当n趋向无穷大时,1/n乘于sin(1/n)等价于1/(n^2)吗?

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当n趋向无穷大时,1/n乘于sin(1/n)等价于1/(n^2)吗?

当n趋向无穷大时,1/n乘于sin(1/n)等价于1/(n^2)吗?
当n趋向无穷大时,1/n乘于sin(1/n)等价于1/(n^2)吗?

当n趋向无穷大时,1/n乘于sin(1/n)等价于1/(n^2)吗?
等价

n→∞
1/n→0
sin(1/n)→1/n
1/n乘以sin(1/n)→(1/n)(1/n)=1/n²

等价
因为原式=[sin(1/n)/(1/n)]*1/(n^2)
取极限后,为lim(1/(n^2))=0