Question Number 160171 by HongKing last updated on 25/Nov/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 160170 by HongKing last updated on 25/Nov/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 160160 by cortano last updated on 25/Nov/21 $$\:\:\:\:\underset{{k}=\mathrm{1}} {\overset{{n}} {\sum}}\:\frac{\mathrm{1}}{\left(\mathrm{2}{k}\right)!\left(\mathrm{2}{n}−{k}\right)!}=? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 94603 by byaw last updated on 19/May/20 $$\mathrm{List}\:\mathrm{the}\:\mathrm{elements}\:\mathrm{in}\: \\ $$$${C}=\left\{{x}:{x}\:\mathrm{is}\:\mathrm{an}\:{x}^{\mathrm{2}} \leqslant\mathrm{4},\:\mathrm{integer}\right\} \\ $$ Commented by Rasheed.Sindhi last updated on 20/May/20 $${C}=\left\{−\mathrm{2},−\mathrm{1},\mathrm{0},\mathrm{1},\mathrm{2}\right\} \\ $$…
Question Number 94601 by I want to learn more last updated on 19/May/20 Answered by Rasheed.Sindhi last updated on 20/May/20 $$\alpha+\beta+\gamma=\mathrm{6}………………………\left({i}\right) \\ $$$$\alpha^{\mathrm{3}} +\beta^{\mathrm{3}} +\gamma^{\mathrm{3}}…
Question Number 29049 by NECx last updated on 03/Feb/18 $${Prove}\:{that} \\ $$$$\:\:\:\:\:{e}^{{i}\pi} +\mathrm{1}=\mathrm{0} \\ $$ Answered by Penguin last updated on 03/Feb/18 $${e}^{{i}\theta} =\mathrm{cos}\left(\theta\right)+{i}\mathrm{sin}\left(\theta\right) \\…
Question Number 160123 by mr W last updated on 24/Nov/21 $${if}\:{we}\:{write}\:{all}\:{natural}\:{numbers} \\ $$$${together}\:{like}\:{this} \\ $$$$\mathrm{1234567891011121314151617}…, \\ $$$${what}\:{is}\:{the}\:\mathrm{1000}{th}\:{digit}? \\ $$ Answered by nikif99 last updated on…
Question Number 160064 by HongKing last updated on 24/Nov/21 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{least}\:\mathrm{positive}\:\mathrm{integer}\:\:\boldsymbol{\mathrm{n}}\:\:\mathrm{for} \\ $$$$\mathrm{which}\:\:\mathrm{2}^{\boldsymbol{\mathrm{n}}} \:+\:\mathrm{5}^{\boldsymbol{\mathrm{n}}} \:-\:\boldsymbol{\mathrm{n}}\:\:\mathrm{is}\:\mathrm{a}\:\mathrm{multiple}\:\mathrm{of}\:\mathrm{1000} \\ $$ Commented by Rasheed.Sindhi last updated on 24/Nov/21 $$\mathrm{For}\:\mathrm{n}=\mathrm{1000},\:\mathrm{2}^{\boldsymbol{\mathrm{n}}} \:+\:\mathrm{5}^{\boldsymbol{\mathrm{n}}}…
Question Number 160063 by HongKing last updated on 24/Nov/21 $$\mathrm{Find}: \\ $$$$\Omega\:=\underset{\boldsymbol{\mathrm{n}}\rightarrow\infty} {\mathrm{lim}}\:\frac{\mathrm{1}}{\mathrm{n}!}\:\underset{\:\mathrm{0}} {\overset{\:\mathrm{1}} {\int}}\:\left(\left(\mathrm{1}\:-\:\mathrm{x}\right)^{\boldsymbol{\mathrm{n}}} \:+\:\mathrm{cos}\boldsymbol{\mathrm{nx}}\right)\mathrm{e}^{\boldsymbol{\mathrm{x}}} \:\mathrm{dx} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 160062 by HongKing last updated on 24/Nov/21 $$\mathrm{Find}: \\ $$$$\Omega\:=\underset{\boldsymbol{\mathrm{n}}=\mathrm{1}} {\overset{\infty} {\prod}}\left(\frac{\mathrm{n}^{\frac{\mathrm{1}}{\boldsymbol{\mathrm{n}}+\mathrm{1}}} }{\mathrm{2}}\right)\:=\:? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com