已知函数f(x)=(x-1)2,g(x)=4(x-1),数列{an}是各项均不为
问题:
已知函数f(x)=(x-1)2,g(x)=4(x-1),数列{an}是各项均不为0的等差数列,点(an+1,S2n-1)在函数f(x)的图象上;数列{bn}满足b1=2,bn≠1,且(bn-bn+1)•g(bn)=f(
(I)求an并证明数列{bn-1}是等比数列; (II)若数列{cn}满足cn=
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已知函数f(x)=(x-1)2,g(x)=4(x-1),数列{an}是各项均不为0的等差数列,点(an+1,S2n-1)在函数f(x)的图象上;数列{bn}满足b1=2,bn≠1,且(bn-bn+1)•g(bn)=f(
(I)求an并证明数列{bn-1}是等比数列; (II)若数列{cn}满足cn=
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