Question Number 172214 by Shrinava last updated on 24/Jun/22 $$\mathrm{If}\:\:\mathrm{in}\:\:\bigtriangleup\mathrm{ABC}\:,\:\mathrm{m}\left(\sphericalangle\mathrm{BAC}\right)>\mathrm{90}°\:\:\mathrm{then}: \\ $$$$\mathrm{cosA}\:+\:\mathrm{cosB}\:\mathrm{cosC}\:=\:\frac{\mathrm{F}}{\mathrm{aR}} \\ $$ Commented by mr W last updated on 24/Jun/22 $${please}\:{check}!\:{maybe}\:{you}\:{meant} \\ $$$$\mathrm{cosA}\:+\:\mathrm{cosB}\:\mathrm{cosC}\:=\:\frac{{aR}}{{F}}…
Question Number 106659 by Ar Brandon last updated on 06/Aug/20 $$\mathrm{How}\:\mathrm{many}\:\mathrm{terms}\:\mathrm{has}\:\mathrm{the}\:\mathrm{polynomial}; \\ $$$$\left(\mathrm{X}_{\mathrm{1}} +\mathrm{2X}_{\mathrm{2}} −\mathrm{X}_{\mathrm{3}} +\mathrm{34}\right)^{\mathrm{10}} \:? \\ $$ Answered by bobhans last updated on…
Question Number 106655 by Algoritm last updated on 06/Aug/20 Commented by prakash jain last updated on 06/Aug/20 $${x}_{\mathrm{1}} ={kx}_{\mathrm{2}} \\ $$$${k}^{\mathrm{9}} =−\mathrm{1}\Rightarrow{k}=−\mathrm{1}\left({e}^{{i}\mathrm{2}\pi{m}/\mathrm{9}} \right)\:\:\left({m}=\mathrm{0}..\mathrm{8}\right)\:\left({I}\right) \\ $$$${k}^{\mathrm{15}}…
Question Number 172184 by Mikenice last updated on 23/Jun/22 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 172186 by Mikenice last updated on 23/Jun/22 Commented by kaivan.ahmadi last updated on 24/Jun/22 $${A}={x}^{{x}^{{x}^{….} } } \\ $$$${li}\underset{{x}\rightarrow\mathrm{1}} {{m}}\frac{{lnxA}}{{x}^{\mathrm{2}} −\mathrm{1}}\:\:\:\overset{{Hop}} {=}\:\:\:{li}\underset{{x}\rightarrow\mathrm{1}} {{m}}\:\frac{\frac{\mathrm{1}}{{x}}{A}+{lnx}.{A}'}{\mathrm{2}{x}}=…
Question Number 172182 by Mikenice last updated on 23/Jun/22 $${solve} \\ $$$$\mathrm{6}^{{x}} +\mathrm{6}^{{y}} =\mathrm{42} \\ $$$${x}+{y}=\mathrm{3} \\ $$ Answered by mr W last updated on…
Question Number 172176 by Mikenice last updated on 23/Jun/22 $${solve}: \\ $$$$\mathrm{2}^{{n}} +{n}=\mathrm{4} \\ $$ Answered by mr W last updated on 24/Jun/22 $$\mathrm{16}×\mathrm{2}^{{n}−\mathrm{4}} =\mathrm{4}−{n}…
Question Number 41095 by Necxx last updated on 02/Aug/18 $${For}\:{all}\:{real}\:{values}\:{of}\:{x}\:{solve}\:{the} \\ $$$${inequality} \\ $$$$\:\mid\frac{\mathrm{1}−{x}^{\mathrm{3}} }{{x}^{\mathrm{6}} −\mathrm{2}{x}^{\mathrm{3}} +\mathrm{5}}\mid\leqslant\frac{\mathrm{1}}{\mathrm{4}} \\ $$ Answered by ajfour last updated on…
Question Number 41086 by byaw last updated on 01/Aug/18 $$\mathrm{A}\:\mathrm{woman}\:\mathrm{is}\:\mathrm{four}\:\mathrm{times}\:\mathrm{older}\:\mathrm{than}\: \\ $$$$\mathrm{her}\:\mathrm{daughter}.\:\mathrm{Six}\:\mathrm{years}\:\mathrm{ago}\:\mathrm{the} \\ $$$$\mathrm{product}\:\mathrm{of}\:\mathrm{their}\:\mathrm{ages}\:\mathrm{is}\:\mathrm{136}. \\ $$$$\mathrm{How}\:\mathrm{old}\:\mathrm{is}\:\mathrm{the}\:\mathrm{woman}? \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 01/Aug/18…
Question Number 172124 by Mikenice last updated on 23/Jun/22 $${if}\:{tan}\theta+{sec}\theta={x},\:{show}\:{that}\: \\ $$$${sin}\theta=\frac{{x}^{\mathrm{2}} −\mathrm{1}}{{x}^{\mathrm{2}} +\mathrm{1}} \\ $$ Commented by infinityaction last updated on 23/Jun/22 $$\:\:\:\:\:\:\:\frac{\left(\mathrm{1}+\mathrm{sin}\theta\right)^{\mathrm{2}} }{\mathrm{cos}^{\mathrm{2}}…