👤

aduceti la forma cea mai simpla expresia: (√3-1)totu la adoua -2(√3=2,(5))+4|1-√3|

Răspuns :

(√3-1)totu la adoua -2(√3+2,(5))+4|1-√3|
[tex](\sqrt3-1)^2-2(\sqrt3+2.(5))+4|1-\sqrt3|=\\ 3-2\sqrt3+1-2\sqrt3-5.(1)+4(\sqrt3-1)=\\ 3-2\sqrt3+1-2\sqrt3-5.(1)+4\sqrt3-4=\\ (3+1-4)-(2\sqrt3-2\sqrt3+4\sqrt3)-5.(1)=-5.(1) [/tex]