Category: Vector

Question Number 88756 by mathocean1 last updated on 12/Apr/20 $$\mathrm{E}\mathrm{is}\mathrm{reported}\mathrm{in}(\overrightarrow{\mathrm{i}};\overrightarrow{\mathrm{j}})\mathrm{base}.$$$$\overset{\rightarrow} {\mathrm{e}}_{\mathrm{1}} =\mathrm{2}\overset{\rightarrow} {\mathrm{i}}+\mathrm{3}\overset{\rightarrow} {\mathrm{j}}\:;\:\:\:\overset{\rightarrow} {\mathrm{e}}_{\mathrm{2}} =\overset{\rightarrow} {\mathrm{i}}−\mathrm{2}\overset{\rightarrow} {\mathrm{j}}\:\mathrm{and}\:\:\:\overset{\rightarrow} {\mathrm{e}}_{\mathrm{3}} =\mathrm{4}\overset{\rightarrow} {\mathrm{i}}−\mathrm{5}\overset{\rightarrow}…

Question Number 87759 by M±th+et£s last updated on 06/Apr/20 Commented by mr W last updated on 06/Apr/20 $$\mathrm{\Delta }DEC\sim \mathrm{\Delta }ECF\sim \mathrm{\Delta }PFE$$$$\frac{r_z}{EF}=\frac{r_y}{FC}=\frac{r_x}{CE}=k,say$$$$\Rightarrow{CE}=\frac{{r}_{{x}}…

Question Number 87508 by M±th+et£s last updated on 04/Apr/20 Commented by M±th+et£s last updated on 04/Apr/20 $$ABCDisparallelogram$$$$findtheareaofthegreentriangle$$ Terms of Service Privacy…

Question Number 86918 by gny last updated on 01/Apr/20 Commented by jagoll last updated on 01/Apr/20 $$\mathrm{what}\mathrm{is}\mathrm{question}?$$ Commented by 21042009 last updated on…

Question Number 20613 by ajfour last updated on 29/Aug/17 Commented by ajfour last updated on 07/Nov/19 $$Findmax/minof(\alpha +\beta +\gamma ).$$ Commented by ajfour last updated on…