intergration 發表於 8-7-2011 17:52:51

curve sketching

我發現m2同pure卷curve sketching題目都系polynomial同rational function
其實點解唔整d trigo同e^x/lnx混合體既題目
又可以考埋呢類型既differentiation

-終場ソ使者- 發表於 8-7-2011 18:40:34

M2卷就唔知啦,因為根本未考過,可能遲D有呢
至於點解成日係rational function,
可能係因為個asymptote,通常你見到既trigo. function頂多都係得vertical/horizontal asymptote,好少會有oblique asymptote,
你知啦,graph sketching入面,asymptote係好重要既課題,佢通常想考埋你oblique asymptote
一條數要cover晒所有graph sketching既野(包括oblique asymptote)相信只有rational function先做到,其餘d乜乜function混合版就冇意思

intergration 發表於 8-7-2011 19:14:04

M2卷就唔知啦,因為根本未考過,可能遲D有呢
至於點解成日係rational function,
可能係因為個asymptote,通常 ...
-終場ソ使者- 發表於 8-7-2011 18:40 http://www.nakuz.com/bbs/images/common/back.gif


    咁如果有trigo既rational function得唔得?

-終場ソ使者- 發表於 8-7-2011 19:20:29

咁如果有trigo既rational function得唔得?
intergration 發表於 8-7-2011 19:14 http://www.nakuz.com/bbs/images/common/back.gif
可能有,不過少,我就未見過啦,
不過如果trigo. function既混合版會出到oblique asymptote,甚至curvilinear asymptote一定會好複雜,到時死好多人-.-
頁: [1]
查看完整版本: curve sketching