Find the following limits.
http://imageshack.us/photo/my-images/339/64776960.png/
Limits of function
2011-09-21 6:07 am
回答 (2)
2011-09-21 6:34 am
2011-09-21 7:26 am
lim(x->∞)_[2x+1－√(4x^2+2x+1)]
=lim(x->∞)_[2x+1－√(4x^2+2x+1/4+3/4)]
=lim(x->∞)_[2x+1－√(4x^2+2x+1/4)]
=lim(x->∞)_[2x+1－(2x+1/2)]
=1/2
=lim(x->∞)_[2x+1－√(4x^2+2x+1/4+3/4)]
=lim(x->∞)_[2x+1－√(4x^2+2x+1/4)]
=lim(x->∞)_[2x+1－(2x+1/2)]
=1/2
收錄日期: 2021-04-23 23:24:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110920000051KK00858