lim根号n*n+n除以n+1=?(档n趋向于无穷)
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lim根号n*n+n除以n+1=?(档n趋向于无穷)
lim根号n*n+n除以n+1=?(档n趋向于无穷)
lim根号n*n+n除以n+1=?(档n趋向于无穷)
√(n²+n)/(n+1)
=√n*√(n+1)/(n+1)
=√n/√(n+1)
上下除√n
=1/√(1+1/n)
n趋向于无穷则1/n趋向于0
所以极限=1/√(1+0)=1
题目不清晰
根号下是n*n+n吧。那结果是1
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