Re: [極限]極限兩題請問
lim [(x^2 +1)/(x^2 -1)]^(x^2)
x->∞
=lim [(1+2/(x^2 -1)]^(x^2)
x->∞
=lim [(1+2/(x^2 -1)^(x^2 -1/2)]^(2/x^2 -1)(x^2)
x->∞
= lim (2x^2)/(x^2-1)
e^x->∞
=e^2
呼,打的有點亂,我這樣算應該沒錯,答案應該有問題吧!?
第二提就麻煩高手了,我不會算orz
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 218.168.103.243
討論串 (同標題文章)