Category: Arithmetic

Question Number 106335 by Rio Michael last updated on 04/Aug/20 Commented by Rio Michael last updated on 04/Aug/20 $$\mathrm{Question}5\mathrm{and}6\mathrm{please}$$ Terms of Service Privacy…

Question Number 40664 by Tawa1 last updated on 25/Jul/18 $$\mathrm{Factorise}:{\mathrm{x}}^{19}-{\mathrm{x}}^{17}+{\mathrm{x}}^{10}+{\mathrm{x}}^8+1$$ Answered by ajfour last updated on 26/Jul/18 $$\:=\:\left({x}^{\mathrm{10}} −{x}^{\mathrm{9}}…

Question Number 105526 by bramlex last updated on 29/Jul/20 $$\frac{1}{1+2}+\frac{1}{1+2+3}+\frac{1}{1+2+3+4}+\dots +\frac{1}{1+2+3+4+\dots +29}$$ Answered by Dwaipayan Shikari last updated on 29/Jul/20 $$$$$$$$$$\left(\mathrm{1}+\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}}+\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}+\mathrm{3}}+….+\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}+\mathrm{3}+\mathrm{4}+\mathrm{5}+..+\mathrm{29}}\right)−\mathrm{1}…

Question Number 170914 by mathlove last updated on 03/Jun/22 Commented by infinityaction last updated on 03/Jun/22 $$x=\frac{1}{{}^3\sqrt{2}-1}g.p.sum$$$$1+\frac{1}{x}={}^3\sqrt{2}$$$$\left(\mathrm{1}+\frac{\mathrm{1}}{{x}}\right)^{\mathrm{3}} \:=\:\mathrm{2} \…

Question Number 170753 by Ari last updated on 30/May/22 Terms of Service Privacy Policy Contact: info@tinkutara.com