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let-A-n-k-0-n-1-3k-1-calculate-A-n-interms-H-n-k-1-n-1-k-




Question Number 71143 by mathmax by abdo last updated on 12/Oct/19
let  A_n =Σ_(k=0) ^n  (1/(3k+1)) calculate A_n  interms H_n =Σ_(k=1) ^n  (1/k)
$${let}\:\:{A}_{{n}} =\sum_{{k}=\mathrm{0}} ^{{n}} \:\frac{\mathrm{1}}{\mathrm{3}{k}+\mathrm{1}}\:{calculate}\:{A}_{{n}} \:{interms}\:{H}_{{n}} =\sum_{{k}=\mathrm{1}} ^{{n}} \:\frac{\mathrm{1}}{{k}} \\ $$
Commented by mathmax by abdo last updated on 22/Oct/19
this question still insolved for a long time...!
$${this}\:{question}\:{still}\:{insolved}\:{for}\:{a}\:{long}\:{time}…! \\ $$

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