Category: Vector

Question Number 205156 by depressiveshrek last updated on 11/Mar/24 $$\mathrm{Find}\mathrm{the}\mathrm{determinant}:$$$$\left|\begin{array}{ccccccc}5& 3& 0& 0& \dots & 0& 0\\ 2& 5& 3& 0& \dots & 0& 0\\ 0& 2& 5& 3& \dots & 0& 0\\ ⋮& ⋮& ⋮& ⋮& \ddots & ⋮& ⋮\\ 0& 0& 0& 0& \dots & 5& 3\\ 0& 0& 0& 0& \dots & 2& 5\end{array}\right|$$ Answered by pi314 last updated on 11/Mar/24 $${\mathrm{\Delta }}_n=\left|\begin{array}{c}5300\dots \dots 00\\ 2530\dots \dots 00\\ 0253\dots \dots 00\\ \dots \dots \dots \dots \dots \dots 53\\ 0000\dots \dots .25\end{array}\right|$$$$\Delta_{{n}}…

Question Number 203419 by essaad last updated on 18/Jan/24 Commented by mr W last updated on 18/Jan/24 $$questioniswrong!youcannot$$$$determine\alpha uniquely.$$ Commented by essaad…

Question Number 201526 by 281981 last updated on 08/Dec/23 Answered by AST last updated on 08/Dec/23 $$WLOG,letObetheorigin;g=\frac{a+b+c}{3}$$$$\mid o-a\mid =\mid o-b\mid =\mid o-c\mid =R$$$$\Rightarrow\left({o}−{a}\right)\left(\overset{−} {{o}}−\overset{−} {{a}}\right)={R}^{\mathrm{2}} \Rightarrow{a}\overset{−} {{a}}={R}^{\mathrm{2}}…

Question Number 201107 by behi834171 last updated on 29/Nov/23 $$twoweels,thosehavethesamematerials,$$$$withradii:{\mathit{r}}_1=4and{\mathit{r}}_2=14$$$$arestartingtomoveonasurface,with$$$$thesamevelocity,from:\mathit{x}=0to\mathit{x}=20.$$$$thesurfacehasnofriction.$$$$wichonearrivesfaster?$$$${any}\:{informations}\:{needed}? \…

Question Number 200787 by Calculusboy last updated on 23/Nov/23 Terms of Service Privacy Policy Contact: info@tinkutara.com