[微積] FIND δ

[pop10353 (卡卡:目)]

f(X)=2-(1/X)

FIND δ such that if 0<|X-1|<δ
then |f(X)-1| <   0.1

Ans:δ =(1/11)  大約 0.091

--
※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 140.130.208.5
→ doublewhi   :我代δ=0.1 也滿足耶??
→ doublewhi   :看下面才知道我算錯了.. XD
推 oNeChanPhile:╭(′▽`)╭