Category: Coordinate Geometry

Question Number 45208 by Necxx last updated on 10/Oct/18 Commented by Necxx last updated on 10/Oct/18 $${pls}\:{help}\:{with}\:\mathrm{61}\:{qnd}\:\mathrm{62} \\ $$ Terms of Service Privacy Policy Contact:…

Question Number 44988 by peter frank last updated on 07/Oct/18 $$\boldsymbol{\mathrm{A}}\:\mathrm{tangent}\:\mathrm{to}\:\mathrm{ellipse}\:\frac{\mathrm{x}^{\mathrm{2}} }{\mathrm{a}^{\mathrm{2}\:} }+\frac{\mathrm{y}^{\mathrm{2}} }{\mathrm{b}^{\mathrm{2}} }=\mathrm{1}\:\boldsymbol{\mathrm{at}}\:\boldsymbol{\mathrm{point}}\:\boldsymbol{\mathrm{p}}\:\boldsymbol{\mathrm{meets}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{minor}}\:\boldsymbol{\mathrm{axis}} \\ $$$$\boldsymbol{\mathrm{at}}\:\boldsymbol{\mathrm{L}}\:\boldsymbol{\mathrm{if}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{normal}}\:\boldsymbol{\mathrm{at}}\:\boldsymbol{\mathrm{p}}\:\boldsymbol{\mathrm{meets}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{major}}\:\boldsymbol{\mathrm{axis}}\:\boldsymbol{\mathrm{at}}\:\boldsymbol{\mathrm{m}}.\boldsymbol{\mathrm{find}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{locus}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{midpoint}}\:\boldsymbol{\mathrm{LM}} \\ $$ Answered by MrW3 last updated on…

Question Number 175901 by infinityaction last updated on 09/Sep/22 Commented by HeferH last updated on 09/Sep/22 Answered by HeferH last updated on 09/Sep/22 $$\:{R}\:=\:\frac{\mathrm{15}\:−\:\mathrm{6}\sqrt{\mathrm{6}}}{\mathrm{2}} \\…

Question Number 44801 by ajfour last updated on 04/Oct/18 Commented by ajfour last updated on 04/Oct/18 $${Equation}\:{of}\:{ellipse}:\:\:\frac{{x}^{\mathrm{2}} }{{a}^{\mathrm{2}} }+\frac{{y}^{\mathrm{2}} }{{b}^{\mathrm{2}} }=\mathrm{1}\:, \\ $$$${find}\:{radius}\:\boldsymbol{{r}}\:{of}\:{circle}. \\ $$…

Question Number 175608 by ajfour last updated on 03/Sep/22 Commented by ajfour last updated on 04/Sep/22 $${yes}\:{sir}. \\ $$ Commented by mr W last updated…