Question Number 8368 by Nayon last updated on 09/Oct/16
$$ \\ $$$${prove} \\ $$$$\pi=\frac{\mathrm{6}}{\:\sqrt{\mathrm{3}}}×\underset{{x}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{\left(−\mathrm{1}\right)^{{x}+\mathrm{1}} }{\left(\mathrm{2}{x}−\mathrm{1}\right)×\mathrm{3}^{{x}−\mathrm{1}} } \\ $$$$ \\ $$
Answered by Nayon last updated on 09/Oct/16
Commented by prakash jain last updated on 14/Oct/16
$$\mathrm{How}\:\mathrm{does}\:\mathrm{this}\:\mathrm{prove}\:\mathrm{the}\:\mathrm{quesion}? \\ $$
Answered by Nayon last updated on 09/Oct/16
