lim(n→∞)((n^2+2)/n+an)=0,则常数a=()
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lim(n→∞)((n^2+2)/n+an)=0,则常数a=()
lim(n→∞)((n^2+2)/n+an)=0,则常数a=()
lim(n→∞)((n^2+2)/n+an)=0,则常数a=()
lim(n→∞)((n^2+2)/n+an)
=lim(n→∞)(n+2/n+an)
=0
所以a=-1
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