作文开头的优美句子

如题所述

第1个回答  2014-05-14
 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:本回答被提问者采纳
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