当x趋近于正无穷时,求lim[x+根号(1+x^2)]^1⼀lnx的极限?

救救孩子叭
2025-01-18 20:31:19
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回答1:

∵lim(x->+∞)[ln(x+√(1+x^2))/x] =lim(x->+∞)[1/√(1+x^2)] (∞/∞型极限。应用罗比达法则) =0 ∴lim(x->+∞)[(x+√(1+x^