Question and Answers Forum

All Questions      Topic List

Arithmetic Questions

Previous in All Question      Next in All Question      

Previous in Arithmetic      Next in Arithmetic      

Question Number 109746 by Joel574 last updated on 25/Aug/20

Find the value of  Σ_(n = 0) ^(2020)  [(2^n /(1 + 3^((2^n )) ))]

$$\mathrm{Find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of} \\ $$$$\underset{{n}\:=\:\mathrm{0}} {\overset{\mathrm{2020}} {\sum}}\:\left[\frac{\mathrm{2}^{{n}} }{\mathrm{1}\:+\:\mathrm{3}^{\left(\mathrm{2}^{{n}} \right)} }\right] \\ $$

Commented by Her_Majesty last updated on 25/Aug/20

≈.25

$$\approx.\mathrm{25} \\ $$

Commented by Joel574 last updated on 25/Aug/20

How?

$$\mathrm{How}? \\ $$

Commented by Her_Majesty last updated on 25/Aug/20

sorry, I misread 1≤n instead of 0≤n  it′s ≈.5

$${sorry},\:{I}\:{misread}\:\mathrm{1}\leqslant{n}\:{instead}\:{of}\:\mathrm{0}\leqslant{n} \\ $$$${it}'{s}\:\approx.\mathrm{5} \\ $$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com