证明若pk>o(k=1,..)lim[pn/p1+p2+……+pn]=0,liman=a则lim{[p1an+p2a(n

lanlei2022-10-04 11:39:541条回答

证明若pk>o(k=1,..)lim[pn/p1+p2+……+pn]=0,liman=a则lim{[p1an+p2a(n-1)+……+pna1]/p1+p2+……pn}=a.

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