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Question Number 121653 by Dwaipayan Shikari last updated on 10/Nov/20

((log1)/( (√1)))−((log3)/( (√3)))+((log5)/( (√5)))−((log7)/( (√7)))+....

log11log33+log55log77+....

Commented by TANMAY PANACEA last updated on 10/Nov/20

excellent question but still thinking how to start

excellentquestionbutstillthinkinghowtostart

Commented by Dwaipayan Shikari last updated on 10/Nov/20

Ramanujan showed that the result is   ((𝛑/4)−(𝛄/2)−((log(2𝛑))/2))((1/( (√1)))−(1/( (√3)))+(1/( (√5)))−(1/( (√7)))+....+C)  Is there any way to prove?  𝛄=0.5771  (EULER MASCHERONI )  𝛄=lim_(n→∞) Σ_(k=1) ^n (1/k)−log(n)

Ramanujanshowedthattheresultis(π4γ2log(2π)2)(1113+1517+....+C)Isthereanywaytoprove?γ=0.5771(EULERMASCHERONI)γ=limnnk=11klog(n)

Commented by TANMAY PANACEA last updated on 10/Nov/20

excellent...did you heard  name of Mr.Hardy

excellent...didyouheardnameofMr.Hardy

Commented by TANMAY PANACEA last updated on 10/Nov/20

Commented by Dwaipayan Shikari last updated on 10/Nov/20

Yes sir!

Yessir!

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