Question Number 197740 by cortano12 last updated on 27/Sep/23 Answered by mr W last updated on 27/Sep/23 $$\underset{{n}\rightarrow\infty} {\mathrm{lim}}\underset{{k}=\mathrm{1}} {\overset{{n}} {\sum}}\frac{{k}\sqrt{{k}}}{{n}} \\ $$$$=\underset{{n}\rightarrow\infty} {\mathrm{lim}}\frac{{n}\sqrt{{n}}}{{n}}\underset{{k}=\mathrm{1}} {\overset{{n}}…
Question Number 197752 by cortano12 last updated on 27/Sep/23 $$\:\mathrm{find}\:\mathrm{minimum}\:\mathrm{value}\:\mathrm{of}\:\mathrm{m} \\ $$$$\:\mathrm{such}\:\mathrm{that}\:\mathrm{m}^{\mathrm{19}} =\:\mathrm{1800}\:\left(\mathrm{mod}\:\mathrm{2029}\right) \\ $$ Answered by AST last updated on 27/Sep/23 $${m}^{\mathrm{2028}} =\left({m}^{\mathrm{19}} \right)^{\mathrm{107}}…
Question Number 197753 by tri26112004 last updated on 27/Sep/23 $${Solve}\:{the}\:{equation}: \\ $$$$\sqrt{\mathrm{5}{x}^{\mathrm{2}} +\mathrm{14}{x}+\mathrm{9}}−\sqrt{{x}^{\mathrm{2}} −{x}−\mathrm{20}}=\mathrm{5}\sqrt{{x}+\mathrm{1}} \\ $$ Answered by Frix last updated on 27/Sep/23 $$\mathrm{Squaring},\:\mathrm{transforming},\:\mathrm{solving},\:\mathrm{testing} \\…
Question Number 197717 by a.lgnaoui last updated on 27/Sep/23 $$\measuredangle\boldsymbol{\mathrm{A}}=\mathrm{62}\:\:\:\measuredangle\boldsymbol{\mathrm{C}}=\mathrm{43} \\ $$$$\boldsymbol{\mathrm{Determiner}}:\:\:\mathrm{a}=\measuredangle\boldsymbol{\mathrm{B}}\:\:\:\:\mathrm{c}=\measuredangle\boldsymbol{\mathrm{D}}\:\:\:\:\:\mathrm{b}=\measuredangle\boldsymbol{\mathrm{F}} \\ $$ Commented by a.lgnaoui last updated on 27/Sep/23 $$\measuredangle{EDF}=\mathrm{62}\:? \\ $$ Commented…
Question Number 197734 by pticantor last updated on 27/Sep/23 $$\boldsymbol{{c}}{alcul}\:\int\left(\boldsymbol{{lnx}}\right)^{\sqrt{\boldsymbol{{x}}}} \boldsymbol{{dx}} \\ $$$$\boldsymbol{{help}}\:\:\boldsymbol{{pls}} \\ $$ Answered by Frix last updated on 27/Sep/23 $$\mathrm{Impossible}. \\ $$…
Question Number 197719 by a.lgnaoui last updated on 27/Sep/23 $$\mathrm{Determiner}\:\:\:\:\boldsymbol{\mathrm{x}} \\ $$ Commented by a.lgnaoui last updated on 27/Sep/23 Commented by som(math1967) last updated on…
Question Number 197744 by mathlove last updated on 27/Sep/23 $$\mathrm{2}\int_{\mathrm{0}} ^{\mathrm{1}} {tan}^{−\mathrm{1}} {x}\:{dx}=? \\ $$ Answered by witcher3 last updated on 27/Sep/23 $$\int\mathrm{2tan}^{−\mathrm{1}} \left(\mathrm{x}\right)\mathrm{dx}=\mathrm{2xtan}^{−\mathrm{1}} \left(\mathrm{x}\right)−\int\frac{\mathrm{2x}}{\mathrm{1}+\mathrm{x}^{\mathrm{2}}…
Question Number 197730 by ajfour last updated on 27/Sep/23 Commented by ajfour last updated on 27/Sep/23 $${Determine}\:{r}\:{in}\:{terms}\:{of}\:{a},{b}. \\ $$ Commented by ajfour last updated on…
Question Number 197716 by josemate19 last updated on 26/Sep/23 $${sen}\left({x}\right){y}^{''} +{cos}\left({x}\right){y}'+\mathrm{3}{x}^{\mathrm{3}} {y}={tan}\left(\sqrt{{x}}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 197680 by mr W last updated on 26/Sep/23 Commented by mr W last updated on 26/Sep/23 $${unsolved}\:{old}\:{question}\:{Q}#\mathrm{197245} \\ $$ Answered by mr W…