Category: Others

Question Number 124459 by Dwaipayan Shikari last updated on 03/Dec/20 $$1-\frac{1}{2}\left(\frac{1}{2}\right)+\frac{1}{4}(\frac{1}{2}.\frac{3}{4})-\frac{1}{8}\left(\frac{1.3.5}{2.4.6}\right)+\dots$$ Commented by Dwaipayan Shikari last updated on 03/Dec/20 $$Ihavefound\sqrt{\frac{2}{3}}$$ Answered…

Question Number 124347 by Dwaipayan Shikari last updated on 02/Dec/20 Commented by Dwaipayan Shikari last updated on 02/Dec/20 $$Whatwillbetheapproachtothisproblem?$$ Answered by mindispower last…

Question Number 124320 by sogol last updated on 02/Dec/20 $$z+\frac{1}{z}=1$$$$z^3=??$$ Answered by Dwaipayan Shikari last updated on 02/Dec/20 $${z}^{\mathrm{2}} −{z}+\mathrm{1}=\mathrm{0}\Rightarrow{z}=\frac{\mathrm{1}\pm{i}\sqrt{\mathrm{3}}}{\mathrm{2}}={e}^{\pm\frac{{i}\pi}{\mathrm{3}}}…

Question Number 189844 by Mastermind last updated on 22/Mar/23 $$\mathrm{li}\underset{\mathrm{x}\to \mathrm{\infty }}{\mathrm{m}}\left[\mathrm{xsin}\left(\frac{\pi }{\mathrm{x}}\right)\right]$$$$$$$$\mathrm{Hi}$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 124302 by Dwaipayan Shikari last updated on 02/Dec/20 $$n=2^{n-1}sin\left(\frac{\pi }{n}\right)sin\left(\frac{2\pi }{n}\right)\dots .sin\left(\frac{n-1}{n}\pi \right)prove$$$$$$ Answered by mnjuly1970 last updated on 02/Dec/20 $${solution} \…