomialoff(x)并:
