Question Number 13346 by tawa tawa last updated on 19/May/17 Commented by ajfour last updated on 19/May/17 $${your}\:{previous}\:{question}\:{Q}\mathrm{13345} \\ $$$${something}\:{wrong}\:{uploading}\:{it}. \\ $$$${cannot}\:{click}\:{to}\:{answer}.. \\ $$ Commented…
Question Number 144342 by ArielVyny last updated on 25/Jun/21 $${Montrer}\:{que}\:\forall{n}\in\mathbb{Z} \\ $$$${E}\left(\frac{{n}−\mathrm{1}}{\mathrm{2}}\right)+{E}\left(\frac{{n}+\mathrm{2}}{\mathrm{4}}\right)+{E}\left(\frac{{n}+\mathrm{4}}{\mathrm{4}}\right)={n} \\ $$ Answered by Olaf_Thorendsen last updated on 24/Jun/21 $$\mathrm{Selon}\:\mathrm{moi},\:\mathrm{cette}\:\mathrm{formule}\:\mathrm{est}\:\mathrm{fausse}. \\ $$$$\mathrm{According}\:\mathrm{to}\:\mathrm{me},\:\mathrm{this}\:\mathrm{formula}\:\mathrm{is}\:\mathrm{false}. \\…
Question Number 78800 by Tony Lin last updated on 20/Jan/20 $${Simplify}: \\ $$$$\underset{\mathrm{3}} {\:}\sqrt{\mathrm{3}+\frac{\mathrm{10}}{\mathrm{3}}\sqrt{\frac{\mathrm{1}}{\mathrm{3}}}{i}}+\underset{\mathrm{3}} {\:}\sqrt{\mathrm{3}−\frac{\mathrm{10}}{\mathrm{3}}\sqrt{\frac{\mathrm{1}}{\mathrm{3}}}{i}} \\ $$ Commented by mathmax by abdo last updated on…
Question Number 144318 by mathdanisur last updated on 24/Jun/21 Answered by justtry last updated on 24/Jun/21 Commented by mathdanisur last updated on 25/Jun/21 $${alot}\:{cool}\:{thanks}\:{Sir} \\…
Question Number 13154 by tawa tawa last updated on 15/May/17 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{smallest}\:\mathrm{number}\:\mathrm{such}\:\mathrm{that}\:\mathrm{when}\:\mathrm{divided}\:\mathrm{by}\:\mathrm{18}\:\mathrm{the}\:\mathrm{remainder}\:\mathrm{is}\:\mathrm{17}, \\ $$$$\mathrm{When}\:\mathrm{divided}\:\mathrm{by}\:\mathrm{20}\:\mathrm{the}\:\mathrm{remainder}\:\mathrm{is}\:\mathrm{19}.\:\mathrm{and}\:\mathrm{when}\:\mathrm{divided}\:\mathrm{by}\:\mathrm{24}\:\mathrm{the}\:\mathrm{remainder}\: \\ $$$$\mathrm{is}\:\mathrm{23}.\: \\ $$ Answered by mrW1 last updated on 15/May/17 $${N}=\mathrm{18}{i}+\mathrm{17}=\mathrm{20}{j}+\mathrm{19}=\mathrm{24}{k}+\mathrm{23}…
Question Number 13140 by 9679374420 last updated on 15/May/17 Commented by arnabpapu550@gmail.com last updated on 09/Jun/17 $$\mathrm{continue}\:\mathrm{posting}\:\mathrm{questions}\:\mathrm{in}\:\mathrm{bengali}. \\ $$$$\mathrm{I}\:\mathrm{shall}\:\mathrm{try}\:\mathrm{to}\:\mathrm{solve}\:\mathrm{your}\:\mathrm{problems}. \\ $$ Answered by arnabpapu550@gmail.com last…
Question Number 78652 by peter frank last updated on 19/Jan/20 Answered by mr W last updated on 08/Feb/20 $${three}\:{vectors}\:{are}\:{non}−{coplanar}\:{if} \\ $$$${and}\:{only}\:{if}\:{their}\:{scalar}\:{triple}\:{product} \\ $$$${is}\:{not}\:{equal}\:\mathrm{0}. \\ $$$$…
Question Number 13075 by Joel577 last updated on 13/May/17 $${S}\left({x}\right)\:\mathrm{is}\:\mathrm{the}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{49}\:\mathrm{terms}\:\mathrm{of}\:\mathrm{AP} \\ $$$$\mathrm{The}\:\mathrm{first}\:\mathrm{term}\:\mathrm{is}\:\frac{\mathrm{1}}{\mathrm{2}}{x}^{\mathrm{3}} \:\mathrm{and}\:\mathrm{the}\:\mathrm{difference} \\ $$$$\mathrm{is}\:\left(\mathrm{7}\:−\:{x}\right) \\ $$$$\mathrm{If}\:{S}\left({x}\right)\:\mathrm{maximum},\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{10}^{\mathrm{th}} \:\mathrm{term}\:\mathrm{is}\:… \\ $$ Commented by ajfour last updated…
Question Number 65959 by ajfour last updated on 06/Aug/19 $${x}^{\mathrm{5}} +{ax}^{\mathrm{3}} +{bx}^{\mathrm{2}} +{cx}+{d}=\mathrm{0} \\ $$$$\left({x}^{\mathrm{2}} +{px}+{q}\right)\left({x}^{\mathrm{3}} +{rx}^{\mathrm{2}} +{sx}+{t}\right)=\mathrm{0} \\ $$$${then}\:{elimating}\:{r},{s},{t}\: \\ $$$$\:{pq}\left({p}^{\mathrm{2}} +{a}\right)+{d}={q}\left({b}+\mathrm{2}{pq}\right) \\ $$$$\:{q}^{\mathrm{2}}…
Question Number 65914 by Learner last updated on 05/Aug/19 $${x}^{{n}} +{y}^{{n}} ={z}^{{n}} \:\: \\ $$$${make}\:{n}\:{the}\:{subject}\:{of}\:{formula} \\ $$$$ \\ $$$${please}\:{help} \\ $$ Terms of Service Privacy…