loga1=loga2/2+……logan/n=n求an的通向公式
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![loga1=loga2/2+……logan/n=n求an的通向公式](/uploads/image/z/2641189-13-9.jpg?t=loga1%3Dloga2%2F2%2B%E2%80%A6%E2%80%A6logan%2Fn%3Dn%E6%B1%82an%E7%9A%84%E9%80%9A%E5%90%91%E5%85%AC%E5%BC%8F)
loga1=loga2/2+……logan/n=n求an的通向公式
loga1=loga2/2+……logan/n=n求an的通向公式
loga1=loga2/2+……logan/n=n求an的通向公式
loga1 = log(a2*a3*.*an/n!)
a1 = a2*a3*.*an/n!
a1 = a2*a3*.*a(n-1)/(n-1)!
==> 1 = (an/n!)/(a(n-1)/(n-1)!)
==> an = na(n-1)
==> an = a1*n!