Question Number 63618 by kaivan.ahmadi last updated on 06/Jul/19 Commented by kaivan.ahmadi last updated on 06/Jul/19 $${i}\:{dont}\:{think}\: \\ $$$${if}\:{F}'{P}−{FP}=\mathrm{0}<{a}\:{then}\:{P}\:{is}\:{not}\:{inside} \\ $$ Commented by kaivan.ahmadi last…
Question Number 63336 by ajfour last updated on 02/Jul/19 Commented by ajfour last updated on 02/Jul/19 $${Find}\:{the}\:{equation}\:{of}\:{the}\:{parabola} \\ $$$${in}\:{the}\:{form}:\:\:\:{y}={Ax}^{\mathrm{2}} +{C}\:. \\ $$ Answered by mr…
Question Number 63256 by ajfour last updated on 01/Jul/19 Commented by ajfour last updated on 01/Jul/19 $${Find}\:{r}={OB},\:{such}\:{that}\:\bigtriangleup{ABC} \\ $$$${has}\:{maximum}\:{area}. \\ $$ Commented by ajfour last…
Question Number 63218 by ajfour last updated on 30/Jun/19 $${Q}.\mathrm{63108}\:\:\:\left({A}\:{check}\right) \\ $$$${eq}.\:{of}\:{ellipse} \\ $$$$\frac{{x}^{\mathrm{2}} }{\mathrm{4}}+{y}^{\mathrm{2}} =\mathrm{1} \\ $$$${Inscribed}\:{equilateral}\:\bigtriangleup{ABC} \\ $$$${of}\:{side}\:\boldsymbol{{s}}=\frac{\mathrm{16}\sqrt{\mathrm{6}}}{\:\sqrt{\mathrm{365}}} \\ $$$${Do}\:{these}\:{points}\:{satisfy}\:{for} \\ $$$${A},\:{B},\:{C}\:? \\…
Question Number 63178 by ajfour last updated on 30/Jun/19 Commented by Prithwish sen last updated on 30/Jun/19 $$\mathrm{Sir},\:\mathrm{whether}\:\mathrm{the}\:\mathrm{answer}\:\mathrm{is}\:\left[\left(\frac{\mathrm{a}+\mathrm{b}}{\mathrm{2}}\right),\left(\frac{\mathrm{a}+\mathrm{b}}{\mathrm{2}}\right)^{\mathrm{2}} \right]\:\mathrm{or}\:\mathrm{not}\:? \\ $$ Answered by mr W…
Question Number 128611 by malwan last updated on 08/Jan/21 $${write}\:{the}\:{equation}\:{of}\:{the}\: \\ $$$${circle}\:{which}\:{containing}\: \\ $$$${the}\:{points}\:\left(\mathrm{4},−\mathrm{3}\right),\left(\mathrm{1},−\mathrm{2}\right) \\ $$$${and}\:{center}\:{on}\:{line} \\ $$$$\mathrm{3}{x}\:+\:\mathrm{4}{y}\:=\mathrm{7} \\ $$ Answered by mr W last…
Question Number 62970 by ajfour last updated on 27/Jun/19 Commented by ajfour last updated on 28/Jun/19 $${Hope}\:{its}\:\:{correct}\:{and}\:{unique}.. \\ $$ Answered by ajfour last updated on…
Question Number 62938 by ajfour last updated on 27/Jun/19 Commented by ajfour last updated on 27/Jun/19 $${Question}\:\mathrm{62861}\:\left({revisit}\right) \\ $$ Answered by ajfour last updated on…
Question Number 62861 by ajfour last updated on 26/Jun/19 Commented by mr W last updated on 26/Jun/19 $${very}\:{hard}\:{task}\:{sir},\:{maybe}\:{not} \\ $$$${possible}\:{to}\:{solve}. \\ $$ Commented by ajfour…
Question Number 128303 by mr W last updated on 06/Jan/21 Commented by mr W last updated on 06/Jan/21 $${find}\:{side}\:{length}\:{s}\:{of}\:{the}\:{equilateral} \\ $$$${triangle}\:{ABC}\:{in}\:{terms}\:{of}\:{radii}\:{R} \\ $$$${and}\:{r}. \\ $$…