Question Number 200717 by hardmath last updated on 22/Nov/23 $$\mathrm{2}. \\ $$$${A}\:=\:\mathrm{12}\:−\:\mathrm{2}{x} \\ $$$${B}\:=\:\mathrm{3}\:+\:\mathrm{2}{x} \\ $$$$\left({A}\centerdot{B}\right)_{\boldsymbol{{min}}} \:=\:? \\ $$ Answered by AST last updated on…
Question Number 200718 by hardmath last updated on 22/Nov/23 $$\mathrm{3}. \\ $$$$\mathrm{1}+\mathrm{3}+\mathrm{5}+\mathrm{7}+…+\left(\mathrm{2}{n}+\mathrm{1}\right)\:=\:? \\ $$ Answered by AST last updated on 22/Nov/23 $$\mathrm{2}+\mathrm{4}+..+\mathrm{2}{n}=\mathrm{2}\left(\mathrm{1}+\mathrm{2}+\mathrm{3}+…+{n}\right)={n}^{\mathrm{2}} +{n} \\ $$$$\mathrm{1}+\mathrm{2}+\mathrm{3}+…+\mathrm{2}{n}+\mathrm{1}=\left(\mathrm{2}{n}+\mathrm{1}\right)\left({n}+\mathrm{1}\right)…
Question Number 200636 by a.lgnaoui last updated on 21/Nov/23 $$\mathrm{1}−\mathrm{Determiner}\:\mathrm{la}\:\mathrm{valeur}\:\mathrm{de}\:\:\boldsymbol{\mathrm{EF}} \\ $$$$\mathrm{2}−\mathrm{Laire}\:\mathrm{du}\:\mathrm{triangle}\:\:\boldsymbol{\mathrm{ADE}} \\ $$$$ \\ $$ Commented by a.lgnaoui last updated on 21/Nov/23 Commented by…
Question Number 200632 by pascal889 last updated on 21/Nov/23 $$\boldsymbol{\mathrm{help}}\:\boldsymbol{\mathrm{me}}\:\boldsymbol{\mathrm{derived}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{formular}}\:\boldsymbol{\mathrm{of}} \\ $$$$\:\boldsymbol{\mathrm{motion}} \\ $$ Commented by mr W last updated on 21/Nov/23 $${do}\:{you}\:{really}\:{think}\:{this}\:{is}\: \\ $$$${appropriate}?\:{this}\:{is}\:{like}\:{when}\:{i}\:{ask}…
Question Number 200627 by cherokeesay last updated on 21/Nov/23 Answered by Frix last updated on 21/Nov/23 $$\mathrm{The}\:\mathrm{1}^{\mathrm{st}} \:\mathrm{equation}\:\mathrm{is}\:\mathrm{true}\:\mathrm{for}\:{y}=\frac{\mathrm{1}}{{x}} \\ $$$$\Rightarrow\:{x}=\mathrm{2}\wedge{y}=\frac{\mathrm{1}}{\mathrm{2}} \\ $$ Commented by cherokeesay…
Question Number 200684 by Spillover last updated on 21/Nov/23 $$\:\:\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\int_{−\mathrm{4}\pi} ^{\mathrm{4}\pi} \:\:\:\frac{\mid{x}\mid\:\mathrm{sin}\:^{\mathrm{2}{n}} {x}}{\mathrm{sin}\:^{\mathrm{2}{n}} {x}+\mathrm{cos}\:^{\mathrm{2}{n}} {x}}{dx} \\ $$$$ \\ $$$$ \\ $$ Answered by…
Question Number 200685 by Spillover last updated on 21/Nov/23 $$\:\:\:\:\:\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{4}}} \mathrm{ln}\:\left(\mathrm{1}+\mathrm{tan}{x}\right){dx}\: \\ $$$$ \\ $$ Answered by som(math1967) last updated on 22/Nov/23…
Question Number 200622 by sonukgindia last updated on 21/Nov/23 Answered by Rasheed.Sindhi last updated on 21/Nov/23 $$\bullet\left({a}+{b}+{c}\right)^{\mathrm{2}} =\mathrm{4}^{\mathrm{2}} =\mathrm{16} \\ $$$$\:\:\:{a}^{\mathrm{2}} +{b}^{\mathrm{2}} +{c}^{\mathrm{2}} +\mathrm{2}\left({ab}+{bc}+{ca}\right)=\mathrm{16} \\…
Question Number 200617 by sonukgindia last updated on 21/Nov/23 Answered by Frix last updated on 21/Nov/23 $${x}+{a}={y}^{\mathrm{2}} \\ $$$${y}+{a}={x}^{\mathrm{2}} \\ $$$${x}−{y}={y}^{\mathrm{2}} −{x}^{\mathrm{2}} \\ $$$${x}^{\mathrm{2}} −{y}^{\mathrm{2}}…
Question Number 200618 by sonukgindia last updated on 21/Nov/23 Commented by Frix last updated on 21/Nov/23 $$\sqrt{\mathrm{2}}−\mathrm{1} \\ $$ Answered by Rasheed.Sindhi last updated on…