Question Number 90456 by Tony Lin last updated on 23/Apr/20 $${ABCD}\:{is}\:{a}\:{square}\:{with}\:{side}\:{length}=\mathrm{1} \\ $$$${E}\:{is}\:{a}\:{moving}\:{point}\:{between}\:{B\&C} \\ $$$${F}\:{is}\:{a}\:{moving}\:{point}\:{between}\:{C\&D} \\ $$$${Find}\:{the}\:{maximum}\:{radius}\:{of}\:{inscribed} \\ $$$${circle}\:{in}\:\bigtriangleup{AEF} \\ $$ Answered by mr W…
Question Number 90440 by ajfour last updated on 23/Apr/20 Commented by ajfour last updated on 23/Apr/20 $${If}\:{BC}\:{is}\:\bot\:{to}\:{CD}\:,\:{find}\:{R}/{r}. \\ $$ Commented by john santu last updated…
Question Number 24831 by Eng.Firas last updated on 27/Nov/17 $$ \\ $$$$\int_{\mathrm{1}} ^{\mathrm{2}} \int_{\mathrm{1}} ^{\mathrm{2}} {ln}\left({x}+{y}\right){dx}\:{dy} \\ $$ Answered by prakash jain last updated on…
Question Number 90362 by TawaTawa1 last updated on 23/Apr/20 Commented by jagoll last updated on 23/Apr/20 $$\mathrm{trapezium}? \\ $$ Commented by mr W last updated…
Question Number 90356 by I want to learn more last updated on 23/Apr/20 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 90347 by mr W last updated on 22/Apr/20 Commented by mr W last updated on 22/Apr/20 $${the}\:{parabola}\:{has}\:{the}\:{same}\:{shape}\:{as} \\ $$$${y}={x}^{\mathrm{2}} .\:{find}\:{it}'{s}\:{equation}\:{if}\:{it}\:{passes} \\ $$$${through}\:{O},\:{A},\:{B}\:{as}\:{shown}. \\…
Question Number 90330 by I want to learn more last updated on 22/Apr/20 Commented by mr W last updated on 23/Apr/20 $${if}\:{trapezium}:\: \\ $$$${x}+\mathrm{2}=\mathrm{8} \\…
Question Number 24778 by ajfour last updated on 25/Nov/17 $${Show}\:{that}\:{the}\:{shortest}\:{distance} \\ $$$${between}\:{two}\:{opposite}\:{edges}\:\boldsymbol{{a}},\boldsymbol{{d}}\: \\ $$$${of}\:{a}\:{tetrahedron}\:{is}\:\mathrm{6}\boldsymbol{{V}}/\boldsymbol{{ad}}\mathrm{sin}\:\boldsymbol{\theta}, \\ $$$${where}\:\theta\:{is}\:{the}\:{angle}\:{between}\:{the} \\ $$$${edges}\:{and}\:{V}\:{is}\:{the}\:{volume}\:{of}\:{the} \\ $$$${tetrahedron}. \\ $$ Commented by ajfour…
Question Number 90272 by student work last updated on 22/Apr/20 Answered by behi83417@gmail.com last updated on 22/Apr/20 $$\mathrm{AO}+\mathrm{OC}=\mathrm{8} \\ $$$$\mathrm{AO}^{\mathrm{2}} +\mathrm{OC}^{\mathrm{2}} =\mathrm{6}^{\mathrm{2}} \\ $$$$\Rightarrow\mathrm{AO}.\mathrm{OC}=\frac{\mathrm{1}}{\mathrm{2}}\left[\left(\mathrm{AO}+\mathrm{OC}\right)^{\mathrm{2}} −\left(\mathrm{AO}^{\mathrm{2}}…
Question Number 155770 by amin96 last updated on 04/Oct/21 Commented by amin96 last updated on 04/Oct/21 $$\boldsymbol{\mathrm{P}}{rove}\:{that}\:\:\:\mathrm{2}\boldsymbol{\mathrm{mn}}=\boldsymbol{\mathrm{D}}×\boldsymbol{\mathrm{d}} \\ $$ Answered by mr W last updated…