数列与函数的综合应用等比数列〔An〕的前n项和为Sn,已知对任意的n∈N﹡,点(n,Sn)均在函数y=(b)x次方+r(b>0且b ≠1)的图像上.①求r的值②当b=2时,记Bn=(n+1)/4An,求数列(Bn)的前n项和Tn
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/10 10:25:31
![数列与函数的综合应用等比数列〔An〕的前n项和为Sn,已知对任意的n∈N﹡,点(n,Sn)均在函数y=(b)x次方+r(b>0且b ≠1)的图像上.①求r的值②当b=2时,记Bn=(n+1)/4An,求数列(Bn)的前n项和Tn](/uploads/image/z/9314181-45-1.jpg?t=%E6%95%B0%E5%88%97%E4%B8%8E%E5%87%BD%E6%95%B0%E7%9A%84%E7%BB%BC%E5%90%88%E5%BA%94%E7%94%A8%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%E3%80%94An%E3%80%95%E7%9A%84%E5%89%8Dn%E9%A1%B9%E5%92%8C%E4%B8%BASn%2C%E5%B7%B2%E7%9F%A5%E5%AF%B9%E4%BB%BB%E6%84%8F%E7%9A%84n%E2%88%88N%EF%B9%A1%2C%E7%82%B9%EF%BC%88n%2CSn%EF%BC%89%E5%9D%87%E5%9C%A8%E5%87%BD%E6%95%B0y%3D%EF%BC%88b%EF%BC%89x%E6%AC%A1%E6%96%B9%2Br%EF%BC%88b%EF%BC%9E0%E4%B8%94b+%E2%89%A01%EF%BC%89%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8A.%E2%91%A0%E6%B1%82r%E7%9A%84%E5%80%BC%E2%91%A1%E5%BD%93b%3D2%E6%97%B6%2C%E8%AE%B0Bn%3D%EF%BC%88n%2B1%EF%BC%89%2F4An%2C%E6%B1%82%E6%95%B0%E5%88%97%EF%BC%88Bn%EF%BC%89%E7%9A%84%E5%89%8Dn%E9%A1%B9%E5%92%8CTn)
xT[oA+&&V`/˳/nfNjMZ/Emmb,wx/xf6mb|A%s7ǎewXs;|+;ov6Znvk7%wc~G؏<@x6՛~ٱY~yכƆ{.O`F*`[%x?Z;]6!O!y}]w?QJQBQ4[Ǿ%-9+5[}w Bdl5~ќ{zrv|7L큻xo4fj[=]]=[#LF9ϛ#)GP>g#驩aYR:MONM%J259!_IgdR>7 >U99L#5+X
Ma%#ZTJ(FDRV*41-4%zʊĤ3Y--zXh1Z"UU-A#'n
( e7|zAnF\_Zϡ~<<sݾmSm@mJTp6Vf
!g&eYTY WM.Aq19==)b9`3_%