Question

Спростити вираз 6 / √6+√3

Answer 1

6/(√6+√3)=6*(√6-√3)/((√6+√3)(√6-√3))=6*(√6+√3)/((√6)²-(√3)²=
=6*(√6-√3)/(6-3)=6*(√6-√3)/3=2*(√6-√3).