数列{an}的前n项和为Sn,a1=1,a(n+1)-an-1=0,数列{bn}满足b1=2,anb(n+1)=2a(n+1)bn.(1)求S200(2)求bn
数列{an}的前n项和为Sn,a1=1,a(n+1)-an-1=0,数列{bn}满足b1=2,anb(n+1)=2a(n+1)bn.(1)求S200(2)求bn...
数列{an}的前n项和为Sn,a1=1,a(n+1)-an-1=0,数列{bn}满足b1=2,anb(n+1)=2a(n+1)bn.(1)求S200(2)求bn
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