Category: Algebra

Question Number 123108 by benjo_mathlover last updated on 23/Nov/20 Commented by benjo_mathlover last updated on 23/Nov/20 $$\frac{1}{\sqrt{2}+2}+\frac{1}{2\sqrt{3}+3\sqrt{2}}+\frac{1}{4\sqrt{5}+5\sqrt{4}}+$$$$\dots +\frac{1}{4012008\sqrt{4012009}+4012009\sqrt{4012008}}?$$ Commented by liberty last…

Question Number 123062 by pete last updated on 22/Nov/20 $${\mathrm{Erica}}^{\prime }\mathrm{s}\mathrm{age}\mathrm{is}8\mathrm{years}\mathrm{and}\mathrm{her}\mathrm{mother}\mathrm{is}42.$$$$\mathrm{In}\mathrm{how}\mathrm{many}\mathrm{years}\mathrm{time}\mathrm{will}\mathrm{the}\mathrm{mother}\mathrm{be}$$$$3\mathrm{times}\mathrm{as}\mathrm{old}\mathrm{as}\mathrm{her}\mathrm{daughter}?$$ Answered by JDamian last updated on 22/Nov/20 $$\mathrm{42}+{y}=\mathrm{3}\left(\mathrm{8}+{y}\right) \…

Question Number 123053 by Snail last updated on 22/Nov/20 $$FindallP\left(x\right)withrealcoefficientssuchthat$$$$P(x^2+x+1)dividesP(x^3-1)$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 57513 by pete last updated on 06/Apr/19 $$\mathrm{There}\mathrm{are}128\mathrm{players}\mathrm{in}\mathrm{the}\mathrm{first}\mathrm{round}$$$$\mathrm{of}\mathrm{a}\mathrm{knockout}\mathrm{competition}.\mathrm{Half}\mathrm{of}\mathrm{the}$$$$\mathrm{players}\mathrm{were}\mathrm{knocked}\mathrm{out}\mathrm{in}\mathrm{each}\mathrm{round}.$$$$\mathrm{How}\mathrm{many}\mathrm{players}\mathrm{took}\mathrm{part}\mathrm{in}\mathrm{the}$$$$\mathrm{fourth}\mathrm{round}?\mathrm{How}\mathrm{many}\mathrm{rounds}\mathrm{were}\mathrm{there}$$$$\mathrm{in}\mathrm{this}\mathrm{competion}?$$ Commented by mr…

Question Number 188572 by Shrinava last updated on 03/Mar/23 Commented by Rasheed.Sindhi last updated on 03/Mar/23 $$B=A,C={\mathrm{O}}_3$$ Commented by Shrinava last updated…