,已知数列{an}的前n项和为Sn,且有a1=2,3S=5an-a(n-1)+3S(n-1)(n>=2)已知数列{an}的前n项和为Sn,且有a1=2,3S=5an-a(n-1)+3S(n-1)(n>=2)若Cn=t^ n[lg(2t) ^n+lga(n+2)](0
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![,已知数列{an}的前n项和为Sn,且有a1=2,3S=5an-a(n-1)+3S(n-1)(n>=2)已知数列{an}的前n项和为Sn,且有a1=2,3S=5an-a(n-1)+3S(n-1)(n>=2)若Cn=t^ n[lg(2t) ^n+lga(n+2)](0](/uploads/image/z/6748272-0-2.jpg?t=%2C%E5%B7%B2%E7%9F%A5%E6%95%B0%E5%88%97%7Ban%7D%E7%9A%84%E5%89%8Dn%E9%A1%B9%E5%92%8C%E4%B8%BASn%2C%E4%B8%94%E6%9C%89a1%3D2%2C3S%3D5an-a%28n-1%29%2B3S%28n-1%29%28n%3E%3D2%29%E5%B7%B2%E7%9F%A5%E6%95%B0%E5%88%97%7Ban%7D%E7%9A%84%E5%89%8Dn%E9%A1%B9%E5%92%8C%E4%B8%BASn%2C%E4%B8%94%E6%9C%89a1%3D2%2C3S%3D5an-a%28n-1%29%2B3S%28n-1%29%28n%3E%3D2%29%E8%8B%A5Cn%3Dt%5E+n%5Blg%282t%29+%5En%2Blga%28n%2B2%29%5D%280)
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,已知数列{an}的前n项和为Sn,且有a1=2,3S=5an-a(n-1)+3S(n-1)(n>=2)已知数列{an}的前n项和为Sn,且有a1=2,3S=5an-a(n-1)+3S(n-1)(n>=2)若Cn=t^ n[lg(2t) ^n+lga(n+2)](0
,已知数列{an}的前n项和为Sn,且有a1=2,3S=5an-a(n-1)+3S(n-1)(n>=2)
已知数列{an}的前n项和为Sn,且有a1=2,3S=5an-a(n-1)+3S(n-1)(n>=2)
若Cn=t^ n[lg(2t) ^n+lga(n+2)](0
,已知数列{an}的前n项和为Sn,且有a1=2,3S=5an-a(n-1)+3S(n-1)(n>=2)已知数列{an}的前n项和为Sn,且有a1=2,3S=5an-a(n-1)+3S(n-1)(n>=2)若Cn=t^ n[lg(2t) ^n+lga(n+2)](0
sfd
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