Category: Vector Calculus

Question Number 137627 by rs4089 last updated on 04/Apr/21 Answered by MrGaster last updated on 16/Feb/25 $$$$$$\mathrm{Prove}:\frac{{d}}{{dt}}\left[\overset{\rightarrow} {{u}}\frac{{d}\overset{\rightarrow} {{u}}}{{dt}}\right]=\overset{\rightarrow} {{u}}\frac{{d}^{\mathrm{2}} \overset{\rightarrow} {{u}}}{{dt}^{\mathrm{2}} }+\frac{{d}\overset{\rightarrow}…

Question Number 5809 by Apoorva last updated on 28/May/16 Commented by Apoorva last updated on 28/May/16 $$pleasesolvethislimit$$ Answered by Yozzii last updated on…

Question Number 5466 by 3 last updated on 15/May/16 $$\sqrt{8}$$ Answered by FilupSmith last updated on 15/May/16 $$\sqrt{8}=\sqrt{4\times 2}$$$$=\sqrt{4}\sqrt{2}$$$$\therefore\sqrt{\mathrm{8}}=\mathrm{2}\sqrt{\mathrm{2}} \…

Question Number 5455 by 3 last updated on 15/May/16 $$5$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 70876 by Fakhar last updated on 09/Oct/19 $$\mathrm{Prove}\mathrm{that}$$$$\mathrm{The}\mathrm{necessary}\mathrm{and}\mathrm{sufficient}\mathrm{condition}$$$$\mathrm{that}\mathrm{the}\mathrm{curve}\mathrm{be}\mathrm{plane}\left(\mathrm{curve}\right)\mathrm{is}$$$$[{\mathbf{r}}^{\prime },{\mathbf{r}}^{″},{\mathbf{r}}^{‴}]=0.$$$$\mathrm{OR}$$$$\mathrm{A}\mathrm{curve}\mathrm{is}\mathrm{plane}\mathrm{curve}\mathrm{iff}\tau =0.$$ Terms of Service…