(an+1)4•(a5)n-1=______.-数学

题目简介

(an+1)4•(a5)n-1=______.-数学

题目详情

(an+14•(a5n-1=______.
题型:填空题难度:偏易来源:不详

答案

(an+1)4•(a5)n-1,
=a4n+4•a5n-5,
=a9n-1.

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