Mathematical induction middle level exercise

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4 years ago
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0:00 Exercise: 1 + 1/2 + 1/3 + ... + 1/(2^n) ≥ 1 + n/2

2:17 Exercise: 1*1!+2*2!+...n*n!=(n+1)!-1

3:07 1+1/2^2+1/3^2....less than 2-1/n

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