Category: Others

Question Number 43395 by Tawa1 last updated on 10/Sep/18 Commented by MrW3 last updated on 10/Sep/18 $$e.g.$$$$M=N=999.\stackrel{\mathrm{\_}}{9}$$ Commented by Tawa1…

Question Number 174361 by infinityaction last updated on 30/Jul/22 Commented by a.lgnaoui last updated on 31/Jul/22 $${S}=\frac{\mathrm{5}×\mathrm{3}}{\left(\mathrm{5}−\mathrm{3}\right)\left(\mathrm{5}^{\mathrm{2}} −\mathrm{3}^{\mathrm{2}} \right)}+\frac{\mathrm{5}^{\mathrm{2}} ×\mathrm{3}^{\mathrm{2}} }{\left(\mathrm{5}^{\mathrm{2}} −\mathrm{3}^{\mathrm{2}} \right)\left(\mathrm{5}^{\mathrm{3}} −\mathrm{3}^{\mathrm{3}} \right)}+\frac{\mathrm{5}^{\mathrm{3}}…

Question Number 43226 by veerendravyas1974@gmail.com last updated on 08/Sep/18 $$$$$$If(x-\frac{1}{x}=7){thenthevalueofx}^4+\frac{1}{x^4}is?$$ Answered by tanmay.chaudhury50@gmail.com last updated on 08/Sep/18 $${x}^{\mathrm{2}} +\frac{\mathrm{1}}{{x}^{\mathrm{2}}…

Question Number 174220 by Mastermind last updated on 27/Jul/22 Commented by MJS_new last updated on 27/Jul/22 $$-21$$ Commented by Mastermind last updated on…

Question Number 108571 by Dwaipayan Shikari last updated on 17/Aug/20 Answered by mr W last updated on 17/Aug/20 $$e^x=1+\underset{n=1}{\sum ^{\mathrm{\infty }}}\frac{x^n}{n!}$$$${e}=\mathrm{1}+\underset{{n}=\mathrm{1}}…