Menu Close

Category: Algebra

In-ABC-36-R-r-m-b-2-m-c-2-sin-B-sin-C-9-R-4-2-r-2-

Question Number 177698 by Shrinava last updated on 08/Oct/22 $$\mathrm{In}\:\:\bigtriangleup\mathrm{ABC} \\ $$$$\mathrm{36}\:\mathrm{R}\:\mathrm{r}\:\leqslant\:\Sigma\:\frac{\mathrm{m}_{\boldsymbol{\mathrm{b}}} ^{\mathrm{2}} \:+\:\mathrm{m}_{\boldsymbol{\mathrm{c}}} ^{\mathrm{2}} }{\mathrm{sin}\:\mathrm{B}\:\mathrm{sin}\:\mathrm{C}}\:\leqslant\:\frac{\mathrm{9}\:\mathrm{R}^{\mathrm{4}} }{\mathrm{2}\:\mathrm{r}^{\mathrm{2}} } \\ $$ Terms of Service Privacy Policy…

fog-1-3x-2-gof-x-2x-1-fof-3-

Question Number 177688 by mathlove last updated on 08/Oct/22 $${fog}^{−\mathrm{1}} =\mathrm{3}{x}+\mathrm{2} \\ $$$$\left({gof}\right)_{{x}} =\mathrm{2}{x}−\mathrm{1}\:\:\:\:\:\overset{\left.\begin{matrix}{}\\{}\end{matrix}\right\}\:\:\left({fof}\right)_{\mathrm{3}} =?} {\:} \\ $$ Commented by cortano1 last updated on 08/Oct/22…

x-1-1-lt-x-

Question Number 112097 by bemath last updated on 06/Sep/20 $$\:\:\:\:\:\:\mid\mid{x}−\mathrm{1}\mid+\mathrm{1}\mid\:<\:{x} \\ $$ Commented by mr W last updated on 06/Sep/20 $$\mid{x}−\mathrm{1}\mid+\mathrm{1}<{x} \\ $$$$\mid{x}−\mathrm{1}\mid<{x}−\mathrm{1} \\ $$$$\Rightarrow{no}\:{solution},\:{since}\:\mid{a}\mid\geqslant{a}.…

a-a-3-10-a-a-a-1-

Question Number 112087 by bobhans last updated on 06/Sep/20 $$\:\:\:\mathrm{a}\sqrt{\mathrm{a}}\:−\mathrm{3}\:=\:\mathrm{10}\sqrt{\mathrm{a}}\:\rightarrow\:\sqrt{\mathrm{a}}\:+\:\sqrt{\mathrm{a}^{−\mathrm{1}} }\:=? \\ $$ Answered by bemath last updated on 06/Sep/20 Answered by 1549442205PVT last updated…