lim x sin(1/2x) 当X趋于无穷大时
问题描述:
lim x sin(1/2x) 当X趋于无穷大时
答
0.5lim x sin(1/2x)
=lim (1/2)sin(1/2x)/(1/2x)
=1/2
答
lim x sin(1/2x)
=lim (1/2)sin(1/2x)/(1/2x)
=1/2