设数列{an}满足a1=t,a2=t的平方,前n项和为Sn,且Sn+2-(t+1)Sn+1+tSn=0设数列{an}满足a1=t,a2=t^2(其中t为非零常数),前n项和为Sn且Sn+2-(t+1)Sn+1+tSn=0(n属于N*)求证1/b1+1/b2+…+1/bn若1/2<t<2,bn=2an/(
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![设数列{an}满足a1=t,a2=t的平方,前n项和为Sn,且Sn+2-(t+1)Sn+1+tSn=0设数列{an}满足a1=t,a2=t^2(其中t为非零常数),前n项和为Sn且Sn+2-(t+1)Sn+1+tSn=0(n属于N*)求证1/b1+1/b2+…+1/bn若1/2<t<2,bn=2an/(](/uploads/image/z/10418990-14-0.jpg?t=%E8%AE%BE%E6%95%B0%E5%88%97%7Ban%7D%E6%BB%A1%E8%B6%B3a1%3Dt%2Ca2%3Dt%E7%9A%84%E5%B9%B3%E6%96%B9%2C%E5%89%8Dn%E9%A1%B9%E5%92%8C%E4%B8%BASn%2C%E4%B8%94Sn%2B2-%EF%BC%88t%2B1%EF%BC%89Sn%2B1%2BtSn%3D0%E8%AE%BE%E6%95%B0%E5%88%97%EF%BD%9Ban%EF%BD%9D%E6%BB%A1%E8%B6%B3a1%3Dt%2Ca2%3Dt%5E2%EF%BC%88%E5%85%B6%E4%B8%ADt%E4%B8%BA%E9%9D%9E%E9%9B%B6%E5%B8%B8%E6%95%B0%EF%BC%89%2C%E5%89%8Dn%E9%A1%B9%E5%92%8C%E4%B8%BASn%E4%B8%94Sn%2B2%EF%BC%8D%28t%EF%BC%8B1%29Sn%2B1%EF%BC%8BtSn%EF%BC%9D0%28n%E5%B1%9E%E4%BA%8EN%2A%29%E6%B1%82%E8%AF%811%2Fb1%2B1%2Fb2%2B%E2%80%A6%2B1%2Fbn%E8%8B%A51%2F2%EF%BC%9Ct%EF%BC%9C2%EF%BC%8Cbn%3D2an%2F%28)
设数列{an}满足a1=t,a2=t的平方,前n项和为Sn,且Sn+2-(t+1)Sn+1+tSn=0设数列{an}满足a1=t,a2=t^2(其中t为非零常数),前n项和为Sn且Sn+2-(t+1)Sn+1+tSn=0(n属于N*)求证1/b1+1/b2+…+1/bn若1/2<t<2,bn=2an/(
设数列{an}满足a1=t,a2=t的平方,前n项和为Sn,且Sn+2-(t+1)Sn+1+tSn=0
设数列{an}满足a1=t,a2=t^2(其中t为非零常数),前n项和为Sn且Sn+2-(t+1)Sn+1+tSn=0(n属于N*)
求证1/b1+1/b2+…+1/bn
若1/2<t<2,bn=2an/(1+an的平方),求证,1/b1+1/b2+…+1/bn
设数列{an}满足a1=t,a2=t的平方,前n项和为Sn,且Sn+2-(t+1)Sn+1+tSn=0设数列{an}满足a1=t,a2=t^2(其中t为非零常数),前n项和为Sn且Sn+2-(t+1)Sn+1+tSn=0(n属于N*)求证1/b1+1/b2+…+1/bn若1/2<t<2,bn=2an/(