题目内容
设数列满足,且对任意的,点都有,则的前项和为( )
A. B. C. D.
A
(16分)设函数满足,且对任意,都有
.
(Ⅰ)求的解析式;
(Ⅱ)若数列满足:(),且, 求数列的通项;
(Ⅲ)求证:
设数列满足,,且对任意,函数 满足
(Ⅰ)求数列的通项公式;
(Ⅱ)若,求数列的前项和.
(理)设数列满足,且对任意的,点都有,则的前项和为( )
A. B. C. D.
设函数满足,且对任意,都有