问题描述:
为什么这些数列不存在极限..
A.-2,0,-2,0,...,(-1)^n-1,...
B.3/2,(3/2)^2,(3/2)^3,...,(3/2)^n,...
C.1/2,4/3,9/4,...,n^2/(n+1)
A.-2,0,-2,0,...,(-1)^n-1,...
B.3/2,(3/2)^2,(3/2)^3,...,(3/2)^n,...
C.1/2,4/3,9/4,...,n^2/(n+1)
问题解答:
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