由题意可知,a1=1/2,a2=-1,a3=2,a4=1/2=a1
由上式可知,{an}是一个每三次循环的数列,所以有
a2012=a(2012-2010)=a2=-1
已知数列{an}中,a1=1/2,a(n+1)=1-1/an(n≥2),则a2012=
已知数列{an}中,a1=1/2,a(n+1)=1-1/an(n≥2),则a2012=
数学人气:996 ℃时间:2019-12-17 14:56:16
优质解答
我来回答
类似推荐
猜你喜欢
- 1the old man often makes us laugh 被动语态怎么改
- 2we didn't tell him he probably would never make the team,so he didn't know.
- 3今年小麦比去年增产25%,今年小麦产量是去年小麦产量的_%.
- 4数字猜成语:1+2+3(),9寸+1寸=1尺().
- 5下面成语中加点字意思相同的一组是( )
- 6工作几年,请各位告知功率(W)等与什么乘什么?
- 7液化气燃烧有蓝火焰
- 8甲容器中有浓度为8%的食盐水300千克,乙容器中有浓度为12.5%的食盐水120千克.往甲、乙两个容器中倒入等量的水,使两个容器中食盐水的浓度相同.应倒入_千克水.
- 9Ask and answer the questions about the photos or pictures.中文意思
- 10what are you busy about these days?(这句话有语法错误么?)