Category: Arithmetic

Question Number 49236 by cesar.marval.larez@gmail.com last updated on 04/Dec/18 $$LetKbeafieldanda,b\in K.Show$$$$that(x-a)(x-b)ifandonlyifa=b$$ Commented by kaivan.ahmadi last updated on 05/Dec/18 $$(\mathrm{x}-\mathrm{a})(\mathrm{x}-\mathrm{b})=?$$ Commented…

Question Number 180106 by cherokeesay last updated on 07/Nov/22 $$\underset{x\to \mathrm{\infty }}{\lim }\sqrt{x^2+x}-x$$ Answered by a.lgnaoui last updated on 07/Nov/22 $$\sqrt{\mathrm{x}^{\mathrm{2}} +\mathrm{x}}\:−\mathrm{x}=\frac{\left(\sqrt{\mathrm{x}^{\mathrm{2}} +\mathrm{x}}\:−\mathrm{x}\right)\left(\sqrt{\mathrm{x}^{\mathrm{2}} +\mathrm{x}}\:+\mathrm{x}\right)}{\:\sqrt{\mathrm{x}^{\mathrm{2}}…

Question Number 49006 by peter frank last updated on 01/Dec/18 Answered by tanmay.chaudhury50@gmail.com last updated on 01/Dec/18 $$\overrightarrow{V}={iV}_x+{jV}_y=12i+8j$$$$\mid\overset{\rightarrow} {{V}}\mid=\sqrt{\left(\mathrm{12}\right)^{\mathrm{2}} +\left(\mathrm{8}\right)^{\mathrm{2}}…

Question Number 48981 by peter frank last updated on 30/Nov/18 Answered by tanmay.chaudhury50@gmail.com last updated on 01/Dec/18 $$1)\frac{dy}{dx}=y\leftarrow ordinate$$$$\frac{dy}{y}=dxso\int \frac{dy}{y}=\int dx$$$$lny=x+lnc$$$${ln}\left(\frac{{y}}{{c}}\right)={x} \…

Question Number 48966 by peter frank last updated on 30/Nov/18 Commented by tanmay.chaudhury50@gmail.com last updated on 30/Nov/18 $$purchasegoodbooksfrommarket..stopreading$$$$nonstandardbooks..$$ Commented by peter…