 Miraflores18 
                                                15.10.2020 13:09
                                                
                                                Miraflores18 
                                                15.10.2020 13:09
                                            ![f(x)=x^2+\dfrac{8\cdot 20^2}{x}+20\\\\f'(x)=2x+\dfrac{-8\cdot 20^2}{x^2}=\dfrac{2x^3-8\cdo00t 20^2}{x^2}=\dfrac{2(x^3-1600)}{x^2}=0\\\\\\x^3-1600=0\ \ ,\ \ x=\sqrt[3]{1600}\ \ ,\ \ x=4\sqrt[3]{25}\\\\znaki\ f'(x):\ \ \ ---(4\sqrt[3]{25})+++\\\\{}\qquad \qquad \qquad \qquad \searrow \qquad \ \ \ \ \ \ \ \nearrow \\\\x_{min}=4\sqrt[3]{25}\ \ ,](/tpl/images/1347/3852/a1925.png)
![y_{min}=16\cdot 5\sqrt[3]5+\frac{3200}{4\sqrt[3]{25}}+20=\dfrac{1600+3200}{4\sqrt[3]{25}}+20=\dfrac{1200}{\sqrt[3]{25}} +20=\\\\=\dfrac{20(60+\sqrt[3]{25})}{\sqrt[3]{25}}\approx 430,39](/tpl/images/1347/3852/c9758.png)
 MrKom1 
                                                27.04.2020 22:23
                                                
                                                MrKom1 
                                                27.04.2020 22:23
                                             kapyringeorgy 
                                                27.04.2020 22:23
                                                
                                                kapyringeorgy 
                                                27.04.2020 22:23
                                             mhey3303 
                                                27.04.2020 22:22
                                                
                                                mhey3303 
                                                27.04.2020 22:22
                                             progamesnester 
                                                27.04.2020 22:22
                                                
                                                progamesnester 
                                                27.04.2020 22:22
                                             araydaribayaray 
                                                27.04.2020 22:22
                                                
                                                araydaribayaray 
                                                27.04.2020 22:22
                                             двоищник3 
                                                27.04.2020 22:22
                                                
                                                двоищник3 
                                                27.04.2020 22:22
                                             Cosb 
                                                09.08.2019 16:20
                                                
                                                Cosb 
                                                09.08.2019 16:20
                                             Ученицав 
                                                09.08.2019 16:20
                                                
                                                Ученицав 
                                                09.08.2019 16:20
                                             6aPaLlJek 
                                                09.08.2019 16:20
                                                
                                                6aPaLlJek 
                                                09.08.2019 16:20