Category: Arithmetic

Question Number 63597 by aliesam last updated on 05/Jul/19 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 128907 by bramlexs22 last updated on 11/Jan/21 $$\mathrm{Given}{\mathrm{U}}_{\mathrm{n}}=\{\begin{array}{l}2\mathrm{n}+1;\mathrm{n}\mathrm{even}\\ 3\mathrm{n}+3;\mathrm{n}\mathrm{odd}\end{array}$$$$\mathrm{The}\mathrm{value}\mathrm{of}{\mathrm{U}}_3+{\mathrm{U}}_6+{\mathrm{U}}_7+{\mathrm{U}}_{10}+{\mathrm{U}}_{11}+$$$${\mathrm{U}}_{14}+\dots +{\mathrm{U}}_{27}+{\mathrm{U}}_{28}=?$$…

Question Number 63225 by aliesam last updated on 01/Jul/19 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 128462 by Ari last updated on 07/Jan/21 $$\mathrm{coukd}\mathrm{you}\mathrm{prove}\mathrm{please}\mathrm{that}\sqrt{11}\mathrm{is}\mathrm{not}\mathrm{racional}\mathrm{number}$$ Answered by Dwaipayan Shikari last updated on 07/Jan/21 $$\sqrt{11}=3+\sqrt{11}-3=3+\frac{2}{\sqrt{11}+3}=3+\frac{2}{3+3+\frac{2}{3+3+\frac{2}{3+3+\frac{2}{3+3\dots }}}}$$$$=3+\frac{2}{6+\frac{2}{6+\frac{2}{6+\frac{2}{6+\frac{2}{6+\dots }}}}}$$$${It}\:{is}\:{an}\:{Infinte}\:{continued}\:{fraction}\:.{So}\:{it}\:{can}\:{never}\:{be}\:{Rational}…

Question Number 62782 by aliesam last updated on 25/Jun/19 Terms of Service Privacy Policy Contact: info@tinkutara.com