請問這題怎麼解（附過程）謝謝?
回答 (1)
2017-11-08 5:13 pm
lim (x→1)_(x^3－1)/(x^2－1) 0/0 type
=lim (x→1)_3x^2/2x
=3/2
or
lim (x→1)_(x^3－1)/(x^2－1)
=lim (x→1) _(x^2+x+1)/(x+1)
=(1+1+1)/(1+1)
=3/2
=lim (x→1)_3x^2/2x
=3/2
or
lim (x→1)_(x^3－1)/(x^2－1)
=lim (x→1) _(x^2+x+1)/(x+1)
=(1+1+1)/(1+1)
=3/2
收錄日期: 2021-04-30 22:34:59
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20171108074801AAhdbCR