Question Number 88860 by M±th+et£s last updated on 13/Apr/20 Commented by M±th+et£s last updated on 13/Apr/20 $${find}\:{the}\:{blue}\:{area}\: \\ $$ Commented by mahdi last updated on…
Question Number 88756 by mathocean1 last updated on 12/Apr/20 $$\mathrm{E}\:\mathrm{is}\:\mathrm{reported}\:\mathrm{in}\:\left(\overset{\rightarrow} {\mathrm{i}};\overset{\rightarrow} {\mathrm{j}}\right)\:\mathrm{base}. \\ $$$$\overset{\rightarrow} {\mathrm{e}}_{\mathrm{1}} =\mathrm{2}\overset{\rightarrow} {\mathrm{i}}+\mathrm{3}\overset{\rightarrow} {\mathrm{j}}\:;\:\:\:\overset{\rightarrow} {\mathrm{e}}_{\mathrm{2}} =\overset{\rightarrow} {\mathrm{i}}−\mathrm{2}\overset{\rightarrow} {\mathrm{j}}\:\mathrm{and}\:\:\:\overset{\rightarrow} {\mathrm{e}}_{\mathrm{3}} =\mathrm{4}\overset{\rightarrow} {\mathrm{i}}−\mathrm{5}\overset{\rightarrow}…
Question Number 88214 by M±th+et£s last updated on 09/Apr/20 Answered by ajfour last updated on 09/Apr/20 $${AB}={t}\:\:,\:\:{radius}={r}\:,\:{AD}={DC}={b} \\ $$$${upper}\:{section}\:{of}\:{OB}={c} \\ $$$${t}^{\mathrm{2}} =\mathrm{2}{b}^{\mathrm{2}} \:\:\:;\:\:\:\mathrm{tan}\:\alpha=\frac{{r}}{{t}+{r}} \\ $$$$\frac{\sqrt{{r}^{\mathrm{2}}…
Question Number 87759 by M±th+et£s last updated on 06/Apr/20 Commented by mr W last updated on 06/Apr/20 $$\Delta{DEC}\sim\Delta{ECF}\sim\Delta{PFE} \\ $$$$\frac{{r}_{{z}} }{{EF}}=\frac{{r}_{{y}} }{{FC}}=\frac{{r}_{{x}} }{{CE}}={k},\:{say} \\ $$$$\Rightarrow{CE}=\frac{{r}_{{x}}…
Question Number 87682 by john santu last updated on 05/Apr/20 $$\mathrm{what}\:\mathrm{is}\:\bigtriangledown^{\mathrm{2}} \left(\frac{\mathrm{1}}{\overset{\rightarrow} {\mathrm{r}}}\right)\:\mathrm{if}\: \\ $$$$\overset{\rightarrow} {\bigtriangledown}\:=\:\hat {\mathrm{i}}\:\frac{\partial}{\partial\mathrm{x}}+\hat {\mathrm{j}}\frac{\partial}{\partial\mathrm{y}}+\hat {\mathrm{k}}\:\frac{\partial}{\partial\mathrm{z}} \\ $$$$\mathrm{and}\:\overset{\rightarrow} {\mathrm{r}}\:=\:\hat {\mathrm{i}x}\:+\:\hat {\mathrm{j}y}\:+\:\hat {\mathrm{k}z}\:…
Question Number 87508 by M±th+et£s last updated on 04/Apr/20 Commented by M±th+et£s last updated on 04/Apr/20 $${ABCD}\:{is}\:{parallelogram} \\ $$$${find}\:{the}\:{area}\:{of}\:{the}\:{green}\:{triangle} \\ $$ Terms of Service Privacy…
Question Number 152588 by rexford last updated on 30/Aug/21 $$\int_{−\mathrm{1}\:} ^{\mathrm{1}} \frac{\mathrm{3}{x}+\mathrm{4}}{\mathrm{3}+\mathrm{4}{x}+\mathrm{3}{x}^{\mathrm{2}} }{dt} \\ $$$${please},{help}\:{me} \\ $$ Answered by qaz last updated on 30/Aug/21 $$\int_{−\mathrm{1}}…
Question Number 86918 by gny last updated on 01/Apr/20 Commented by jagoll last updated on 01/Apr/20 $$\mathrm{what}\:\mathrm{is}\:\mathrm{question}? \\ $$ Commented by 21042009 last updated on…
Question Number 20868 by Nayon last updated on 05/Sep/17 $$\boldsymbol{{C}}×\left(\boldsymbol{{A}}+\boldsymbol{{B}}\right)=\boldsymbol{{C}}×\boldsymbol{{A}}+\boldsymbol{{C}}×\boldsymbol{{B}}\: \\ $$$${prove}\:{it}. \\ $$ Commented by Nayon last updated on 16/Sep/17 $${mr}\:{w}\mathrm{1} \\ $$ Terms…
Question Number 20613 by ajfour last updated on 29/Aug/17 Commented by ajfour last updated on 07/Nov/19 $${Find}\:{max}/{min}\:\:{of}\:\left(\alpha+\beta+\gamma\right). \\ $$ Commented by ajfour last updated on…