
请问这道题怎么求极限?要具体一点的过程,谢谢
1个回答
展开全部
设 (2x -1)/2 = x - 1/2 = t,则 x = t + 1/2
lim [(2x+1)/(2x-1)]^(x+1)
=lim [1 + 2/(2x-1)]^(x+1)
=lim (1 + 1/t)^(t+3/2)
=lim (1+1/t)^t * lim(1+1/t)^(3/2)
= e *lim (1+0)^(3/2)
=e
lim [(2x+1)/(2x-1)]^(x+1)
=lim [1 + 2/(2x-1)]^(x+1)
=lim (1 + 1/t)^(t+3/2)
=lim (1+1/t)^t * lim(1+1/t)^(3/2)
= e *lim (1+0)^(3/2)
=e
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询