数学
n趋向于负无穷,求f(x)设f(x+1)=lim((n+x)/(x-2))∧n,n趋向于负无穷,则f(x)=

2019-06-02

n趋向于负无穷,求f(x)
设f(x+1)=lim((n+x)/(x-2))∧n,n趋向于负无穷,则f(x)=
优质解答
f(x)=[(n+x-1)/(x-2)]^n
因为(-无穷)^无穷=无穷
所以(-无穷)^(-无穷)=0
f(x)=[(n+x-1)/(x-2)]^n
因为(-无穷)^无穷=无穷
所以(-无穷)^(-无穷)=0
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