Question Number 77872 by berket last updated on 11/Jan/20 $${show}\:{that}\:{f}\left({x}\right)=\mathrm{2}{r}^{\mathrm{3}} +\mathrm{5}{x}−\mathrm{1}\:{has}\:{a}\:{zero}\:{in}\:{the}\:{interval}\:\left[\mathrm{0}.\mathrm{1}\right]. \\ $$ Commented by key of knowledge last updated on 11/Jan/20 $$\mathrm{r}^{\mathrm{3}} \:\mathrm{or}\:\mathrm{x}^{\mathrm{3}} \\…
Question Number 143410 by mathdanisur last updated on 14/Jun/21 $${if}\:\:{x};{y};{z}>\mathrm{0}\:\:{prove}\:{that}… \\ $$$$\left(\frac{{x}}{{z}}\right)^{\mathrm{2}} \boldsymbol{{e}}^{\left(\frac{{z}}{{x}}\right)^{\mathrm{2}} } +\:\left(\frac{{y}}{{x}}\right)^{\mathrm{2}} \boldsymbol{{e}}^{\left(\frac{{x}}{{y}}\right)^{\mathrm{2}} } +\:\left(\frac{{z}}{{y}}\right)^{\mathrm{2}} \:\boldsymbol{{e}}^{\left(\frac{{y}}{{z}}\right)^{\mathrm{2}} } \geqslant\:\mathrm{3}\boldsymbol{{e}} \\ $$ Commented by…
Question Number 12332 by frank ntulah last updated on 19/Apr/17 $$\mathrm{prove}\:;\:\left(\frac{\mathrm{0}}{\mathrm{0}}\right)=\mathrm{2} \\ $$ Commented by FilupS last updated on 20/Apr/17 $$\frac{\mathrm{0}}{\mathrm{0}}=\mathrm{undefined} \\ $$ Commented by…
Question Number 12331 by tawa last updated on 19/Apr/17 Answered by mrW1 last updated on 19/Apr/17 $${m}\frac{{v}^{\mathrm{2}} }{{r}}\leqslant\mu{mg} \\ $$$$\mu\geqslant\frac{{v}^{\mathrm{2}} }{{rg}}=\frac{\mathrm{5}^{\mathrm{2}} }{\mathrm{8}×\mathrm{9}.\mathrm{81}}=\mathrm{0}.\mathrm{32} \\ $$ Commented…
Question Number 12330 by malwaan last updated on 22/Apr/17 $$\mathrm{find}\:\mathrm{the}\:\mathrm{fifth}\:\mathrm{digit}\:\mathrm{from}\:\mathrm{the}\:\mathrm{end} \\ $$$$\mathrm{of}\:\mathrm{the}\:\mathrm{number} \\ $$$$\mathrm{5}^{\mathrm{5}^{\mathrm{5}^{\mathrm{4}^{\mathrm{5}} } } } \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 77864 by Pratah last updated on 11/Jan/20 Commented by Pratah last updated on 11/Jan/20 $$\mathrm{solve}\:\mathrm{the}\:\mathrm{inequality} \\ $$ Answered by key of knowledge last…
Question Number 12329 by tawa last updated on 19/Apr/17 Commented by mrW1 last updated on 19/Apr/17 $${if}\:{the}\:{rope}\:{is}\:{only}\:\mathrm{15}{m}\:{long},\:{the} \\ $$$${distance}\:{between}\:{the}\:{towers}\:{must} \\ $$$${be}\:{zero}! \\ $$ Commented by…
Question Number 12328 by Mr Chheang Chantria last updated on 19/Apr/17 $$\boldsymbol{\mathrm{if}}\:\boldsymbol{\mathrm{it}}'\boldsymbol{\mathrm{s}}\:\boldsymbol{\mathrm{correct}}\:\boldsymbol{\mathrm{solve}}\:\boldsymbol{\mathrm{plz}} \\ $$$$\underset{\boldsymbol{\mathrm{x}}\rightarrow\mathrm{0}} {\boldsymbol{\mathrm{lim}}}\frac{\boldsymbol{\mathrm{x}}^{\boldsymbol{\mathrm{x}}} −\mathrm{1}}{\boldsymbol{\mathrm{xlnx}}} \\ $$ Answered by mrW1 last updated on 19/Apr/17…
Question Number 12326 by sin (x) last updated on 19/Apr/17 $$\underset{{n}=\mathrm{1}} {\overset{{x}} {\prod}}{a}_{{n}} =\mathrm{9}^{{x}!} \\ $$$${a}_{\mathrm{4}} =? \\ $$ Answered by nume1114 last updated on…
Question Number 143399 by Ar Brandon last updated on 13/Jun/21 $$\int_{\mathrm{0}} ^{\mathrm{2}\pi} \frac{\mathrm{dx}}{\left(\mathrm{1}−\mathrm{ksinx}\right)^{\mathrm{2}} } \\ $$ Answered by Ar Brandon last updated on 13/Jun/21 $$\mathrm{I}=\int_{\mathrm{0}}…