Sn = 1 + 1 / 2 + 1 / 3 +. + 1 / N, f (n) = s2n + 1-sn + 1, finding f (n) > log2 (m-1) - log (m-1) 2 constant holds, the value range of M | Math enthusiast | Mathematical art

Sn = 1 + 1 / 2 + 1 / 3 +. + 1 / N, f (n) = s2n + 1-sn + 1, finding f (n) > log2 (m-1) - log (m-1) 2 constant holds, the value range of M

S(2n+1)=1+1/2+1/3+.+1/(2n+1) S(n+1)=1+1/2+1/3+.+1/(n+1) f(n)=1/(n+2)+1/(n+3)+…… +1/(2n+1) f(n+1)=1/(n+3)+…… +1/(2n+1)+1/(2n+2)+1/(2n+3) f(n+1)-f(n)=1/(2n+2)+1/(2n+3)-1/(n+2) >1/(2n+2)+1/(2n+3)-2/(2n...

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