Question Number 147524 by SLVR last updated on 21/Jul/21 Commented by SLVR last updated on 21/Jul/21 $${kindly}\:{help} \\ $$ Commented by Rasheed.Sindhi last updated on…
Question Number 146824 by alcohol last updated on 16/Jul/21 Answered by Olaf_Thorendsen last updated on 16/Jul/21 $$\mathrm{1}− \\ $$$${w}\:=\:{e}^{\frac{\mathrm{2}{i}\pi}{{n}}} \\ $$$$\mathrm{Let}\:{z}_{{n}} \:=\:\mathrm{1}+{w}+{w}^{\mathrm{2}} +…{w}^{{n}−\mathrm{1}} \\ $$$${z}_{{n}}…
Question Number 145944 by alcohol last updated on 09/Jul/21 Commented by alcohol last updated on 10/Jul/21 $${no}\:{body}? \\ $$ Answered by mathmax by abdo last…
Question Number 145863 by bramlexs22 last updated on 09/Jul/21 Answered by mr W last updated on 09/Jul/21 Commented by mr W last updated on 09/Jul/21…
Question Number 79838 by ihsanasfa2@gmail.com last updated on 28/Jan/20 $$\because \\ $$ Answered by $@ty@m123 last updated on 28/Jan/20 $$\therefore \\ $$ Terms of Service…
Question Number 145104 by imjagoll last updated on 02/Jul/21 $$\:\mathrm{If}\:\frac{!\mathrm{6}}{\mathrm{x}}\:−!\mathrm{4}\:=\:!\mathrm{x}\:\mathrm{then}\:\mathrm{x}\:=? \\ $$ Answered by liberty last updated on 02/Jul/21 $$\:\Rightarrow\:\mathrm{265}−\mathrm{9}{x}\:=\:{x}.\left(!{x}\right) \\ $$$${test}\:{x}=\mathrm{5}\: \\ $$$$\Rightarrow\mathrm{265}−\mathrm{45}\:=\:\mathrm{220}\:\wedge\:\mathrm{5}.\left(!\mathrm{5}\right)=\mathrm{5}×\mathrm{44}=\mathrm{220} \\…
Question Number 79479 by jagoll last updated on 25/Jan/20 $$\mathrm{how}\:\mathrm{do}\:\mathrm{16}\:\mathrm{people}\:\mathrm{play}\:\mathrm{3}\:\mathrm{matches} \\ $$$$\mathrm{in}\:\mathrm{teams}\:\mathrm{of}\:\mathrm{4}\:\mathrm{but}\:\mathrm{must}\:\mathrm{only}\:\mathrm{be} \\ $$$$\mathrm{in}\:\mathrm{the}\:\mathrm{same}\:\mathrm{team}\:\mathrm{once}\:?\: \\ $$ Commented by mr W last updated on 25/Jan/20 $${i}\:{don}'{t}\:{understand}\:{the}\:{question}…
Question Number 79472 by jagoll last updated on 25/Jan/20 $$\mathrm{what}\:\mathrm{the}\:\mathrm{minimum}\:\mathrm{value}\:\mathrm{of} \\ $$$$\mathrm{f}\left(\mathrm{x}\right)=\sqrt{\mathrm{x}^{\mathrm{2}} +\mathrm{2x}+\mathrm{5}}\:+\sqrt{\mathrm{x}^{\mathrm{2}} −\mathrm{14x}+\mathrm{65}} \\ $$ Commented by john santu last updated on 25/Jan/20 $${yes}\:{sir}.\:{haha}\:{this}\:{method}\:{not}\:…
Question Number 13508 by tawa tawa last updated on 20/May/17 $$\mathrm{5}!!\:=\:? \\ $$$$\mathrm{please}\:\mathrm{workings},\:\mathrm{how}\:\mathrm{is}\:\mathrm{the}\:\mathrm{answer}\:\mathrm{15} \\ $$ Answered by mrW1 last updated on 20/May/17 $${n}!!={n}×\left({n}−\mathrm{2}\right)×\left({n}−\mathrm{4}\right)×…×\mathrm{2}\:\:{or}\:\:×\mathrm{1} \\ $$$$…
Question Number 78799 by Pratah last updated on 20/Jan/20 Commented by mathmax by abdo last updated on 20/Jan/20 $${convergence}?\:\:\:{let}\:{f}\left({x}\right)=\frac{{ln}\left({x}\right)}{{x}^{\frac{\mathrm{5}}{\mathrm{4}}} }\:\:\:{with}\:{x}\geqslant\mathrm{2}\:\:{we}\:{have} \\ $$$${f}^{'} \left({x}\right)=\frac{\frac{\mathrm{1}}{{x}}{x}^{\frac{\mathrm{5}}{\mathrm{4}}} −\frac{\mathrm{5}}{\mathrm{4}}{x}^{\frac{\mathrm{5}}{\mathrm{4}}−\mathrm{1}} {lnx}}{{x}^{\frac{\mathrm{5}}{\mathrm{2}}}…