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/(
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/(