lim n趋于无穷2的n次方sin(x/2的n次方)的极限怎么求

问题描述:

lim n趋于无穷2的n次方sin(x/2的n次方)的极限怎么求

sin(x/2的n次方)换成等价的无穷小“x/2的n次方”,那么原式=lim 2的n次方×(x/2的n次方)=x