Question

Aduceti la forma cea mai simpla expresia :
(√3-1)²-2(√3+2,(5))+4I1-√3I.

Answer 1

1-√3<0
I1-√3I=-(1-√3)=√3-1
2,(5)=(25-2)/9=23/9
(√3-1)²-2(√3+2,(5))+4I1-√3I=
=3-2√3+1-2(√3+23/9)+4(√3-1)=
=3-2√3+1-2√3+46/9+4√3-4=
=46/9