问题
填空题
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答案
lim n→∞
=4n•2n+1 n•3n-1 lim n→∞
=4(
)n+2 3 1 n•3n 1- 1 n•3n lim n→∞
=0．0+0 1-0
故答案为0．
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|
lim n→∞
=4n•2n+1 n•3n-1 lim n→∞
=4(
)n+2 3 1 n•3n 1- 1 n•3n lim n→∞
=0．0+0 1-0
故答案为0．