Category: Arithmetic

Question Number 102638 by bemath last updated on 10/Jul/20 $$toMrW$$$$iforgottheformulatofind$$$$theareaofatriangleby$$$$usingthethreeheightline$$ Commented by Ar Brandon last updated on…

Question Number 102491 by pticantor last updated on 09/Jul/20 $$$$$$\mathit{L}e\mathit{t}\mathit{s}\mathit{p}\in \mathbb{N}\mathit{a}\mathit{n}\mathit{d}\mathit{n}\in {\mathbb{N}}^{\ast }$$$${\mathit{A}}_n=2^{\mathit{n}}+\mathit{p}\mathit{a}\mathit{n}\mathit{d}{\mathit{d}}_{\mathit{n}}=\mathit{P}GCD({\mathit{A}}_n,{\mathit{A}}_{\mathit{n}+1})$$$$1)\mathit{s}\mathit{h}\mathit{o}\mathit{w}\mathit{t}\mathit{h}\mathit{a}\mathit{t}{\mathit{d}}_{\mathit{n}}/2^{\mathit{n}}$$$$\left.\mathrm{2}\right)\boldsymbol{{determine}}\:\boldsymbol{{the}}\:\boldsymbol{{parity}}\:{of}\:\boldsymbol{{A}}_{{n}} \:{as}\:{a}\:{function}\:{of}\:{that}\:\boldsymbol{{of}}\:\boldsymbol{{p}}…

Question Number 167974 by peter frank last updated on 30/Mar/22 Answered by peter frank last updated on 30/Mar/22 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 167898 by peter frank last updated on 28/Mar/22 Answered by som(math1967) last updated on 29/Mar/22 $$y=mx$$$$x^2+y^2-2ax=0$$$${or}\:\:{x}^{\mathrm{2}} +{m}^{\mathrm{2}}…

Question Number 167776 by peter frank last updated on 24/Mar/22 Answered by MikeH last updated on 24/Mar/22 $${ax}^2+bx+c=a(x^2+\frac{b}{a}x+\frac{c}{a})$$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\:{a}\left[\left({x}+\frac{{b}}{\mathrm{2}{a}}\right)^{\mathrm{2}} −\frac{{b}^{\mathrm{2}} }{\mathrm{4}{a}^{\mathrm{2}} }+\frac{{c}}{{a}}\right]…