数列{an},a1=1,an=2-2Sn,求an,若bn=n*an,求{bn}的前n项和Tn
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/21 11:23:19
![数列{an},a1=1,an=2-2Sn,求an,若bn=n*an,求{bn}的前n项和Tn](/uploads/image/z/7136393-41-3.jpg?t=%E6%95%B0%E5%88%97%7Ban%7D%2Ca1%3D1%2Can%3D2-2Sn%2C%E6%B1%82an%2C%E8%8B%A5bn%3Dn%2Aan%2C%E6%B1%82%7Bbn%7D%E7%9A%84%E5%89%8Dn%E9%A1%B9%E5%92%8CTn)
xTn@/1`,1?HF]F(
Mm@YJ4_ZWBg0DtJ9s9w2ŬvA9IZ%-bꊞ#IllT &[8.6ZtO4$Sx{'.t0te4Ƴ]յ6JȊE
{#G 1|(R/)ث爒#oh}MOβ1n%s/xkC}0?NyU{~xĪG8z5oy5w-azw*Av.q\l-d&]QtI
1'᧕RiiE@@KDh"Yx3rLSb#"'䏬$5P՞hl8.dIBr