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1-1-32-1-243-1-1024-




Question Number 100000 by Dwaipayan Shikari last updated on 24/Jun/20
1+(1/(32))+(1/(243))+(1/(1024))+...∞
$$\mathrm{1}+\frac{\mathrm{1}}{\mathrm{32}}+\frac{\mathrm{1}}{\mathrm{243}}+\frac{\mathrm{1}}{\mathrm{1024}}+…\infty \\ $$
Commented by ajfour last updated on 27/Jun/20
this question number is a   landmark, congratulations  to all of us  related with this   forum!
$${this}\:{question}\:{number}\:{is}\:{a}\: \\ $$$${landmark},\:{congratulations} \\ $$$${to}\:{all}\:{of}\:{us}\:\:{related}\:{with}\:{this}\: \\ $$$${forum}! \\ $$
Answered by maths mind last updated on 24/Jun/20
=Σ_(n∈N^∗ ) (1/n^5 )=ζ(5)
$$=\underset{{n}\in\mathbb{N}^{\ast} } {\sum}\frac{\mathrm{1}}{{n}^{\mathrm{5}} }=\zeta\left(\mathrm{5}\right) \\ $$
Answered by smridha last updated on 24/Jun/20
𝛇(5)≈1.03692.......
$$\boldsymbol{\zeta}\left(\mathrm{5}\right)\approx\mathrm{1}.\mathrm{03692}……. \\ $$
Commented by Rio Michael last updated on 24/Jun/20
sir how do you get this approximate?
$$\mathrm{sir}\:\mathrm{how}\:\mathrm{do}\:\mathrm{you}\:\mathrm{get}\:\mathrm{this}\:\mathrm{approximate}? \\ $$
Commented by smridha last updated on 24/Jun/20
i just put it from table...  I  know all the calculations but  it′s too lengthy...mostly for   𝛇(2n+1) where n=1,2,3......
$$\boldsymbol{{i}}\:\boldsymbol{{just}}\:\boldsymbol{{put}}\:\boldsymbol{{it}}\:\boldsymbol{{from}}\:\boldsymbol{{table}}… \\ $$$$\boldsymbol{{I}}\:\:\boldsymbol{{know}}\:\boldsymbol{{all}}\:\boldsymbol{{the}}\:\boldsymbol{{calculations}}\:\boldsymbol{{but}} \\ $$$$\boldsymbol{{it}}'{s}\:\boldsymbol{{too}}\:\boldsymbol{{lengthy}}…\boldsymbol{{mostly}}\:\boldsymbol{{for}}\: \\ $$$$\boldsymbol{\zeta}\left(\mathrm{2}\boldsymbol{{n}}+\mathrm{1}\right)\:\boldsymbol{{where}}\:\boldsymbol{{n}}=\mathrm{1},\mathrm{2},\mathrm{3}…… \\ $$
Commented by Rio Michael last updated on 24/Jun/20
well thank you sir. i will compute  that.
$$\mathrm{well}\:\mathrm{thank}\:\mathrm{you}\:\mathrm{sir}.\:\mathrm{i}\:\mathrm{will}\:\mathrm{compute} \\ $$$$\mathrm{that}. \\ $$

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