Срочно помогите!!!!упростить выражение..
13 f(x)=x³-27x f`(x)=3x²-3=39x²-1)=3(x+1)(x-1) x=-1∉[0;3] x=1∉[0;3] f(0)=0 f(1)=1-3=-2 наим f(3)=27-9=18 Ответ 3 15 a4=11,a18=47 d=(a18-a4)/(18-4)=(47-11)/14=36/14=18/7 a12=a18-6d=47-6*18/7=(329-108)/7=221/7=31 4/7 16
![\sqrt[4]{2m^4*128m^8} = \sqrt[4]{256m^{12}} =4m^3](https://tex.z-dn.net/?f=+%5Csqrt%5B4%5D%7B2m%5E4%2A128m%5E8%7D+%3D+%5Csqrt%5B4%5D%7B256m%5E%7B12%7D%7D+%3D4m%5E3 "\sqrt[4]{2m^4*128m^8} = \sqrt[4]{256m^{12}} =4m^3")