Question Number 183893 by Sulaymon last updated on 31/Dec/22 Commented by pablo1234523 last updated on 31/Dec/22 $${also}\:{from}\:{the}\:{graph}\:{it}\:{seems}\:{like}\:{a}>{b} \\ $$$${but}\:{none}\:{of}\:{the}\:{option}\:{satisfies}\:{it} \\ $$ Commented by mr W…
Question Number 52731 by ajfour last updated on 12/Jan/19 Commented by MJS last updated on 12/Jan/19 $$\mathrm{for}\:{b}={a}\:\left(\mathrm{circle}\right)\:\mathrm{the}\:\mathrm{equilateral}\:\mathrm{triangle}\:\mathrm{is} \\ $$$$\mathrm{the}\:\mathrm{one}\:\mathrm{with}\:\mathrm{minimum}\:\mathrm{perimeter}. \\ $$$$\mathrm{we}\:\mathrm{can}\:\mathrm{draw}\:\mathrm{an}\:\mathrm{equilateral}\:\mathrm{triangle}\:\mathrm{for}\:\mathrm{a} \\ $$$$\mathrm{circle}\:\mathrm{with}\:{r}={a}\:\mathrm{and}\:\mathrm{then}\:\mathrm{compress}\:\mathrm{with} \\ $$$$\mathrm{the}\:\mathrm{factor}\:\frac{{a}}{{b}}\:\left[{P}=\begin{pmatrix}{{x}}\\{{y}}\end{pmatrix}\:\rightarrow\:{P}'=\begin{pmatrix}{{x}}\\{\frac{{b}}{{a}}{y}}\end{pmatrix}\right]…
Question Number 183803 by Ar Brandon last updated on 30/Dec/22 Answered by mr W last updated on 30/Dec/22 Commented by mr W last updated on…
Question Number 52627 by ajfour last updated on 10/Jan/19 Commented by ajfour last updated on 10/Jan/19 $${Find}\:{radius}\:{of}\:{such}\:{a}\:{circle}. \\ $$ Answered by mr W last updated…
Question Number 183631 by a.lgnaoui last updated on 27/Dec/22 $${determiner}\:\:\:\boldsymbol{{r}}? \\ $$$${AB}=\mathrm{6}\:\:\:\:\:{AE}=\mathrm{5} \\ $$ Commented by a.lgnaoui last updated on 27/Dec/22 Answered by mr W…
Question Number 52558 by ajfour last updated on 09/Jan/19 Commented by ajfour last updated on 10/Jan/19 $${eq}.\:{of}\:{parabola}\:{be}\:{y}=\:\frac{{x}^{\mathrm{2}} }{{a}}\:\:{and} \\ $$$${eq}.\:{of}\:{line}\:\:{be}\:{y}=\:{mx}\:\:\:\left({m}=\mathrm{tan}\:\phi\right), \\ $$$${if}\:{both}\:{circles}\:{touch}\:{the}\:{line}\:{at}\:{a} \\ $$$${same}\:{point}\:{and}\:{circle}\:{in}\:{red}\:{has} \\…
Question Number 52487 by ajfour last updated on 08/Jan/19 Commented by ajfour last updated on 08/Jan/19 $${Find}\:\boldsymbol{\alpha}_{{max}} \:{and}\:\boldsymbol{\alpha}_{{min}} \:\:{in}\:{terms}\:{of}\:{p},{q},{a},{b}. \\ $$ Commented by mr W…
Question Number 183426 by a.lgnaoui last updated on 25/Dec/22 $${surface}\:{de}\:{la}\:{partie}\:{bleu} \\ $$$${du}\:{graphe}? \\ $$ Commented by a.lgnaoui last updated on 25/Dec/22 Commented by cherokeesay last…
Question Number 183324 by Acem last updated on 25/Dec/22 $${Find}\:{the}\:{minimum}\:{distance}\:{between}\:{C}_{{f}} \:,\:{C}_{{g}} \\ $$$$\:;\:{C}_{{f}} \::\:{y}^{\mathrm{2}} =\:\mathrm{4}{ax}\:,\:{C}_{{g}} :\:{x}^{\mathrm{2}} +\:{y}^{\mathrm{2}} −\mathrm{24}{ay}+\:\mathrm{128}{a}^{\mathrm{2}} =\:\mathrm{0} \\ $$ Commented by Acem last…
Question Number 183307 by ajfour last updated on 24/Dec/22 Commented by ajfour last updated on 24/Dec/22 $${Find}\:{minimum}\:{length}\:{from}\:{one} \\ $$$${parabola}\:{to}\:{the}\:{other}. \\ $$ Answered by mr W…